Designed to hold an ESP32 D1 Mini and an arcade button.
Case screws use M2 threaded inserts.
With some simple wiring, programming tools such as ESPHome paired with Home Assistant for automation, you can create a stand-alone IoT button to trigger any type of home automation that you'd like.
This is designed to be used with M2 threaded inserts to close the case securely, but you can optionally drill out the lid screw holes slightly, and use a wider screw to screw directly into the plastic.