Introduction This is a followup instructable, I’ve written this one a bit after “Building Homie Devices for IoT or Home Automation“. The later was focusing on basic monitoring (DHT22 FR/DE, DS18B20 FR/DE, light) around D1 Mini boards. This time, I’d like to show how to add a serial header for FTDI adapter (FR/DE) on a Sonoff WiFi […]
