5v 4 Channel Relay Module

This is a 4-Channel Relay interface board. It can be used to control various appliances and other types of equipment with a large current. It can be controlled directly with 3.3V or 5V logic signals from a microcontroller

Specifications and Features:     

• Trigger mode: High level
• Channel: 4 channel
• Relay Operating Voltage: 3.3V to 5V
• One normally closed contact and one normally open contact
• DC or AC signal, control, you can control the 220V AC load;
• Triode drive, increasing relay coil
• High impedance controller pin
• The input signal, signal, common Terminal and start conducting;
• Pull-down circuit for the avoidance of malfunction
• Power supply indicator and Control indicator lamp
• Power supply and relay instructions, lit, a disconnect is off;
• Useful for appliance control;
• There is a normally open and one normally close contact;
• The module is compliant with international safety standards, control, and load areas isolation trenches.

Package included:

1 x 5V 4 channel relay module