MakerFocus Mini Nano V3.0 ATmega328P Microcontroller Board w/USB Cable
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
CH552G Development Board / Core Board 8051 USB Microcontroller CH551G / CH552G / CH554G WCH - AliExpress
PropStick USB
6.90.00 emPower USB Host Board - Segger | Mouser
Tomu: A Microcontroller For Your USB Port | Hackaday
Arduino Nano Micro-Controller with ATmega328P 16MHz 5.0V CH340G USB – Envistia Mall
$10 microcontroller with USB-C, BLE and lipo! : r/ErgoMechKeyboards
Microcontrollers with USB interface are common, but… | FTDI
Elite-Pi - USB-C Pro Micro Replacement RP2040 Controller – Keebio
Arduino Nano USB Microcontroller v3 (China) - RoboticX
YKAMELEAN24 Yepkit Microcontroller Development Board
Mini ATTINY85 MICRO Module USB Digispark Kickstarter CJMCU Microcontroller for Arduino Development Board Electronic Components - AliExpress
Ch552g Development Board / Core Board 8051 Usb Microcontroller Ch551g / Ch552g / Ch554g Wch - Demo Board - AliExpress
Amazon.com: TISEKER Mini Nano V3.0 ATmega328P Microcontroller Board with USB Cable for Arduino : Electronics
![Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/1500-13.jpg "Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits")
Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Pro Micro Microcontroller ATmega32U4 5V 16MHz - kriscables
ATmega328P CH340 USB Microcontroller Board Arduino Compatible – Envistia Mall
MTM-USBStem: USB Microcontroller Module | Acroname
CH32V003 USB Development Board by nanoDyne
Arduino DUE - An Arduino Microcontroller Board - DFRobot
