ESP8266 development boards like the Wemos D1 Mini and NodeMCU are an excellent way to ... His 3D printed design uses pogo pins to securely connect to the board’s castellated edges, which also ...

The various development boards such as the NodeMCU or Wemos D1 make working with ... a slick 3D printed programming jig that uses pogo pins. If you have to program these boards in bulk, a jig ...