Questions tagged [reverse-engineering]
The process of taking a completed system and determining details of its design by analysing it; may have legal limitations or ramifications in different jurisdictions.
385 questions
1 vote
1 answer
109 views
Decreased output current capability of a SMPS
I'm reverse-engineering a SMPS for educational purpose. I had to sort it out, because one day it could not supply my Raspberry Pi 3 Model B+ any more. First I detected, that the input capacitor C1 was ...
- 119
2 votes
1 answer
86 views
CCFL no identifiers , verified working tube no other visible damage and no other components with issues, voltage detected going in but not going out
This is for a Trimble EZ GPS steering system. Essentially I am struggling to find this part my best guess is its a CTX210605-R but that is discontinued and hard to come by. (Also in the diagrams it's ...
1 vote
0 answers
70 views
Identify RF-IC in SO-8 package marked 5108195 A00 1543 GWA
Our RC controlled roller shutter in front of the window is behaving strangely. I got interested in how it works. Could you identify that IC? It seems to do the RF stuff. Open in new tab for full ...
- 153
1 vote
1 answer
115 views
Reverse-engineering this electric flyswatter circuit
I recently disassembled this electric flyswatter, and am having trouble turning the PCB into an accurate circuit diagram. I think my diagram is not far off, however I am having trouble understanding ...
1 vote
1 answer
132 views
Reverse-engineering water detection circuit
I am reverse engineering a PCB in an espresso machine and I am having trouble understanding the water detection circuit used for the steam boiler. The correct water level in the boiler is set such ...
- 23
1 vote
0 answers
90 views
Problems when probing toner cartridge chip
I've been trying to probe the pins of this toner cartridge chip with my oscilloscope to gain an insight on the serial communication protocol by soldering some thin cables onto the pads so I could ...
- 11
1 vote
3 answers
156 views
Could a CRC-15 CAN be transformed into 8 bytes in an embedded system?
I am analyzing calibration binary files of an embedded system (BMS) that likely uses a CRC-15 CAN checksum. From my firmware analysis, I have found a PECLookup table, which suggests that a CRC-15 CAN ...
- 11
4 votes
1 answer
563 views
I need help identifying this pad on this pcb
I have been trying to reverse engineer this card and found these strange rectangles, at first, I thought it was a mask put in for some reason but after working on it I found that the small one is ...
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