Waveshare 5V 3-Channel Relay Module Expansion Board

The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.
RPi Relay Board Features
Standard FOR Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
High quality relays, loads up to 5A 250V AC or 5A 30V DC
Photo coupling isolation, prevent interference from high voltage circuit

Color: blue, black
Material: PCB
Onboard LEDs for indicating relays status
Relay control jumper, allows to control the relays by custom pins other than the default pins
What's on the RPi Relay Board
FOR Raspberry Pi GPIO interface:for connecting Raspberry Pi
Relay screw terminal:for connecting target devices
Relays
Photocoupler:PC817
Relay indicator
LED on: relay NC is opened, NO is closed
LED off: relay NC is closed, NO is opened
Power indicator
Relay control jumper
short the jumper: control the relays by default I/Os used in the example code
open the jumper: control the relays by custom I/Os through jumper wires

Package Contents:
1 x RPi Relay Board
1 x RPi screws pack

Only the above package content, other products are not included.
Note: Light shooting 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.
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