Relay Shield v2.0 [SF-DEV-13769]

Relay Shield v2.0

Relay Shield v2.0 [SF-DEV-13769]

Price: $25.72
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Description

This Relay Shield v2.0 from Evil Mad Scientist is a simple Arduino add-on that gives your Arduino the ability to control a single electromechanical relay for switching loads of up to 24VDC or 40VAC. Each Relay Shield comes equipped with a single pole - double throw (SPDT) sealed relay which can handle a current load of up to 5A. This means that when current is applied to the coil it throws a simple changeover switch, terminating the connection from the NC (Normally Closed) contact to ground and closing the NO (Normally Open) contact. Use them to switch high voltage/high current devices. As this is a shield, it is powered straight from the 5V power supplied by your Arduino, simply slide it into your Arduino or shield-compatible board (like the RedBoard) and you will be good to go!

The relay shield is controlled through pin Digital 4 on your Arduino via a transistor labeled β€œQ1”. When output Digital 4 on your Arduino is low, the relay shield will connect the NC pin to the β€œCommon” pin of the screw terminal. When output Digital 4 goes high, the β€œCoil On?” LED will light up and the relay shield will instead connect the NO pin to the β€œCommon” pin of the screw terminal. Version 2.0 of this shield adds the ability to control the mechanical relay from a pin other than D4.

The Relay Shield is sold as an easy-to-assemble kit and includes everything listed below with clear assembly instructions listed in the documents section.

Includes:

  • 1x Relay Shield PCB
  • 1x GSLA SPDT 5A Relay
  • 1x Red LED, 3mm
  • 1x 100uF 10V Capacitor
  • 1x 0.1uF 25V Capacitor
  • 1x 2N4401 Transistor
  • 1x Screw Terminal, 3-pos
  • 1x Arduino Header Set
  • 2x 1000 ohm 1/4W Resistor
  • 2x 1N5817 Diode

Documents:

Categories with Relay Shield v2.0

Arduino & Microcontrollers
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