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Control 4 home appliances from a local web dashboard or Google Assistant via ESP32 and a 4-channel relay module. Works on your local network — no cloud subscription needed.
Specifications
| Microcontroller | ESP32 |
| Relays | 4-Channel 5V Relay Module (optocoupler isolated) |
| Control | Local Web UI + optional Google Home / Alexa |
| Load | Up to 10A / 250V AC per channel |
| Power | 5V 2A USB-C adapter |