DC 5V Eight Channels Relay Breakout with Optoisolator

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Description

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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

Schematics