Relay modules (1–16 channels) for switching high-power loads from microcontrollers.
Relay modules let a low-power microcontroller such as an Arduino, ESP32 or Raspberry Pi switch high-power devices such as lights, fans, pumps, motors and appliances, which is essential for home automation, irrigation and control projects. Modules with 1 to 16 channels control several devices at once. Optocoupler isolation protects the microcontroller from electrical noise and voltage spikes. Check the trigger voltage (3.3 V or 5 V), trigger level (high or low), maximum switching voltage and current before ordering. Solid-state relays switch silently and last longer. Always take care when working with mains voltage.
Power: power modules.
Related categories: Arduino & SCM Supplies, Boards & Shields, Sensor Module