What happens when you combine an Arduino-based microcontroller with a palm-sized aluminum box and clicky buttons? A fidget ...

This will not work with Arduino IDE 1.6.5 (or below) or with non ESP32-S2/S3 devices (e.g. Arduino UNO, Arduino MEGA, etc.). To use this library you need to have Arduino core for the ESP32 installed.

Neal has more than 20 years of experience in financial and business journalism covering retail investing, airlines, pharmaceuticals, healthcare, sustainability, technology, and retail. He has worked ...