Runs well on Raspberry Pi!

Runs well on Raspberry Pi!

SainSmart 2 channels relay module board 5V For Arduino PIC AVR MCU DSP Relay Module (electronics)
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Customer Review

Because the GPIO of the Raspberry Pi have only 3.3V and provide a maximum 50mA current, they are somewhat limited in their use.

Per relay can change this and any voltage control (this relay acts as a switch-on with its twice per 3 ports).

I have it like this on my Raspberry Pi B connected:

Remove -Jumper between JD-VCC and VCC
Connect -JD-VCC to the 5V of the Raspberry Pi
-Rechtes GND GND of the RPI
-Rechtes VCC at 3.3V of the RPI
-IN1 Or IN2 with any GPIO pin connect

If the GPIO is set to a LOW IN the relay is activated (LED lights, mid + K is connected), it is set to HIGH, the relay returns to Standard mode.

Thus, it can be very simple on / off switch via GPIO use =)

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