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Adafruit Industries is an open-source hardware company. The NYC based company designs and manufactures a number of electronics products, sells a wide variety of electronics components, tools, and accessories via its online storefront, and produces a number of learning resources, including written tutorials, introductory videos for beginners, and the longest running live video electronics show on the internet. 

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Adafruit Wave Shield for Arduino Kit - v1.1
{"id":8608171976,"title":"Adafruit Wave Shield for Arduino Kit - v1.1","handle":"adafruit-wave-shield-for-arduino-kit-v1-1","description":"\u003cp\u003eAdding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduinos that solves this problem. It can play up to 22KHz 12bit uncompressed audio files of any length. It has an onboard DAC, filter and op-amp for high quality output. Audio files are read off of an SD\/MMC card, which are available at nearly any store. Volume can be controlled with the onboard thumbwheel potentiometer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArduino, SD card, tools, speaker and headphones are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe shield comes with an Arduino library for easy use; simply drag uncompressed wave files onto the SD card and plug it in. Then use the library to play audio when buttons are pressed, or when a sensor goes off, or when serial data is received, etc. Audio is played \u003cem\u003easynchronously\u003c\/em\u003eas an interrupt, so the Arduino can perform tasks while the audio is playing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e• Can play any uncompressed 22KHz 16bit (on a 12bit DAC), mono Wave (.wav) files of any size. While it isnt CD quality, it is certainly good enough to play music, have spoken word, or audio effects. \u003ca href=\"http:\/\/learn.adafruit.com\/adafruit-wave-shield-audio-shield-for-arduino\"\u003eCheck out the demo video\/audio at the webpage\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e• Files are read off of a FAT16\/FAT32-formatted SD\/MMC card\u003ca href=\"http:\/\/learn.adafruit.com\/adafruit-wave-shield-audio-shield-for-arduino\/sd-card\"\u003e \u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e• Please note that the library \u003cem\u003eis\u003c\/em\u003e rather bulky, requiring 10K of flash and more than 1\/2 K of RAM for buffering audio. It works fine using any ATmega328-based Arduino (Duemilanove, Uno or compatible).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e• This shield is not Mega or Leonardo compatible\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstyle\u003e\u003c!--\n.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }\n--\u003e\u003c\/style\u003e\n\u003cdiv class=\"embed-container\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/kYKLJoUwGKo\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","published_at":"2017-01-30T19:22:00-05:00","created_at":"2017-01-30T19:22:45-05:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Shield","Sound"],"price":2195,"price_min":2195,"price_max":2195,"available":true,"price_varies":false,"compare_at_price":2200,"compare_at_price_min":2200,"compare_at_price_max":2200,"compare_at_price_varies":false,"variants":[{"id":29778534664,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"15C-ZL7-P7P","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Wave Shield for Arduino Kit - v1.1","public_title":null,"options":["Default Title"],"price":2195,"weight":0,"compare_at_price":2200,"inventory_quantity":6,"inventory_management":"shopify","inventory_policy":"deny","barcode":"94"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/94-05.jpg?v=1486748018","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/94-07.jpg?v=1486748020","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/94-08.jpg?v=1486748021","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/94-02.jpg?v=1486748023","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/94-06.jpg?v=1486748025"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/94-05.jpg?v=1486748018","options":["Title"],"content":"\u003cp\u003eAdding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduinos that solves this problem. It can play up to 22KHz 12bit uncompressed audio files of any length. It has an onboard DAC, filter and op-amp for high quality output. Audio files are read off of an SD\/MMC card, which are available at nearly any store. Volume can be controlled with the onboard thumbwheel potentiometer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eArduino, SD card, tools, speaker and headphones are not included.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe shield comes with an Arduino library for easy use; simply drag uncompressed wave files onto the SD card and plug it in. Then use the library to play audio when buttons are pressed, or when a sensor goes off, or when serial data is received, etc. Audio is played \u003cem\u003easynchronously\u003c\/em\u003eas an interrupt, so the Arduino can perform tasks while the audio is playing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e• Can play any uncompressed 22KHz 16bit (on a 12bit DAC), mono Wave (.wav) files of any size. While it isnt CD quality, it is certainly good enough to play music, have spoken word, or audio effects. \u003ca href=\"http:\/\/learn.adafruit.com\/adafruit-wave-shield-audio-shield-for-arduino\"\u003eCheck out the demo video\/audio at the webpage\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e• Files are read off of a FAT16\/FAT32-formatted SD\/MMC card\u003ca href=\"http:\/\/learn.adafruit.com\/adafruit-wave-shield-audio-shield-for-arduino\/sd-card\"\u003e \u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e• Please note that the library \u003cem\u003eis\u003c\/em\u003e rather bulky, requiring 10K of flash and more than 1\/2 K of RAM for buffering audio. It works fine using any ATmega328-based Arduino (Duemilanove, Uno or compatible).\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e• This shield is not Mega or Leonardo compatible\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstyle\u003e\u003c!--\n.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }\n--\u003e\u003c\/style\u003e\n\u003cdiv class=\"embed-container\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/kYKLJoUwGKo\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e"}
Adafruit Wave Shield for Arduino Kit - v1.1

Adafruit Wave Shield for Arduino Kit - v1.1

$21.95

Adding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduinos that solves this problem. It can play up to 22KHz 12bit uncompressed audio files of any length. It has an onboard DAC, filter and op-amp for high quality output. Audio files are read off of an SD/MMC card, which are available at nearly any stor...


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Adafruit Audio FX Sound Board - WAV/OGG Trigger with 16MB Flash
{"id":8608170248,"title":"Adafruit Audio FX Sound Board - WAV\/OGG Trigger with 16MB Flash","handle":"adafruit-audio-fx-sound-board-wav-ogg-trigger-with-16mb-flash","description":"\u003cp\u003eA handy tool to add audio\/sound effects to your next project without needing Arduino+Shield. With this sound board, you now have the ability to make a sound play whenever you press a button.\u003c\/p\u003e\n\u003cp\u003eThe Adafruit Sound Board is the most compact and the fastest way to add audio effects to a project. And on top of it all, no Arduino or other microcontroller are required. \u003ca href=\"https:\/\/kjdelectronics.com\/products\/adafruit-audio-fx-mini-sound-board-wav-ogg-trigger-2mb-flash\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eThe 2MB Sound Board can be found here\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2017-01-30T19:22:00-05:00","created_at":"2017-01-30T19:22:41-05:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Breakout Boards","Sound"],"price":2490,"price_min":2490,"price_max":2490,"available":true,"price_varies":false,"compare_at_price":2495,"compare_at_price_min":2495,"compare_at_price_max":2495,"compare_at_price_varies":false,"variants":[{"id":29778531272,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"BT-OFXY-VM1J","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Audio FX Sound Board - WAV\/OGG Trigger with 16MB Flash","public_title":null,"options":["Default Title"],"price":2490,"weight":0,"compare_at_price":2495,"inventory_quantity":39,"inventory_management":"shopify","inventory_policy":"deny","barcode":"2220"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2220-01.jpg?v=1485980532","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2220-04.jpg?v=1485980534","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2220-05.jpg?v=1485980535","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2220-02.jpg?v=1485980538","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2220-00.jpg?v=1485980541","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2220-03.jpg?v=1485980542"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2220-01.jpg?v=1485980532","options":["Title"],"content":"\u003cp\u003eA handy tool to add audio\/sound effects to your next project without needing Arduino+Shield. With this sound board, you now have the ability to make a sound play whenever you press a button.\u003c\/p\u003e\n\u003cp\u003eThe Adafruit Sound Board is the most compact and the fastest way to add audio effects to a project. And on top of it all, no Arduino or other microcontroller are required. \u003ca href=\"https:\/\/kjdelectronics.com\/products\/adafruit-audio-fx-mini-sound-board-wav-ogg-trigger-2mb-flash\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eThe 2MB Sound Board can be found here\u003c\/a\u003e.\u003c\/p\u003e"}
Adafruit Audio FX Sound Board - WAV/OGG Trigger with 16MB Flash

Adafruit Audio FX Sound Board - WAV/OGG Trigger with 16MB Flash

$24.90

A handy tool to add audio/sound effects to your next project without needing Arduino+Shield. With this sound board, you now have the ability to make a sound play whenever you press a button. The Adafruit Sound Board is the most compact and the fastest way to add audio effects to a project. And on top of it all, no Arduino or other microcontrolle...


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Adafruit Electret Microphone Amplifier - MAX4466 with Adjustable Gain
{"id":8608172104,"title":"Adafruit Electret Microphone Amplifier - MAX4466 with Adjustable Gain","handle":"electret-microphone-amplifier-max4466-with-adjustable-gain","description":"\u003cp\u003e\u003cspan\u003eAdd an ear to your project with this well-designed electret microphone amplifier. This is a fully assembled and tested board.  For the amplification, Adafruit used the Maxim MAX4466, which is an op-amp. The amplifier has excellent power supply noise rejection, so this amplifier sound is clear and isn't nearly as noisy or scratchy as other mic amp breakouts.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis breakout is best used for projects such as voice changers, audio recording\/sampling, and audio-reactive projects that use FFT. On the back, we include a small trimmer pot to adjust the gain. You can set the gain from 25x to 125x. That's down to be about 200mVpp (for normal speaking volume about 6\" away) which is good for attaching to something that expects 'line level' input without clipping, or up to about 1Vpp, ideal for reading from a microcontroller ADC. The output is rail-to-rail so if the sounds gets loud, the output can go up to 5Vpp.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUsing it is simple: connect GND to ground, VCC to 2.4-5VDC. For the best performance, use the \"quietest\" supply available (on an Arduino, this would be the 3.3V supply). The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC\/2 so when its perfectly quiet, the voltage will be a steady VCC\/2 volts (it is DC coupled). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device. If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe output pin is not designed to drive speakers or anything but the smallest in-ear headphones - you'll need an audio amplifier if you want to connect the amp directly to your speakers.\u003c\/span\u003e\u003cspan\u003e If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2017-03-16T14:12:00-04:00","created_at":"2017-01-30T19:22:45-05:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Sensors","Sound"],"price":690,"price_min":690,"price_max":690,"available":true,"price_varies":false,"compare_at_price":695,"compare_at_price_min":695,"compare_at_price_max":695,"compare_at_price_varies":false,"variants":[{"id":29778534792,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"Y1A-MOB-MR4","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Electret Microphone Amplifier - MAX4466 with Adjustable Gain","public_title":null,"options":["Default Title"],"price":690,"weight":0,"compare_at_price":695,"inventory_quantity":18,"inventory_management":"shopify","inventory_policy":"deny","barcode":"1063"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1063-03.jpg?v=1489687386","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1063-04.jpg?v=1489687389","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1063-05.jpg?v=1489687391"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1063-03.jpg?v=1489687386","options":["Title"],"content":"\u003cp\u003e\u003cspan\u003eAdd an ear to your project with this well-designed electret microphone amplifier. This is a fully assembled and tested board.  For the amplification, Adafruit used the Maxim MAX4466, which is an op-amp. The amplifier has excellent power supply noise rejection, so this amplifier sound is clear and isn't nearly as noisy or scratchy as other mic amp breakouts.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis breakout is best used for projects such as voice changers, audio recording\/sampling, and audio-reactive projects that use FFT. On the back, we include a small trimmer pot to adjust the gain. You can set the gain from 25x to 125x. That's down to be about 200mVpp (for normal speaking volume about 6\" away) which is good for attaching to something that expects 'line level' input without clipping, or up to about 1Vpp, ideal for reading from a microcontroller ADC. The output is rail-to-rail so if the sounds gets loud, the output can go up to 5Vpp.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eUsing it is simple: connect GND to ground, VCC to 2.4-5VDC. For the best performance, use the \"quietest\" supply available (on an Arduino, this would be the 3.3V supply). The audio waveform will come out of the OUT pin. The output will have a DC bias of VCC\/2 so when its perfectly quiet, the voltage will be a steady VCC\/2 volts (it is DC coupled). If the audio equipment you're using requires AC coupled audio, place a 100uF capacitor between the output pin and the input of your device. If you're connecting to an audio amplifier that has differential inputs or includes decoupling capacitors, the 100uF cap is not required.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe output pin is not designed to drive speakers or anything but the smallest in-ear headphones - you'll need an audio amplifier if you want to connect the amp directly to your speakers.\u003c\/span\u003e\u003cspan\u003e If you're connecting to a microcontroller pin, you don't need an amplifier or decoupling capacitor - connect the OUT pin directly to the microcontroller ADC pin.\u003c\/span\u003e\u003c\/p\u003e"}
Adafruit Electret Microphone Amplifier - MAX4466 with Adjustable Gain

Adafruit Electret Microphone Amplifier - MAX4466 with Adjustable Gain

$6.90

Add an ear to your project with this well-designed electret microphone amplifier. This is a fully assembled and tested board.  For the amplification, Adafruit used the Maxim MAX4466, which is an op-amp. The amplifier has excellent power supply noise rejection, so this amplifier sound is clear and isn't nearly as noisy or scratchy as other mic am...


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Adafruit "Music Maker" MP3 Shield for Arduino w/3W Stereo Amp
{"id":8861032008,"title":"Adafruit \"Music Maker\" MP3 Shield for Arduino w\/3W Stereo Amp","handle":"adafruit-music-maker-mp3-shield-for-arduino-w-3w-stereo-amp","description":"\u003cp class=\"meta_dec_title\"\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBend all audio files to your will with the Adafruit Music Maker shield for Arduino. This powerful shield features the VS1053, an encoding\/decoding (codec) chip that can decode a wide variety of audio formats such as MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM). It can also be used to record audio in both PCM (WAV) and compressed Ogg Vorbis. You can also control your sounds with features like: adjusting the bass, treble, and volume digitally.\u003cbr\u003e\u003cbr\u003eAll this functionality is implemented in a light-weight SPI interface so that any Arduino can play audio from an SD card. There's also a special MIDI mode that you can boot the chip into that will read 'classic' 31250Kbaud MIDI data from an Arduino pin and act like a synth\/drum machine - there are dozens of built-in drum and sample effects as well. The chip does need to be solder, and needs a lot of extras. That's why we spun up the best shield, perfect for use with any Arduino \u003ca href=\"https:\/\/kjdelectronics.com\/products\/arduino-uno-r3\" target=\"_blank\"\u003eUno\u003c\/a\u003e, \u003ca href=\"https:\/\/kjdelectronics.com\/products\/arduino-leonardo-eth-without-poe\" target=\"_blank\"\u003eLeonardo\u003c\/a\u003e or \u003ca href=\"https:\/\/kjdelectronics.com\/products\/arduino-mega-2560\" target=\"_blank\"\u003eMega\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2017-03-07T22:16:00-05:00","created_at":"2017-03-06T21:01:31-05:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Shield","Sound"],"price":3490,"price_min":3490,"price_max":3490,"available":true,"price_varies":false,"compare_at_price":3495,"compare_at_price_min":3495,"compare_at_price_max":3495,"compare_at_price_varies":false,"variants":[{"id":31547912712,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"UG9-4RY-G9P","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit \"Music Maker\" MP3 Shield for Arduino w\/3W Stereo Amp","public_title":null,"options":["Default Title"],"price":3490,"weight":0,"compare_at_price":3495,"inventory_quantity":18,"inventory_management":"shopify","inventory_policy":"deny","barcode":"1788"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1788-00.jpg?v=1488901843","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1788-04.jpg?v=1488901843","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1788-02.jpg?v=1488901843","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1788-03.jpg?v=1488901843"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1788-00.jpg?v=1488901843","options":["Title"],"content":"\u003cp class=\"meta_dec_title\"\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eBend all audio files to your will with the Adafruit Music Maker shield for Arduino. This powerful shield features the VS1053, an encoding\/decoding (codec) chip that can decode a wide variety of audio formats such as MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM). It can also be used to record audio in both PCM (WAV) and compressed Ogg Vorbis. You can also control your sounds with features like: adjusting the bass, treble, and volume digitally.\u003cbr\u003e\u003cbr\u003eAll this functionality is implemented in a light-weight SPI interface so that any Arduino can play audio from an SD card. There's also a special MIDI mode that you can boot the chip into that will read 'classic' 31250Kbaud MIDI data from an Arduino pin and act like a synth\/drum machine - there are dozens of built-in drum and sample effects as well. The chip does need to be solder, and needs a lot of extras. That's why we spun up the best shield, perfect for use with any Arduino \u003ca href=\"https:\/\/kjdelectronics.com\/products\/arduino-uno-r3\" target=\"_blank\"\u003eUno\u003c\/a\u003e, \u003ca href=\"https:\/\/kjdelectronics.com\/products\/arduino-leonardo-eth-without-poe\" target=\"_blank\"\u003eLeonardo\u003c\/a\u003e or \u003ca href=\"https:\/\/kjdelectronics.com\/products\/arduino-mega-2560\" target=\"_blank\"\u003eMega\u003c\/a\u003e.\u003c\/p\u003e"}
Adafruit "Music Maker" MP3 Shield for Arduino w/3W Stereo Amp

Adafruit "Music Maker" MP3 Shield for Arduino w/3W Stereo Amp

$34.90

Description Bend all audio files to your will with the Adafruit Music Maker shield for Arduino. This powerful shield features the VS1053, an encoding/decoding (codec) chip that can decode a wide variety of audio formats such as MP3, AAC, Ogg Vorbis, WMA, MIDI, FLAC, WAV (PCM and ADPCM). It can also be used to record audio in both PCM (WAV) and c...


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Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger - 2MB Flash
{"id":8861032456,"title":"Adafruit Audio FX Mini Sound Board - WAV\/OGG Trigger - 2MB Flash","handle":"adafruit-audio-fx-mini-sound-board-wav-ogg-trigger-2mb-flash","description":"\u003cp\u003eThe Adafruit Mini Sound Board allows you to add audio\/sound effects to your next project without an Arduino+Shield. This board let you make a sound play with the press a button. it is very small and portable as well.\u003c\/p\u003e\n\u003cp\u003eThe Adafruit Mini Sound Board, the fastest way to add audio effects to a project, with a small footprint. The sound board is designed to be simple: it does not have polyphonic ability, can't play MP3's (MP3 is patented and costs $ to license, so this board uses the similar but not-patented OGG format, there's tons of free converters that will turn an MP3 into OGG), isn't reprogrammable or scriptable, and you can't have any other kind of trigger type. \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003eAdafruit designed this board specifically for people who wanted to make props, costumes, toys, and other small portable projects. \u003ca href=\"https:\/\/kjdelectronics.com\/products\/adafruit-audio-fx-sound-board-wav-ogg-trigger-with-16mb-flash\" target=\"_blank\"\u003eFor more space, the 16MB Sound Board can be found here\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","published_at":"2017-03-07T22:16:00-05:00","created_at":"2017-03-06T21:01:34-05:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Breakout Boards","Sound"],"price":1490,"price_min":1490,"price_max":1490,"available":true,"price_varies":false,"compare_at_price":1495,"compare_at_price_min":1495,"compare_at_price_max":1495,"compare_at_price_varies":false,"variants":[{"id":31547913224,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"DSY-21A-RWL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Audio FX Mini Sound Board - WAV\/OGG Trigger - 2MB Flash","public_title":null,"options":["Default Title"],"price":1490,"weight":0,"compare_at_price":1495,"inventory_quantity":56,"inventory_management":"shopify","inventory_policy":"deny","barcode":"2342"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2342-00.jpg?v=1488903545","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2342-01.jpg?v=1488903548","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2342-05.jpg?v=1488903561","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2342-02.jpg?v=1488903563"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2342-00.jpg?v=1488903545","options":["Title"],"content":"\u003cp\u003eThe Adafruit Mini Sound Board allows you to add audio\/sound effects to your next project without an Arduino+Shield. This board let you make a sound play with the press a button. it is very small and portable as well.\u003c\/p\u003e\n\u003cp\u003eThe Adafruit Mini Sound Board, the fastest way to add audio effects to a project, with a small footprint. The sound board is designed to be simple: it does not have polyphonic ability, can't play MP3's (MP3 is patented and costs $ to license, so this board uses the similar but not-patented OGG format, there's tons of free converters that will turn an MP3 into OGG), isn't reprogrammable or scriptable, and you can't have any other kind of trigger type. \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp\u003eAdafruit designed this board specifically for people who wanted to make props, costumes, toys, and other small portable projects. \u003ca href=\"https:\/\/kjdelectronics.com\/products\/adafruit-audio-fx-sound-board-wav-ogg-trigger-with-16mb-flash\" target=\"_blank\"\u003eFor more space, the 16MB Sound Board can be found here\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e"}
Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger - 2MB Flash

Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger - 2MB Flash

$14.90

The Adafruit Mini Sound Board allows you to add audio/sound effects to your next project without an Arduino+Shield. This board let you make a sound play with the press a button. it is very small and portable as well. The Adafruit Mini Sound Board, the fastest way to add audio effects to a project, with a small footprint. The sound board is desig...


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Adafruit Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302
{"id":8861031560,"title":"Adafruit Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302","handle":"adafruit-audio-ic-development-tools-adafruit-mono-2-5w-class-d-audio-amplifier-pam8302","description":"\u003cp\u003eThis super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) - making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. There's even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003eThe A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully 'differential' - if you don't have differential outputs, simply tie the Audio- pin  to ground. The output is \"Bridge Tied\" - that means the output pins connect directly to the speaker pins, no connection to ground. The output is a high frequency 250KHz square wave PWM that is then 'averaged out' by the speaker coil - the high frequencies are not heard. All the above means that you can't connect the output into another amplifier, it should drive the speakers directly.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2017-03-07T22:16:00-05:00","created_at":"2017-03-06T21:01:29-05:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Breakout Boards","Sound"],"price":390,"price_min":390,"price_max":390,"available":true,"price_varies":false,"compare_at_price":395,"compare_at_price_min":395,"compare_at_price_max":395,"compare_at_price_varies":false,"variants":[{"id":31547912264,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"79T-SM0-GWZ","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302","public_title":null,"options":["Default Title"],"price":390,"weight":0,"compare_at_price":395,"inventory_quantity":93,"inventory_management":"shopify","inventory_policy":"deny","barcode":"2130"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2130-01.jpg?v=1488904284","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2130-04.jpg?v=1488904287","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2130-00.jpg?v=1488904288","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2130-03.jpg?v=1488904291"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/2130-01.jpg?v=1488904284","options":["Title"],"content":"\u003cp\u003eThis super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) - making it perfect for portable and battery-powered projects. It has built in thermal and over-current protection but we could barely tell it got hot. There's even a volume trim pot so you can adjust the volume on the board down from the default 24dB gain. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003eThe A+ and A- inputs of the amplifier go through 1.0uF capacitors, so they are fully 'differential' - if you don't have differential outputs, simply tie the Audio- pin  to ground. The output is \"Bridge Tied\" - that means the output pins connect directly to the speaker pins, no connection to ground. The output is a high frequency 250KHz square wave PWM that is then 'averaged out' by the speaker coil - the high frequencies are not heard. All the above means that you can't connect the output into another amplifier, it should drive the speakers directly.\u003c\/span\u003e\u003c\/p\u003e"}
Adafruit Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302

Adafruit Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302

$3.90

This super small mono amplifier is surprisingly powerful - able to deliver up to 2.5 Watts into 4-8 ohm impedance speakers. Inside the miniature chip is a class D controller, able to run from 2.0V-5.5VDC. Since the amp is a class D, its very efficient (over 90% efficient when driving an 8Ω speaker at over half a Watt) - making it perfect for por...


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Adafruit Electret Microphone Amplifier - MAX9814
{"id":9995239496,"title":"Adafruit Electret Microphone Amplifier - MAX9814","handle":"adafruit-electret-microphone-amplifier-max9814","description":"\u003cp\u003e\u003cspan\u003eAdd an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, the Maxim MAX9814, a specialty chip that is designed for amplifying electret microphones in situations where the loudness of the audio isn't predictable is used.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis fancy microphone amplifier module is a step above the rest, with built in automatic gain control. The AGC in the amplifier means that nearby 'loud' sounds will be quieted so they don't overwhelm \u0026amp; 'clip' the amplifier, and even quiet, far-away sounds will be amplified. This amplifier is great for when you want to record or detect audio in a setting where levels change and you don't want to have to tweak the amplifier gain all the time.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe chip at the heart of this amp is the MAX9814\u003c\/span\u003e\u003cspan\u003e, and has a few options you can configure with the breakout. The default 'max gain' is 60dB, but can be set to 40dB or 50dB by jumpering the Gain pin to VCC or ground. You can also change the Attack\/Release ratio, from the default 1:4000 to 1:2000 or 1:500. The ouput from the amp is about 2Vpp max on a 1.25V DC bias, so it can be easily used with any Analog\/Digital converter that is up to 3.3V input. If you want to pipe it into a Line Input, just use a 1-100uF blocking capacitor in series.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2017-06-28T16:10:46-04:00","created_at":"2017-06-28T16:30:56-04:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Sensors","Sound"],"price":790,"price_min":790,"price_max":790,"available":true,"price_varies":false,"compare_at_price":795,"compare_at_price_min":795,"compare_at_price_max":795,"compare_at_price_varies":false,"variants":[{"id":39017010312,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"F7G-GL8-G6H","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Electret Microphone Amplifier - MAX9814","public_title":null,"options":["Default Title"],"price":790,"weight":0,"compare_at_price":795,"inventory_quantity":115,"inventory_management":"shopify","inventory_policy":"deny","barcode":"1713"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1713-00.jpg?v=1498681859","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1713-01.jpg?v=1498681861","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1713-02_1.jpg?v=1498681863"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1713-00.jpg?v=1498681859","options":["Title"],"content":"\u003cp\u003e\u003cspan\u003eAdd an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, the Maxim MAX9814, a specialty chip that is designed for amplifying electret microphones in situations where the loudness of the audio isn't predictable is used.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThis fancy microphone amplifier module is a step above the rest, with built in automatic gain control. The AGC in the amplifier means that nearby 'loud' sounds will be quieted so they don't overwhelm \u0026amp; 'clip' the amplifier, and even quiet, far-away sounds will be amplified. This amplifier is great for when you want to record or detect audio in a setting where levels change and you don't want to have to tweak the amplifier gain all the time.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe chip at the heart of this amp is the MAX9814\u003c\/span\u003e\u003cspan\u003e, and has a few options you can configure with the breakout. The default 'max gain' is 60dB, but can be set to 40dB or 50dB by jumpering the Gain pin to VCC or ground. You can also change the Attack\/Release ratio, from the default 1:4000 to 1:2000 or 1:500. The ouput from the amp is about 2Vpp max on a 1.25V DC bias, so it can be easily used with any Analog\/Digital converter that is up to 3.3V input. If you want to pipe it into a Line Input, just use a 1-100uF blocking capacitor in series.\u003c\/span\u003e\u003c\/p\u003e"}
Adafruit Electret Microphone Amplifier - MAX9814

Adafruit Electret Microphone Amplifier - MAX9814

$7.90

Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, the Maxim MAX9814, a specialty chip that is designed for amplifying electret microphones in situations where the loudness of the audio isn't...


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Adafruit Software Defined Radio Receiver USB Stick - RTL2832 w/R820T
{"id":10223919432,"title":"Adafruit Software Defined Radio Receiver USB Stick - RTL2832 w\/R820T","handle":"adafruit-software-defined-radio-receiver-usb-stick-rtl2832-w-r820t","description":"\u003cp\u003eIf you've ever been curious about software defined radio (SDR), this USB stick is the easiest way possible to have fun with a powerful, configurable receiver. Packed with the powerful RTL2832U and R820T tuner, it can tune into signals from 24MHz to 1850MHz. That means you can use a computer (with Windows, Mac, or Linux) to tune into: FM Radio, AM signals (but not AM radio), CW, unencrypted radio signals, POCSAG pagers, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003ePlease note!\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eDepending on your location, listening in to some radio signals may not be legal. So consider this your warning to check before 'accidentally' tuning into frequencies you are not supposed to be accessing.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2017-07-19T16:23:47-04:00","created_at":"2017-07-19T16:30:40-04:00","vendor":"kjdElectronics","type":"Adafruit","tags":["Sound","USB"],"price":2245,"price_min":2245,"price_max":2245,"available":true,"price_varies":false,"compare_at_price":2250,"compare_at_price_min":2250,"compare_at_price_max":2250,"compare_at_price_varies":false,"variants":[{"id":41142148872,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"3MI-RXR-SQB","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Software Defined Radio Receiver USB Stick - RTL2832 w\/R820T","public_title":null,"options":["Default Title"],"price":2245,"weight":0,"compare_at_price":2250,"inventory_quantity":8,"inventory_management":"shopify","inventory_policy":"deny","barcode":"1497"}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1497-04.jpg?v=1500496242","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1497-05.jpg?v=1500496244","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1497-03.jpg?v=1500496246","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1497-06.jpg?v=1500496248"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1497-04.jpg?v=1500496242","options":["Title"],"content":"\u003cp\u003eIf you've ever been curious about software defined radio (SDR), this USB stick is the easiest way possible to have fun with a powerful, configurable receiver. Packed with the powerful RTL2832U and R820T tuner, it can tune into signals from 24MHz to 1850MHz. That means you can use a computer (with Windows, Mac, or Linux) to tune into: FM Radio, AM signals (but not AM radio), CW, unencrypted radio signals, POCSAG pagers, and more.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003ePlease note!\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eDepending on your location, listening in to some radio signals may not be legal. So consider this your warning to check before 'accidentally' tuning into frequencies you are not supposed to be accessing.\u003c\/span\u003e\u003c\/p\u003e"}
Adafruit Software Defined Radio Receiver USB Stick - RTL2832 w/R820T

Adafruit Software Defined Radio Receiver USB Stick - RTL2832 w/R820T

$22.45

If you've ever been curious about software defined radio (SDR), this USB stick is the easiest way possible to have fun with a powerful, configurable receiver. Packed with the powerful RTL2832U and R820T tuner, it can tune into signals from 24MHz to 1850MHz. That means you can use a computer (with Windows, Mac, or Linux) to tune into: FM Radio, A...


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