====== Flashing Arduino For Keypad ======


2 ways to flash arduino

  - [[arduino_for_keypad#using_android_phone | Using Android Phone with OTG support]]
  - [[arduino_for_keypad#using_pc| Using PC]]


  * [[arduino_for_keypad#verify_flashed_firmware| Verify or debug arduino]]

===== Using Android Phone =====
Softwares to Download:
  - Install [[ https://play.google.com/store/apps/details?id=xyz.vidieukhien.embedded.arduinohexupload | Arduino Hex Uploader App]]
  - Download {{ {{ :arduino-keypad-40.1.2.zip | Arduino Keypad Firmware}}. Unzip the content of the zip file (**arduino-keypad-xxxxx.zip**).

After downloading the needed softwares, connect the **Arduino** to your Android phone via **OTG**. Make sure you enable the OTG setting on your android.

Open **Arduino Hex Uploader App** and tap the Arduino device in the list. 
Tap **Ok** if prompted to **Allow Arduino Hex Upload to access USB2.0-serial**.
{{ :4.0.0-beta.1:arduino-hex-upload-step1.png?direct&150 |}}

Then **Select the Arduino firmware** you downloaded (**arduino-keypad-xxxxx.hex**):
{{ :4.0.0-beta.1:arduino-hex-upload-step2.jpg?direct&150 |}}

Select the **arduino board** and tap the icon on the bottom-right to start flashing. Wait for the **Upload success** message.
{{ :4.0.0-beta.1:arduino-hex-upload-step3.jpg?direct&150 |}}



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===== Using PC ===== 

Softwares to Download:
  - Install [[ https://github.com/xinabox/xLoader/releases/download/v1.339/xLoader_V1_339.zip | XLoader ]]
  - Download {{ :arduino-keypad-40.1.2.zip | Arduino Keypad Firmware}}. Unzip the content of the zip file (**arduino-keypad-xxxxx.zip**).

Connect your arduino to PC and determine the **COM Port**.
{{ :4.0.0-beta.1:pc-flash-arduino-1.png?direct&600 |}}


Open Xloader. Select the **hex file** you downloaded (** arduino-keypad-xxxxx.hex**).

Set proper **Device** and **COM PORT**.

Set **Baud rate:** to __115200__.

Then click **Upload**.
{{ :4.0.0-beta.1:pc-flash-arduino-2.png?direct&600 |}}



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===== Verify Flashed Firmware ===== 

  * Sometimes the hex uploader will show **Upload failed**. Verify if the upload is successful by using putty to access the arduino nano serial.
  * Use baud rate 115200
  * The terminal will show the following logs:


       AdoPiSoft Wireless Subvendo Keypad
       Version:40.1.2