ESP32
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Automation PCBs
8-Channel Home-Automation PCB, Model-SMT8N25 (fully assembled)
- Model SMT8N25 – ESP32-based 8-channel relay board for smart-home projects
- Controls up to 8 AC appliances; heavy-duty screw terminals resist arcing
- Built-in ESP32-WROOM with Wi-Fi + BLE; ready for Blynk, ESP-RainMaker, KME Smart, CADIO, Arduino IoT Cloud
- USB-C programming port (CP2102N auto-reset) — no external programmer needed
- On-board safety features: fast-blow fuse + optocoupler isolation between mains and logic
- Plug-and-play JST headers for wall switches, DHT sensor, IR receiver, and buzzer
- Exposed UART, 3.3 V, 5 V, GND pins for easy expansion
- Slim 142 × 70 mm PCB fits behind standard 6-/8-gang switch plates
SKU: SMT8N25-0037