DECRIPTION:
Relay Shield (ie 5V Quad Relay Module) is a small current signal control power equipment commonly used electronic module, enabling high-power single-chip control devices are widely used in SCM system to make smart home project; and can be directly plugged into the use of various types of motherboards, eliminating the patch cable troubles.
SPECIFICATION:
4-Channel Relay interface board,
Each one needs 15-20mA Driver Current
Equiped with high-current relay : DC30V 10A AC250V 10A
Standard interface that can be controlled directly by microcontroller