Seperate signal and power supply ground.Remove jumper cap for isolated power supply use
Inbuilt high value 1000uf electrolytic capacitor
Inbuilt high value low esr 1uf smd ceramic capacitor
High current darlington uln2803 driver
High quality double sided compact PCB.
Opto-Isolated inputs, means your digital electronics is safe and noise free.
This relay module is 5V active high.
It is an 8-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.
It is also able to control various appliances and other equipment with large current.
Relay output maximum contact is AC250V 7/10A and DC30V 10A.
Standard interface can be directly connected with microcontrollers.
