8 Channel Relay Driver Using ULN2803 & Sugar Cube Relay

8 CHANNEL RELAY BOARD USING ULN2803 (1)

8 Channel Relay Board is a simple and convenient way to interface 8 relays for switching application in your project. Input voltage level support TTL as well as CMOS. Easy interface with Micro-ontrollers based projects and analog circuits.

DOC

  • Input supply 12 VDC @ 336 mA
  •  Output eight SPDT relay
  •  Relay specification 5 A @ 230 VAC
  •  Trigger level 2 ~ 15 VDC
  • Header connector for connecting power and trigger voltage
  •  LED on each channel indicates relay status
  •  Screw terminal connector for easy relay output and aux power connection
  •  Four mounting holes of 3.2 mm each
  •  PCB dimensions 152 mm x 60 mm

 

8 CHANNEL RELAY BOARD USING ULN2803 (3) 8 CHANNEL RELAY BOARD USING ULN2803 (3)

8 CHANNEL RELAY BOARD USING ULN2803 (1)

8 CHANNEL RELAY BOARD USING ULN2803 (2)

 

 

2 comments

  • I have a 555/4017 board that I’m trying to drive a ULN2803 to power an LED array. Is the 4017 so “weak” that it cannot signal the ULN? I get no response from my circuit, past the indicator LEDS on my chaser board.

Leave a Reply

Your email address will not be published. Required fields are marked *