{"id":9622769864,"title":"Adafruit Bi-Color (Red\/Green) 24-Bar Bargraph w\/I2C Backpack Kit","handle":"adafruit-feather-12pin-female-headers","description":"These LEDS are a \u003cspan\u003efun way to make a small linear display is to use two 12-bar Bi-color bar-graphs. However, this LED bargraph is 'multiplexed' - so to control all the 48 LEDs you need a lot of pins. There are driver chips\u003c\/span\u003e\u003cspan\u003e that can help control a bar-graph\/matrix for you but there's a lot of wiring to set up and they take up a ton of space. This backpack pairs perfectly with our bar-graphs and manages all the LED control and multiplexing.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eThe backpack uses a driver chip that does all the heavy lifting for you: It has a built in clock so it can multiplex the display. It uses constant-current drivers for ultra-bright, consistent color, 1\/16 step display dimming, all via a simple I2C interface. The backpack comes with address-selection jumpers so you can connect up to eight of these bar-graphs on a single I2C bus. You can also mix-and-match the bar-graph breakout with our other types of I2C LED backpacks.\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e","published_at":"2017-05-17T16:13:39-04:00","created_at":"2017-05-17T16:24:48-04:00","vendor":"Adafruit","type":"Adafruit","tags":["LED"],"price":990,"price_min":990,"price_max":990,"available":true,"price_varies":false,"compare_at_price":995,"compare_at_price_min":995,"compare_at_price_max":995,"compare_at_price_varies":false,"variants":[{"id":36270715912,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"K214","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"Adafruit Bi-Color (Red\/Green) 24-Bar Bargraph w\/I2C Backpack Kit","public_title":null,"options":["Default Title"],"price":990,"weight":0,"compare_at_price":995,"inventory_quantity":3,"inventory_management":"shopify","inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-01.jpg?v=1495052690","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-00.jpg?v=1495052692","\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-02.jpg?v=1495052693"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-01.jpg?v=1495052690","options":["Title"],"media":[{"alt":null,"id":438304145443,"position":1,"preview_image":{"aspect_ratio":1.333,"height":900,"width":1200,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-01.jpg?v=1495052690"},"aspect_ratio":1.333,"height":900,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-01.jpg?v=1495052690","width":1200},{"alt":null,"id":438304178211,"position":2,"preview_image":{"aspect_ratio":1.333,"height":900,"width":1200,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-00.jpg?v=1495052692"},"aspect_ratio":1.333,"height":900,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-00.jpg?v=1495052692","width":1200},{"alt":null,"id":438304210979,"position":3,"preview_image":{"aspect_ratio":1.333,"height":900,"width":1200,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-02.jpg?v=1495052693"},"aspect_ratio":1.333,"height":900,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1749\/9663\/products\/1721-02.jpg?v=1495052693","width":1200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"These LEDS are a \u003cspan\u003efun way to make a small linear display is to use two 12-bar Bi-color bar-graphs. However, this LED bargraph is 'multiplexed' - so to control all the 48 LEDs you need a lot of pins. There are driver chips\u003c\/span\u003e\u003cspan\u003e that can help control a bar-graph\/matrix for you but there's a lot of wiring to set up and they take up a ton of space. This backpack pairs perfectly with our bar-graphs and manages all the LED control and multiplexing.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan\u003eThe backpack uses a driver chip that does all the heavy lifting for you: It has a built in clock so it can multiplex the display. It uses constant-current drivers for ultra-bright, consistent color, 1\/16 step display dimming, all via a simple I2C interface. The backpack comes with address-selection jumpers so you can connect up to eight of these bar-graphs on a single I2C bus. You can also mix-and-match the bar-graph breakout with our other types of I2C LED backpacks.\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e"}