odroid_go:arduino:37_ir_receiver [ODROID Wiki]

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====== Arduino for ODROID-GO - IR Receiver ======
<WRAP important round>
  * Make sure that you've followed the **[[01_arduino_setup|Arduino setup]]** guide.
</WRAP>
{{https://dn.odroid.com/source_peripherals/odroid_go/odroid-go-ir-receiver-demo.gif?400|}}

You can receive an IR signal with ODROID-GO.\\ 
This example is for [[accessory:connectivity:ir_remote_controller|our IR remote controller]], but you can program with another remote controller the library supports.\\ 
===== Requirements =====
Make sure that you have these products:\\ 
  * [[https://www.hardkernel.com/shop/odroid-go/|ODROID-GO]]
  * [[https://www.hardkernel.com/shop/ir-sensor-rom-wt138ln/|IR receiver module]]
  * [[https://www.hardkernel.com/shop/jumper-wires-40-each-10cm-male-male-female-female-female-male/|Female/Male jumper wires]] (3 EA)
  * [[https://www.hardkernel.com/shop/micro-usb-cable/|microUSB cable]]
  * [[https://www.hardkernel.com/shop/ir-remote-controller/|IR Remote Controller]]
Set up the development environment for Arduino on your system.\\ 

===== Hardware setup =====
Please refer to the picture below when you set up your hardware.\\ 
We use the parts below:\\ 
  * IR receiver module: [[https://www.devicemart.co.kr/include/down.php?file=/data/goods/goodsfile/35714_file_0.pdf&mode=goods&name=IR%20%B8%AE%B8%F0%C4%DC%20%B8%F0%B5%E2%20%B5%A5%C0%CC%C5%CD%BD%C3%C6%AE.pdf|ROM-WT138L(N)]]
{{odroid_go:arduino:odroid-go-ir-receiver.png?400|}}
  * Download Fritzing example file: {{ odroid_go:arduino:odroid-go-ir-receiver.fzz |}}
    * ODROID-GO: {{ odroid_go:arduino:fritzing_odroid-go.fzpz |}}
    * IR receiver: {{ odroid_go:arduino:ir_receiver.fzpz |}}

Connect each other directly using the jumper cables.\\ 
You can use these pins at the **10 pin header(P2)**, 
  * **P2-1**: GND
  * **P2-4**: GP15 (I/O)
  * **P2-5**: GP4 (I/O)
  * **P2-6**: 3.3V
Select one between P2-4 and 5 port for transferring a data.\\ 
===== Import and compile, upload to ODROID-GO =====
Click the **Files -> Examples -> ODROID-GO -> Applications -> IR_Receiver** menu to import and press **CTRL-U** to compile/upload.\\ 
{{odroid_go:arduino:windows_ws_3.png?400|}}\\ 

Uploading is complete when the message “Hard resetting via RTS pin…” is seen.\\ 
===== Check if it works =====
After the upload completes, ODROID-GO reboots automatically.\\ 

You can receive a signal from a remote controller that the IR library supports.\\ 
The given example is for [[accessory:connectivity:ir_remote_controller|our IR remote controller]]. If a button pushed, **the pushed button appears** on the ODROID-GO.\\