Automate your home with a universal ESP32 Arduino script. Set up 2, 4, or 8-channel relay modules for offline switches and ...
Build a custom ESP32-S3 automation system featuring 16 programmable relays, an MCP23017 IO expander, and a web interface for ...
Adapted from a feature that first appeared in August 2025 on Londonist: Time Machine, our much-praised history newsletter. To be the first to read new history features like this, sign up for free here ...
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