DC 5V Four Channels Relay Breakout with Optoisolator

Description

A breakout board with 4 channel 5V DC relay. The control signal is DC 5V - 7.5V.  It can control 10A 250VAC, 10A 30VDC load. Size: 70mm X 17mm X 20mm. The major component is EL817 and SRD-DV5V-SL-C.   Features:   Outputs have LED indicators. The input can be directly controlled by MCU's IOs. With optoisolators installed. Use diode to protect Response time Relay can operate more than 100 thousands times. Four channels can be controlled at the as time. Independent input/output power supplies.   Interface Definitions:   Input: GND -- Negative Power Supply of Optoisolator control  VCC -- Positive Power Supply of Optoisolator Control IN1 -- Control Signal No. 1 (Active Low, activate the relay) IN2 -- Control Signal No. 2 (Active Low, activate the relay) IN3 -- Control Signal No. 3 (Active Low, activate the relay) IN4 -- Control Signal No. 4 (Active Low, activate the relay) V-  -- Negative Power Supply of Relay V+ -- Positive Power Supply of Relay     Download:   Schematics