Hw-597 Driver Exclusive 💯

The is a common, low-cost active-low dual-channel relay module. It is typically used with Arduino, ESP8266, ESP32, Raspberry Pi, or other 3.3V/5V microcontrollers to control high-voltage or high-current AC/DC loads. The module features two independent relays, optocoupler isolation (on most versions), and an onboard transistor driver circuit.