Raspberry Pi Relay Board Power Relay Expansion Module for RPi A+/B+/2B/3B/3B+
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Raspberry Pi AccessoriesSKU :
1940999
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Features
Supports Raspberry Pi A+/B+/2B/3B/3B+
High quality relays, loads up to 250VAC/5A, 30VDC/5A
Photo coupling isolation, prevent interference from high voltage circuit
Onboard LEDs for indicating relays status
Relay control jumper, allows to control the relays by custom pins other than the default pins
Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835
What's on the RPi Relay Board
Raspberry Pi Expansion Board on board resource
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