MTM-USBStem: USB Microcontroller Module | Acroname
Arduino Micro USB Microcontroller
Adafruit Trinket - Mini Microcontroller - 5V Logic : ID 1501 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Nano Microcontroller R3 Unsoldered (Compatible with Arduino Nano) - Type-C USB - hit.ps
PL2303 USB to TTL/USB-TTL/STC Converter Microcontroller Programmer
Teensy 3.2 USB Development Board — Arduino Online Shop
PropStick USB
Amazon.com: TISEKER Mini Nano V3.0 ATmega328P Microcontroller Board with USB Cable for Arduino : Electronics
Amazon.com: ciciglow RP2040 Microcontroller with USB A Male Port, Dual Core 264KB 2M Flash Development Kit with Rich Interfaces, Support for C, for Python Development : Electronics
Elite-Pi - USB-C Pro Micro Replacement RP2040 Controller – Keebio
Waveshare RP2040-Tiny Development Board, Raspberry Pi Microcontroller Development Board, Based On Official RP2040 Dual Core Processor, USB Port Adapter Board Optional
Arduino Nano Micro-Controller with ATmega328P 16MHz 5.0V CH340G USB – Envistia Mall
USB C Type-C Nano V3.0 ATmega328 5V 16M Microcontroller CH340G Board For Arduino | eBay
CH32V003 USB Development Board by nanoDyne
Pololu USB-to-Serial Adapter
PIC-USB-4550
CH551 is a $1.80 USB Mini Development board based on the 8-bit C51 micro-controller - Electronics-Lab.com
Sumolink Erhu RP2040 (USB-C) » 1upkeyboards
USB UART ISO Click
Ch552g Development Board / Core Board 8051 Usb Microcontroller Ch551g / Ch552g / Ch554g Wch - Demo Board - AliExpress
Arduino DUE - An Arduino Microcontroller Board - DFRobot
CH552G Development Board / Core Board 8051 USB Microcontroller CH551G / CH552G / CH554G WCH - AliExpress
