5v 4 channel relay with optocoupler Start at 210 degrees Celsius

Start at 210 degrees Celsius and adjust in 5-degree increments based on your specific printer's characteristics and nozzle type

The RTC can be synchronized with NTP servers automatically upon WiFi connection

Plug-and-Play USB Interface: Bus-powered via USB 2

Spring-Loaded Self-Centering: Automatically returns to the neutral center position when released

Always perform a pre-flight systems check including motor spin direction verification

5v 4 channel relay with optocoupler Start at 210 degrees Celsius```html 5V 4 Channel Relay Module with Optocoupler Control up to four high voltage appliances, motors, or lights safely from your Arduino, Raspberry Pi, or ESP32 with this optocoupler isolated 4 channel relay module. Available at The Engineer Store, Bengaluru your trusted source for reliable electronics components with fast shipping and dedicated support. Specifications Module Type 4 Channel Relay Module with Optocoupler Isolation Operating Voltage 5V