power electronics
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1-Channel 12V Relay Module (Low-Level Trigger)
1-Channel 5V Relay Module (low level trigger)
20A Intelligent LCD Solar Charge Controller
4-Channel 5V Relay Module (Low-Level Trigger)
The 4-Channel 5V Relay Module (Low-Level Trigger) is a high-power, optocoupler-isolated relay switch for home automation, IoT, and industrial control. Featuring 4 independent relays, LED indicators, and a secure screw terminal design, it’s ideal for Arduino, Raspberry Pi, ESP32, and Other Electronics projects.