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Questions tagged [hex]

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How do I turn a .hex read from the flash of an Arduino Nano into a human readable format?

At work we have a thing (irrelevant) driven by an arduino nano, the thing in question stopped working and it would be useful to pull the code off of it and potentially rewrite it. I have retrieved a ...
hakkulinen's user avatar
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Can I extract the hex file on a nano and program another nano(duplicate)? [duplicate]

I lost my code but I have programmed nano. I want to make a another working board. Can I extract the hex file and program it into another nano?
Nick's user avatar
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1 answer
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Send data with Serial.write() hex values

I'm using ESP32-C3 as hardware and Arduino IDE as my software core. I receive a data from MQTT server and want to send it to another board using serial port as a hex number. However, it gets sent over ...
Eric Matevosian's user avatar
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How to extract hex file from working MKR Zero

I have an Arduino MKR Zero which has working code on it, but I've lost the source. Is there a way that I can download the hex file from it, and then how can I upload it to a second so that I then have ...
Bill Sykes's user avatar
1 vote
0 answers
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Incorrect HEX code from DMM IR RS232

I have an Amprobe 38XR-A (sometimes seen as a meterman), these DMM's have a IR RS232 port on top and transmit a HEX code. Using the official cable I get a hex value of: 08000400500A0 I am attempting ...
Ash_noob's user avatar
4 votes
1 answer
773 views

Are intel hex files converted into a binary format before they are written to Atmega's flash?

I have been going through some resources on bootloaders, programmers, etc (I'm very new to this specific subject) and how they work with the Atmega chips and Arduino board programming. My research may ...
First User's user avatar
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1 answer
332 views

How to upload code to Arduino without a laptop

I would like to know is there a way of burning programs to microcontrollers like that on Arduino without using a computer? Like a pendrive or something? Suppose you want to update firmware on a ...
Lord Voldemort's user avatar
-1 votes
2 answers
5k views

Send HEX number over serial

I have a RS232 device that I am able to communicate with using RealTerm on a windows PC. The device is expecting a hex string like AA BB 03 01 03 EE How would I send the equivalent string from an ...
spuder's user avatar
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When using the IRremote library- why does it say 64 bits when after converting the hex to binary it comes out to be less?

I get this code output on my Serial when the IR receiver gets a signal: Protocol : GREE Code : 0x01C02350000000E0 (64 Bits) Mesg Desc.: Model: 1 (YAW1F), Power: Off, Mode: 1 (Cool), Temp: 16C, ...
Jeebus's user avatar
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1 vote
1 answer
1k views

How to convert a String to Hex array

I am trying use a HMI display. If I want to send a data, for example I want to write "TOPWAY" to 0x00000080 address it should like that: Serial.write(0xaa); // packet head Serial....
mehmet's user avatar
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1 answer
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Can I get the hex file from an Arduino without the .ino code [duplicate]

I have a CNC router table that came into my local makerspace. The board looks like it has some standard parts, but also has some parts I don't recognize. At the heart of it is an Arduino Uno. I would ...
j0h's user avatar
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