It is a 5V 4-Bit relay module. It is a commonly used electronic module for low-current signal control power supply equipment, which enables high-power single-chip control equipment to be used in single-chip systems.
1).Standard shield interface and shape.
2).It can continue to stack other expansion boards.
3).It has 3 M3 screw positioning holes for easy installation.
4).It with on-board relay red indicator light.
5).The high drive normally open contact is closed.
6).It can be directly plugged into various types of motherboards,eliminating the trouble of patch lines.
1).Product Name:5V 4-Bit Relay Module
2).Working Voltage:DC 5V
3).Power Interface:5V DC power interface
4).Relay:DC 5V relay
5).Relay Indicator:When the relay is driven to a high level,the four indicator lights are red,and the corresponding indicator lights will light up.
1pcs 5V 4-Bit Relay Module
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