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.

That's where an ESP8266 comes in. It's basically a Wi-Fi microcontroller that you can ... but you can also use it without one. You can program it directly and run your own software on it, but ...

By wiring up an ESP8266 to a cheap aftermarket key fob for ... He was lucky that the Chevy allowed him to program his own fob, but even if you have to spend the money on getting a new remote ...