PL2303 USB to TTL/USB-TTL/STC Microcontroller Programmer | ElectroPeak
UCTRONICS Raspberry Pi Pico, RP2040 Microcontroller Board with Pre-Soldered Header, Power Switch Micro USB Cable
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Arduino Uno R3 USB Microcontroller - RobotShop
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Arduino Nano USB Microcontroller v3 (China) - RoboticX
MINI USB Nano V3.0 ATmega328P CH340G 5V 16M Micro-controller board for Arduino : Electronics
Pololu USB-to-Serial Adapter
Microcontroller Development tools on USB stick - Do It Easy With ScienceProg
CNC USB controller Mk3/4 (4 axis) - Planet CNC
Pololu - Micro Maestro 6-Channel USB Servo Controller (Partial Kit)
MICROCONTROLLER to PC Communication Via PL2303 (USB TO UART TTL) Converter : 4 Steps (with Pictures) - Instructables
Usb Type-c Nano Samd21 48mhz Cortex M0 32 Bit Microcontroller Module With Spi Interface For Arduino Iot Development Smart Watch - Integrated Circuits - AliExpress
Schematics of the microcontroller and the USB interface. | Download Scientific Diagram