TinyPICO ESP32 Development Board with USB-C : ID 5028 : $21.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: 2pcs USB Type C Pluggable Development Board for ATtiny85 ATtiny Series Programming Editor Connector Replacement for Digispark Arduino Module : Electronics
First USB-C Arduino NANO retrofit? - YouTube
Amazon.com: KEYESTUDIO Mega Plus 2560 R3 Board for Arduino with Type-C USB Cable, 2A Output, More Powerful MCU Contoller Board : Electronics
Elite-c Controller A Pro-micro Compatible USB-C Atmega32u4 - Etsy
Usb Type-c Nano Samd21 48mhz Cortex M0 32 Bit Microcontroller Module With Spi Interface For Arduino Iot Development Smart Watch - Integrated Circuits - AliExpress