Difference between revisions of "IR Shield"

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Revision as of 02:43, 28 July 2014

Overview

IM140715001 4.jpg

IR Shield is designed for Arduino, which is equipped with infrared receiving and dispatching module, nRF24L01 interface, Xbee interface, Micro SD slot and temperature and humidity sensor. With this IR shield, you can intelligentize your home by making a DIY monitor for indoor temperature and humidity or a controller for IR home appliances such as air-condition and television.

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Features

  • Compatible for 5/3.3V main board
  • Micro SD card slot
  • Xbee interface

Specification

PCB size 55.88mm X 68.58mm X 1.6mm
Power supply 5V DC
Indicators PWR,LED1,LED2
Communication Protocol UART,IIC,SPI

Electrical Characteristics

Parameter Min. Typical Max. Unit
Power voltage 4.5 5 5.5 VDC
Input voltage VinH (Target Voltage = 3.3V) 3 3.3 3.6 V
Input voltage VinH (Target Voltage = 5V) 4.5 5 5.5 V
Input voltage VinL -0.3 0 0.5 V
Current Consumption - 40 - mA

Hardware

IM140715001pic1.jpg IM140715001pic2.jpg IM140715001pic3.jpg

Pin Map

Arduino Pin Description
D0 XBEE_TX
D1 XBEE_RX
D2 nRF24L01_IRQ & STD Button
D3 IR_TX*
D4 SD_CS
D5 IR_RX*
D6 LED1*
D7 LED2*
D8 -
D9 nRF24L01_CE
D10 nRF24L01_CS
D11 MOSI
D12 MISO
D13 SCK
A0 A0 Button
A1 -
A2 -
A3 -
A4 SHT10_SDA
A5 SHT10_SCL
  • IR_TX: when D3 is set as high level switch, IR Diode will emit signals out. When D3 is set as low level switch, IR Diode won’t work.
  • IR_RX: Use HS0038B as IR receiving module
  • Jumpers:
Jumpers can directly connect to Arduino’s IO. If you don’t need them or their corresponding pins are occupied, you can remove the jumpers.
  • A0: insert a 10K resistance to A0 button
  • LED1: connect to D6 pin. If the output voltage is high, LED1 turns on.
  • LED2: connect to D7 pin. If the output voltage is high, LED1 turns on.
  • Switch: Set the switch level according to Arduino main board. When the mainboard is set in 5V, you should turn the switch to 5V; when in 3.3V, you should turn to 3.3V.

Instruction

Please refer to our blogs:

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