This device is a mains powered (no wall wart!) circuit board that provides a web page and API to control two 10A, 240V relays.
This project originated when I wanted to control my pool lights from my home automation system. Since the connections for the lights were in an outdoor electrical box, I needed a way to connect to Wi-Fi even though the unit was inside a shielded enclosure. Also, I wanted to connect directly to the 120v available in the enclosure without having to have a plug in power transformer.
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I'm a lifetime electronics hobbyist. I've had a ham radio license (N0DY) since my early teens, and that hobby inspired me to obtain a degree in Electrical Engineering. Professionally, I work for a large aerospace company as a product manager for Flight Control Computers. My current activities in electronics include several home automation projects (including the Wifi Dual Relay Controller), repair and refurb of old Tektronix oscilloscopes, LoRA and LoRAWAN, and continued involvement in ham radio activities.