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Microcontrollers with USB interface are common, but… | FTDI | SOS electronic
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Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Pololu USB-to-Serial Adapter
Arduino UNO R3 USB Microcontroller
Ch552g Development Board / Core Board 8051 Usb Microcontroller Ch551g / Ch552g / Ch554g Wch - Demo Board - AliExpress
6.90.00 emPower USB Host Board - Segger | Mouser
Arduino Uno R3 USB Microcontroller - RobotShop
Propeller FLiP Microcontroller Module - Parallax
USB C Type-C Nano V3.0 ATmega328 5V 16M Microcontroller CH340G Board For Arduino | eBay
USB UART click - Breakout board for FT232RL chip
UCTRONICS Raspberry Pi Pico, RP2040 Microcontroller Board with Pre-Soldered Header, Power Switch Micro USB Cable
TinyPICO ESP32 Development Board with USB-C : ID 5028 : $21.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Teensy 4.0 USB Microcontroller Development Board - RobotShop
Amazon.com: Geekstory for ATMEL 51 AVR USB ISP ASP Microcontroller Programmer Downloader with Cable + 10Pin to 6Pin Adapter Board for Ender 3 or Ender 3 Pro : Electronics
ATmega328P CH340 USB Microcontroller Board Arduino Compatible – Envistia Mall
CH340 module USB to TTL CH340G upgrade download a small wire brush plate STC microcontroller board USB to serial - ASK Electronics
AAAwave Raspberry Pi Pico RP2040 Microcontroller Board 32 bit 2MB Flash | eBay
Elite-Pi - USB-C Pro Micro Replacement RP2040 Controller – Keebio
ATtiny85 Module with Micro USB - ProtoSupplies
Amazon.com: SparkFun Qwiic Pro Micro - USB-C (ATmega32U4) - Compatible with Arduino development board 5V/16MHz microcontroller AP2112 3.3V Voltage Regulator Castellated PTH pin pads Reset button Maximum 6V input : Electronics
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