{"product_id":"lemon-wired-microcontroller-discount-for-sloppy-solder-v0-4","title":"Lemon Wired Microcontroller (v0.4): Discount for Solder Residue","description":"\u003cp\u003eWhen soldering the flash chips onto my Lemon Microcontrollers, I left flux and solder residue near the flash chips on a few boards. You can see it in the picture.\u003c\/p\u003e\n\u003cp\u003eAll of these microcontrollers have been tested to verify all the pins and program work and will receive the same amount of support from me. The only difference is the residue.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eRead more on the \u003ca href=\"https:\/\/ryanis.cool\/cosmos\/lemon\"\u003eLemon Microcontrollers homepage\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eI took everything you could possibly want in your wired microcontroller and stuck it on a PCB to make something seriously overpowered:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAn RP2040 microcontroller with 8 MB flash memory\u003c\/li\u003e\n\u003cli\u003eFPC Connectors to connect Pumpkin Flex PCBs or TheBigSkree's fully flexible PCBs\u003c\/li\u003e\n\u003cli\u003eA VIK connector for connecting VIK-compatible trackballs and displays (or to use with my VIK breakout)\u003c\/li\u003e\n\u003cli\u003eThrough hole pads for alternatively soldering connections to your keys or accessories\u003c\/li\u003e\n\u003cli\u003eOnboard RGB LED\u003c\/li\u003e\n\u003cli\u003eLevel shifting to drive LEDs at 5V\u003c\/li\u003e\n\u003cli\u003eShift register to drive column pins, giving you 23 total I\/Os (of which 7 are output only) for connecting keys and peripherals\u003c\/li\u003e\n\u003cli\u003eSupports firmware autogen in Cosmos\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you're using the Lemon with a trackball or display that doesn't have a VIK connector, you can use the VIK breakout board I sell to add one right next to the peripheral and a 12p 0.5mm FPC cable to neatly connect to the microcontroller.\u003c\/p\u003e","brand":"Cosmos Keyboards","offers":[{"title":"Default Title","offer_id":48757469446395,"sku":"LEMON-WIRED-SLOP","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/5891\/1483\/files\/IMG_5655_3d97e085-3007-4a3b-a8b4-bef68ce78f68.jpg?v=1776579646","url":"https:\/\/cosmos-store.ryanis.cool\/products\/lemon-wired-microcontroller-discount-for-sloppy-solder-v0-4","provider":"Cosmos Keyboards","version":"1.0","type":"link"}