2 Channel 5V Relay Module – Optocoupler Isolation for Arduino by ADIY

2 Channel 5V Relay Module – Optocoupler Isolation for Arduino by ADIYDESCRIPTION The relay module is an electrically operated switch that allows you to turn on or off a circuit using voltage and or current much higher than a microcontroller could handle. There is no connection between the low voltage circuit operated by the microcontroller and the high power circuit. The relay protects each circuit from each other. Each channel in the module has three connections named NC, COM, and NO. Depending on the input signal

Elcom manufactures various types of Rocker switches like - Single Pole Single Throw Single Pole Double Throw Double Pole Single Throw Double Pole Double Throw Available in Illuminated / Non-Illuminated types in 6Amp

Level Converter Hookup Guide

3V logic for all GPIO pins

This is a high quality aluminum chassis useful for building small to medium sized robots in minutes

In terms of still images

It works with a Mini-B USB cable

The Soil Moisture Sensor available at Tomson Electronics

As it draws only 60 μA from its supply

Quick response

humidity: 5S 1/e (63%)

Max PWM outputs (including complementary):10

power indicator LED and an adjustable sensitivity through a potentiometer