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Relay Shield for Arduino Micro I²C 4-Channel Signal Relay 1A SPDT 4 Programmable Digital Inputs/Outputs

$45.02

  • Relay Shield for Arduino Micro
  • MCP23008 I²C Controlled Relays
  • 4 SPDT 1-Amp Low Power Signal Relays
  • 4 Programmable TTL Inputs/Outputs
  • I2C Expansion Port
  • Key Fob Expansion Option

10 in stock

Product Description

This MCP23008 Relay Shield Arduino Micro I²C relay controller was designed to function as a relay shield for Arduino Micro.

This controller consists of 4 SPDT relays rated at 1 Amp at 120VAC or 1 Amp at 24VDC. The on-board relays are controlled by a MCP23008 using GPIO0:3. The remaining 4 GPIO pins (GPIO4:7) are available for general purpose TTL/CMOS Input/Output applications under software control.

Controlling on-board relays is easy. Simply set GPIO0:3 as Digital Outputs. Next, set the on/off status of GPIO0:3 to activate the four corresponding relays. Four LEDs indicate the status of the four on-board relays.

The relays on this controller are rated for low-power signal switching applications, offering an ideal choice for telecommunications, audio, low-power signal, and other resistive or low capacitive load applications. The relays used on this device are Single Pole Double Throw. External devices may be wired to turn on when the relay turns on. Optionally, external devices may be wired to turn off when the relay turns on. This relay should NOT be used in inductive applications (power switching applications involving motors or transformers of any kind).

This controller includes an on-board I²C expansion port, allowing an easy pathway to expansion for controlling more relays, reading sensors, or expanding to any I²C device we develop in the future. Up to eight MCP23008 Relay Shield Arduino Micro based devices may be connected to a single I²C port. The start address of this device is set using 3 on-board jumpers.

This relay shield is also compatible with a 418MHz Key Fob receiver (Part Number: MKFR), allowing your Arduino Micro to receive and process remote Key Fob commands up to 750 feet away. Up to 40 remote controls may be associated to the MKFR. Program your Arduino Micro to control relays in any way you can imagine through the use of a remote Key Fob. Compatible with 1, 2, 3, 4, 5, and 8-Button MS Series Key Fobs from Linx Technologies.

SKU: MCP23008_MASIO4R4G5V1_1A

Additional Information

Dimensions9.837 x 8.044 x 1.524 cm

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