Development Board Teensy++ (AT90USB 1286 USB dev board) + header AT90USB 1286 Adafruit 731 | Conrad.com
![Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/199-05.jpg "Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits")
Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits
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TinyPICO ESP32 Development Board with USB-C : ID 5028 : $21.95 : Adafruit Industries, Unique & fun DIY electronics and kits
![CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon](https://s5.electrodragon.com/wp-content/uploads/2018/04/CH559-Mini-DEV-Board-CH55x-Series-03-768x596.jpg "CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon")
CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon
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![CH551 Mini USB MCU DEV Board [CH55x Series] - ElectroDragon](https://s5.electrodragon.com/wp-content/uploads/2018/04/CH551-Mini-DEV-Board-CH55x-Series.jpg "CH551 Mini USB MCU DEV Board [CH55x Series] - ElectroDragon")
CH551 Mini USB MCU DEV Board [CH55x Series] - ElectroDragon
![CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon](https://s5.electrodragon.com/wp-content/uploads/2018/04/CH559-Mini-DEV-Board-CH55x-Series-02-768x557.jpg "CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon")
CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon
StartUSB for PIC - USB PIC Development Board with PIC18F2550
TinyPICO ESP32 Development Board with USB-C : ID 5028 : $21.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Google Coral Dev Board_weixin_30302609的博客-CSDN博客
CH551 is a $1.80 USB Mini Development board based on the 8-bit C51 micro-controller - Electronics-Lab.com
Digispark Compatible USB Dev Board – Saskatoon TechWorks
WEMOS WIFI D1 MINI ESP8266 dev. board, USB CP2104
![Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/199-02.jpg "Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits")
Teensy (ATmega32u4 USB dev board) 2.0 [ATmega32u4] : ID 199 : $16.00 : Adafruit Industries, Unique & fun DIY electronics and kits
DEV-15801 | SparkFun Electronics Qwiic Power Delivery Board with USB-C | Distrelec Export Shop
ESP8266 USB Disk Dev Board|Parts & Accessories| - AliExpress
Amazon.com: Ftdi Dev Board, USB Android Host Chip - UMFT311EV : Electronics
Proximity Trinkey - USB APDS9960 Sensor Dev Board — Cool Components
Digispark - The tiny, Arduino enabled, usb dev board! by Erik Kettenburg — Kickstarter
![CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon](https://s5.electrodragon.com/wp-content/uploads/2018/04/CH559-USB-MCU-Mini-DEV-Board-CH55x-Series-0a.jpg "CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon")
CH559 USB MCU Mini DEV Board [CH55x Series] - ElectroDragon
WEMOS WIFI D1 MINI ESP8266 dev. board, USB CP2104
ATtiny85 USB Mini Dev Board (Digispark Compatible)
Development Board Teensy++ (AT90USB 1286 USB dev board) + header AT90USB 1286 Adafruit 731 | Conrad.com
