2 layers31.2 × 39.4 mmFlash Stationpsi-4ward/HMSensor-FlashStationHelper PCB to flash Asksin++ HMSensor PCBs8 parts4MIT
2 layers38.1 × 41.4 mmESP8266 Unipsi-4ward/esp8266-breakout-uniSimple breakout PCB für ESP826620 parts