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The process of identifying, quantifying, and correcting errors in the operation of a system

0 votes
1 answer
316 views

Wrong data displayed from UART connection

I have trouble displaying a certain hex string on an LCD. The hex string comes from a external display device that communicates with a serial display. With the oscilloscope, the data from the display …
user270124's user avatar
0 votes
0 answers
52 views

How to receive a startup hex string during a debug session?

This is my setup: I have a 'smart display' connected to the serial interface of a PCB with a PIC microcontroller. The PIC powers the smart display. This smart display uses a boot mechanism. When the p …
user270124's user avatar
0 votes
1 answer
1k views

How to debug serial communication with RealTerm?

I am debugging by connecting and disconnecting the power wires between the UART and the FTDI cable. I don't know in which direction I should look further to debug this. …
user270124's user avatar