3 Channel Relay Extention Board for 5/4B

3 Channel Relay Extention Board for 5/4B Description

Based on for 40pin GPIO interface, suitable for series motherboards
Use high-quality relays to allow access to loads: less than equal 5A 250V AC or less than equal 5A 30V DC
With optocoupler isolation to avoid interference from high-voltage circuits
With relay indicator light, it is convenient to check the working status of the relay
With relay selection jumper cap, it is convenient to switch other pins of for for control

Provide complete supporting information manual (including wiringPi, WebioPi, shell, python and bcm2835 routines)
Due to different batches, the appearance, color and printed words of the product , which not affect the use.
Colour:Blue
Material:PCB
Size:65.15 x 56.21mm

Package Contents:
1 * Relay Extention Board

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.