4-Channel 5V Relay Board TP4056 1A Li-Ion Battery Charging Protection Module Anti-Reverse Polarity Design: Keyed male

Anti-Reverse Polarity Design: Keyed male and female housings physically prevent incorrect mating

Arduino Programming Setup: Connect your Arduino Uno or Mega to your computer for uploading code

Expert technical support included for cooling loop design and integration guidance

Detailed Specifications

eliminate drafts and air circulation near the printer

4-Channel 5V Relay Board TP4056 1A Li-Ion Battery Charging Protection Module Anti-Reverse Polarity Design: Keyed male```html 4 Channel 5V Relay Board Control up to four high power devices independently using any 5V microcontroller with this optocoupler isolated 4 channel relay module from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, and dedicated technical support. Specifications Relay Channels 4 (independently controlled) Signal Voltage 5V DC (active low trigger) Coil Voltage 5V DC Contact Rating 10A @ 250V AC 10A @ 30V DC