Massduino UNO Pro R3 Compatible VUSB HID 4CH DAC 5CH HV ADC 6CH ADC 16bit Onboard
V-USBモジュール - aitendo
Teensy 4.1 Fully Loaded For Prototyping System - ProtoSupplies
Greg di Twitter: "I suppose the PCBs themselves also look nice! :P This special "blue" edition PCB. I've got these to validate that all the design changes on r0.2.1 work and are