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Questions tagged [hex]

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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 ...
4 votes
1 answer

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 ...
0 votes
1 answer

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 ...
-1 votes
2 answers

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 ...
0 votes
1 answer

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, ...
1 vote
1 answer

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....
1 vote
1 answer

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 ...