All Questions
Tagged with logic-analyzer protocol
7 questions
0
votes
0
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49
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Help identifying protocol for Midea AC daughter PCB communication
I have a basic Midea AC unit that lacks Wi-Fi connectivity, and I'm interested in making it smart. It consists of a main PCB, which I prefer not to tamper with, and a smaller daughter PCB responsible ...
2
votes
1
answer
139
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How to identify protocol of unknown 7 segment display chip?
I'm trying out logic analyser with digital clock I have laying around. The clock uses 7 segment display (4 digits) and consists of two parts: display with unknown chip inside and main board with two ...
- 125
1
vote
2
answers
180
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Help decoding unknown data stream
I'm currently diving into the task of cracking the data stream protocol for a generator control system. There's this setup with a control box sitting next to the generator, and a remote switch in the ...
- 95
0
votes
1
answer
181
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CAN-Bus Message confusion
Can anyone tell me what the difference between these two sets of CAN Bus messages? This is from the manual of a Power Drive Unit (PDU) in the Cargo Handling System of a 747F (UPS Freight). This is the ...
- 41
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2
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574
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How to find and decode a particular protocol
I'm trying to understand what protocol is used on a particular device in order to decode it and send custom values.
So far I was able to record the data with a logic analyzer but couldn't figure out ...
- 155
10
votes
3
answers
2k
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Analyze protocol used for Futaba VFD display, 3 data pins
I take apart a Samsung SMT-C7140 HD Unit (made obsolete by cable company, a shame) and found a nice display that I could probably reuse. It is a Futaba GL07-00006A (13-BT-246GINK). I tried to find the ...
- 1,377
3
votes
4
answers
1k
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Why buy protocol analyzer modules for an oscilloscope?
Scopes with logic analyzer inputs often have optional add-on modules that let them decode various serial protocols: SPI, RS-232, I²C, CAN, etc. Tek and Agilent want around
US $700 per protocol family ...
- 3,762