ESP8266 development boards like the Wemos D1 Mini and NodeMCU are an excellent way to ... tiny little boards just got a lot easier. His 3D printed design uses pogo pins to securely connect to ...

The various development boards such as the NodeMCU or Wemos D1 make working with the ESP8266 an absolute breeze ... [Ryan] came up with a slick 3D printed programming jig that uses pogo pins.