How to Read and Extract HEX File from Arduino Board And Upload the HEX File to Another Arduino
How to Read and Extract HEX File from Arduino Board And Upload the HEX File to Another Arduino. In this video I'm gonna show you
how to read hex file from Arduino board and extract hex file from Arduino board , copy the hex file from Arduino board to pc , burn/upload the extracted hex file to another Arduino board , read and extract .eep file (EEPROM file ) from Arduino board and burn .eep (EEPROME file) to another Arduino.
how to read hex file from Arduino board ? here we are using Arduino as isp mode to make an Arduino as isp programmer and connected the target Arduino to Arduino isp programmer and by the help of Avrdude we can easily extract hex file from arduino /copy code from arduino board or extract code from arduino board.
Avrdudess is an avr chip programming software it have various options for setting configuration bits like fuse bit lock bit and also we can read back the fuse and lock bits from the chip too.
by this Avrdude software we can get hex file back from target arduino board.
you can upload this hex file to any other same type arduino or the same type microcontroller with same crystal speed also you can simulate this in proteus
Someone asked me about Arduino uno hex file download that 's what we did here. read back hex file is possible but someone asked me
how to retrieve sketch from Arduino ? , it is not possible to convert the hex file back to the sketch / c++ code but we can burn this hex file to any other same type arduino or same type chip/MCU running at the same clock speed.
now we extracted the hex code from arduino successfully , here we copied program from arduino uno by the same way you can copy any avr microcontroller's / Arduinos
how to upload hex file in arduino ? here we are introducing two methods to upload hex file to arduino the first method is the easy method by an application called xloader. by this application you can flash a hex file or burn hex file to arduino very quickly and easy.
The next method is the advance one by avrdude by this method you can program not only Arduino's but also most of any avr microcontrollers , also you can write eeprom / .eep file , hex file, set config bits and also you can read back from the chip. avrdude is a great tool for arduino/avr microcontroller hex file download and upload.
Someone asked me about flash hex with arduino ide which is not possible but the arduino ide always generating hex file in the compile time of a sketch and which is saved in a temporary location C/User/User name/AppData/Local/Temp/arduino_build over there you can find two hex file one with the bootloader and one without bootloader. always you can copy those files if you need with out closing the ide. remember it's a Temp file its only there when the arduino ide is not closed.
Here is the DOWNLOADS
Programmer Arduino to Target Arduino Wiring Diagram:
https://mega.nz/file/O6p0CJxT#4toWM6D...
Avrdude:
https://mega.nz/file/Py5SgLDC#TdPY1gZ...
Xloader:
https://mega.nz/file/37AWwCgb#GIPCwiR...
Arduino Uno as programmer, Mega as Target Wiring Diagram:
https://mega.nz/file/fvx1UaQC#HEP6o8y...
Arudino Mega as programmer, Mega as Target Wiring Diagram:
https://mega.nz/file/fqASmBZS#mcsrh17...
Thank you
#MadebyAneeshmurali
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