Description:
RPi Relay Boards Enable Pi to Control High-Voltage and High-Current Devices and Make Common Domestic Appliances Smarter. Supports for Raspberry Pi A + / B + / 2B / 3B. High quality relay, loads up to 250VAC / 5A, 30VDC / 5A.

Features:

RPi Relay Boards Enable Pi to Control High-Voltage and High-Current Devices and Make Common Domestic Appliances Smarter.

Supports for Raspberry Pi A + / B + / 2B / 3B. High quality relay, loads up to 250VAC / 5A, 30VDC / 5A.
Onboard LEDs for indicating relay status. Photo link isolation, prevent interference from high voltage circuit.
Relay control jumper, ensures to the relays by custom pins other than the standard pins.

Comes with development means, including examples in wiringPi, WebioPi, shell, python, and bcm2835.

Specification:
Condiiton: 100% Brand New
Raspberry Pi GPIO interface: For connecting Raspberry Pi
Relay screw terminal: For connecting target devices
Relay indicator:
         LED on: relay NC is open, NO is closed
         LED off: relay NC is closed, NO is open
     Power indicator
     Relay control jumper:
         short the jumper: control the relay by standard I / Os used in the example code
         open the jumper: control the relay by custom I / Os via jumper wires
Terminal Description:
1. The expansion board has four terminals, each terminal has three pins for connecting external circuits

Package Included:
1 x Expansion Module for Raspberry Pi

Notice:
Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.
Please understand that colors may exist chromatic aberration as the different placement of pictures.