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  • Arduino Relay Shield V3.0
  • Arduino Relay Shield V3.0
  • Arduino Relay Shield V3.0
  • Arduino Relay Shield V3.0 - Dimensions
  • Arduino Relay Shield V3.0

Arduino Relay Shield V3.0

$25.95
SKU:
REL-V3.0
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Product Description

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The Relay Shield provides four high-quality relays to control high current loads to Arduino / Seeeduino boards. It also provides NO (Normally Open) / NC (Normally Closed) operation. It is an excellent solution for controlling devices that Arduino's Digital I/Os cannot directly control. The standardized shield form factor enables a smooth connection with Arduino and compatibles. The shield also has four LED indicators to show each relay's on/off state. Relays are useful for switching on/off AC appliances like fans, lights, motors, high current DC actuators like solenoid valves, etc.

If you are interested in finding out more about the relay shield, check out the following tutorials:

For technical support, please post your questions to the manufacturer's forum.

Features

  • Arduino Uno/Leonardo/Seeeduino compatible; Other boards or microcontrollers via jumper cables 
  • Interface via digital I/O pins 4,5,6, and 7
  • Relay screw terminals
  • Standardized shield shape and design
  • LED working status indicators for each relay
  • High-quality relays
  • COM, NO (Normally Open), and NC (Normally Closed) relay pins for each relay
  • Update pin SCL, SDA, IOREF, NC.

Pinout

Arduino Relay Shield v3.0 Pinout

Technical Details

Arduino Relay Shield V3.0 Technical Details


The AVR Microcontroller and Embedded Systems Using Assembly and C: Using Arduino Uno and Atmel StudioThe AVR Microcontroller and Embedded Systems Using Assembly and C: Using Arduino Uno and Atmel Studio

The AVR microcontroller from Atmel (now Microchip) is one of the most widely used 8-bit microcontrollers. Arduino Uno is based on AVR microcontroller. It is inexpensive and widely available around the world. This book combines the two. In this book, the authors use a step-by-step and systematic approach to show the programming of the AVR chip. Examples in both Assembly language and C show how to program many of the AVR features, such as timers, serial communication, ADC, SPI, I2C, and PWM.

The text is organized into two parts:

  • The first 6 chapters use Assembly language programming to examine the internal architecture of the AVR.
  • Chapters 7-18 uses both Assembly and C to show the AVR peripherals and I/O interfacing to real-world devices such as LCD, motor, and sensor.

The first edition of this book published by Pearson used ATmega32. It is still available for purchase from Amazon. This new edition is based on Atmega328 and the Arduino Uno board.

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