The various development boards such as the NodeMCU or Wemos D1 make working with the ESP8266 an absolute breeze ... programming jig that uses pogo pins. If you have to program these boards ...

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