Relays, MOSFETs & Power Ctrl

About

Relay and MOSFET power control modules provide the essential switching interface between low-power microcontroller signals and high-power loads — motors, heaters, solenoids, lighting, and industrial equipment. From temperature-triggered relay modules to high-current dual MOSFET switches, our range covers the complete spectrum of solid-state and electromechanical power switching for embedded systems and automation applications. Our Relays, MOSFETs & Power Ctrl collection includes: Temperature-Sensitive Relay Modules — 5V NTC thermistor-triggered relay modules for automatic temperature-based switching; ideal for fan control, heater cutoff, and thermal protection circuits without microcontroller programming MOSFET Control Modules — LR7843-based N-channel MOSFET driver boards for PWM speed control of DC motors, LED dimming, and high-current load switching directly from Arduino or Raspberry Pi GPIO signals High-Power Dual MOSFET Switch Modules — dual-channel high-current MOSFET switch boards for independent control of two high-power loads; suitable for bidirectional motor control, solenoid valves, and power distribution switching All modules feature optocoupler isolation, flyback diode protection, and screw terminal connections for safe, reliable integration into both prototyping and production environments. Compatible with 3.3V and 5V microcontroller logic levels.