Arduino Uno 4-Channel Relay Shield v0.9b

RM15.90

This is a shield equipped with relays for Arduino to control high power loads up to 3A.

 

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SKU: ARS-UNO-4RELAY-V09B Categories: , Tags: , ,

Description

This is a relay shield that has 4 relays for controlling high current loads up to 3A with Arduino Uno or Mega. There are onboard NO (Normally Open) and NC (Normally Closed) terminal connectors for controlling devices that could not be directly controlled by Arduino’s digital IO pins. Relay can be useful in switching AC appliances such as fan, lamp, motors, solenoid valves, electromagnets, coils, etc.

The standardized shield form factor enables a smooth connection with Arduino Uno, Mega and compatibles. The shield also has 4 LED indicators to indicate the on/off state of each relay.

Features

  • Operating voltage : 5V
  • Has ICSP extension pins
  • 4-channel relay fit on Arduino Uno, Mega form factors
  • LED indicators for each relay output
  • Load capacitor : 3A 125VAC / 3A 24VDC (each relay)
  • Has extension pins for IO

 

Wiring

LabelMeaningConnection
Relay 11st channel relayConnected to Arduino digital pin 7
Relay 22nd channel relayConnected to Arduino digital pin 6
Relay 33rd channel relayConnected to Arduino digital pin 5
Relay 44th channel relayConnected to Arduino digital pin 4
NO1/2/3/4Normally-Open terminalConnect device to this for switching ON when relay is activated
COM1/2/3/4Common terminalConnect to power source
NC1/2/3/4Normally-Closed terminalConnect device to this for switching OFF when relay is activated

Additional information

Weight30 g
Dimensions72 × 52 × 30 mm

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