View source for DC 5V Eight Channels Relay Breakout with Optoisolator

== Description ==

[[File:1-145.jpg]]

[[File:1-146.jpg]]

A breakout board with 8 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 < 20ms
*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)
*IN5 -- Control Signal No. 4 (Active Low, activate the relay)
*IN6 -- Control Signal No. 4 (Active Low, activate the relay)
*IN7 -- Control Signal No. 4 (Active Low, activate the relay)
*IN8 -- Control Signal No. 4 (Active Low, activate the relay)
*V- -- Negative Power Supply of Relay
*V+ -- Positive Power Supply of Relay


== Download ==
[http://www.cutedigi.com/pub/BB/relay/SCH-relay8CH-1.0.pdf Schematics]