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
Type-c / Micro Usb Ch340 Nano 3.0 Atmega328p Controller Board Compatible For Arduino Nano Ch340 Usb Driver Nano V3.0 Atmega328 - Integrated Circuits - AliExpress
USB Type C Power Delivery and Hobby Power
Arduino Nano v3 Compatible
Type-c Mini Usb Pro Micro For Arduino Atmega32u4 5v/16mhz 3.3v/8mhz Module With 2 Row Pin Header Leonardo Usb Interface Board - Integrated Circuits - AliExpress
5v Type-c Micro Usb C Ch340 Nano V3.0 Atmega328p-mu Atmega328 Development Board Auto Sensing Switching For Arduino - Instrument Parts & Accessories - AliExpress
PD Micro - A Pro Micro with USB-C Power Delivery - Electronics-Lab.com
An Arduino Pro Micro With USB-C | Hackaday
nRF52840 Bluetooth 5 USB Type-C Dongle from I-SYST on Tindie