We published a remote-controlled switch in the March/April 2020 edition of Elektor magazine. It had state feedback and communicated using LoRa. Because it was housed in a waterproof IP66 enclosure, it was suitable for outdoor use. It was also a modular project with the relay and power circuitry on one board and the LoRa communication part on another.
This interested me, because I was looking for an outdoor switch that could be integrated easily into my home automation system. This system is based on Home Assistant and Wi-Fi, but not LoRa. I am sure it is possible to add LoRa to it, but I didn’t want to dive into that. Instead, I thought that by simply replacing the LoRa module with a Wi-Fi module, I could make it run ESPHome, which works great with Home Assistant (Figure 1).
Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)
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