Hackheld is a DIY, open-source, hackable handheld designed to be easy to build and customize. It is based on the ESP8266 Lolin D1 Mini development board and features a 1.3" OLED display, six buttons, and a NeoPixel RGB LED. It runs the [Deauther](https://deauther.com) firmware, which allows it to perform various tests against Wi-Fi networks.