Microcontrollers with USB interface are common, but… | FTDI
ATmega32U4 8-bit MCU with USB Controller - Microchip Technology | Mouser
USB-to-MCU Interface Module – Technological Arts LLC
U-ec6 Usb Debug Adapter For C8051f Mcu Compatible With Ec3/ec5 Usb Emulator Downloader Programmer With Usb Cable Jtag Line - Instrument Parts & Accessories - AliExpress
MCU-01 USB/RS485 OPTO-ISOLATED CONVERTER -
MICROCONTROLLER to PC Communication Via PL2303 (USB TO UART TTL) Converter : 4 Steps (with Pictures) - Instructables
Wholesale Automatic MCU USB 51 From m.alibaba.com
USB iNode MCU USB microcontroller - NodeMCU ESP32 Botland - Robotic Shop
Compact 8-bit MCU boards controlled/powered through USB connection
Amazon.com: STC Full Series MCU Automatic Programmer/Cold Start Free Download/USB to TTL Fully Isolated : Electronics
Tomu: A Microcontroller For Your USB Port | Hackaday
YEUHTLL Virtual keyboard Badusb Leonardo R3 USB ATMEGA32U4 MCU USB Microcontroller - Walmart.com
/i/859791/products/2020-03-20T16%3A04%3A59.131Z-IMG_20200320_141503.jpg?1606306133 "WCH CH552T E8051 8-BIT USB MCU TSSOP-20 from Rabid's Electronics Emporium on Tindie")
WCH CH552T E8051 8-BIT USB MCU TSSOP-20 from Rabid's Electronics Emporium on Tindie
YEUHTLL Virtual keyboard Badusb Leonardo R3 USB ATMEGA32U4 MCU USB Microcontroller - Walmart.com
Amazon.com: WSDMAVIS 2 Pcs Mini MCU-Beetle USB Microcontroller ATMEGA32U4 Development Board for Arduino Leonardo : Electronics
PIC18F14K50 MicroChip USB Supported Mcu Price Microchip | JSumo
MCU Peripherals Tips Tricks for Using USB in Embedded Applications Part I | DigiKey
![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
![CH552 CH554 USB MCU Mini DEV Board [CH55x Series] – ElectroDragon](https://s5.electrodragon.com/wp-content/uploads/2018/04/CH552-CH554-Mini-Dev-Board-CH55x-Series-01-640x496.jpg "CH552 CH554 USB MCU Mini DEV Board [CH55x Series] – ElectroDragon")
CH552 CH554 USB MCU Mini DEV Board [CH55x Series] – ElectroDragon
USB MCU Workshop - Holtek
3Pcs ATTINY85 Mini Usb MCU Development Board Geekcreit for Arduino - products that work with official Arduino boards
/i/859791/products/2020-05-07T16%3A21%3A42.144Z-IMG_20200507_084450e.jpg?1606306133 "WCH CH552G E8051 8-BIT USB MCU SOIC16 from Rabid's Electronics Emporium on Tindie")
WCH CH552G E8051 8-BIT USB MCU SOIC16 from Rabid's Electronics Emporium on Tindie
![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-0b-500x344.jpg "CH559 USB MCU Mini DEV Board [CH55x Series] – ElectroDragon")