Questions tagged [disassembly]
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10 questions
1 vote
0 answers
107 views
Decoding Manchester signal from underfloor heating bus with Saleae Logic 2
I'm resurrecting an old project trying to decode a serial protocol from my underfloor heating system (OJ Electronics). Not been able to rule out OpenTherm. Async Serial decoding of underfloor heating ...
- 31
1 vote
2 answers
116 views
How to open hermetic TO packages?
I would like to open a TO-18 can to look at die-bonding/heatsinking and do some electrical experiments with increased airflow. Is there a non-destructive way to do this? My only thought is to drill a ...
- 916
0 votes
2 answers
375 views
Electronics take-apart student activity
We're planning a (6th-8th grade) student take-apart day, with small non-functioning items like hair dryers, clock radios, coffee makers, etc. (no microwaves, TVs, monitors.) Even though items have not ...
- 29
6 votes
3 answers
4k views
I would like to disassemble a dvd player. Is it safe?
I want to do it for a "framed tech" project, it has been lying around in my basement for about 1 year. Now, on the back of the device, there is a sign "do not dissasemble, high voltage&...
- 69
1 vote
2 answers
623 views
Which cells to cut from the battery pack first?
I have disassembled an 18650 e-bike battery pack and have removed its BMS. I am looking to salvage the cells. I now have the battery pack looking like so: My question is whether it matters which ...
- 517
1 vote
1 answer
1k views
How to disconnect this kind of cable connector?
I'm trying to disassemble a part of my washing machine to clean it, but I'm struggling removing a white plastic cable connector. Here's a picture of it I've tried removing it by twisting it, and with ...
- 191
0 votes
2 answers
136 views
Tracking Down Compiled Binary Output Differences
I have a program compiled using AVR-GCC. I'm getting a small difference in the HEX files generated on two different computers that are ostensibly set up with the same environments. I also have an ELF ...
- 23.1k
1 vote
1 answer
1k views
AVR-GCC initialization code
Consider the following asm.S .global main main: rjmp main Compile and dump it with these commands: ...
- 173
0 votes
1 answer
335 views
Remove glass top from a TO can packaged VCSEL
I have a VCSEL packaged in a TO-46 can (image here / datasheet with package dimensions). I need to remove the glass top – with or without the silver-coloured cylinder – without damaging the laser ...
- 1,219
1 vote
1 answer
305 views
While loop instructions in pic disassemby not clear
In an efford to save space I try to reduce the generated C code with inline asm(""); Looking at the original disassembly and good working code I do not understand line 0x17E4. void MENU_BUTTON(...
- 3,960