Writing
Notes from the bench and the codebase
Mostly things that went wrong and what they turned out to mean. Repair, ITAD and compliance, hardware, Linux, and building software for processes that exist physically.
3 posts shown
- 3 min readElectronicsPCB Repair
"It doesn't turn on" is the end of the chain, not the start
Diagnosing a dead laptop by working forward through the power sequence, instead of backward from the symptom. The board tells you where it stopped, if you ask it in the right order.
board-repairdiagnosticspower-railshardwaremethod - 4 min readITADBusiness
What a Certificate of Data Erasure should actually prove
Most erasure certificates document an intention. Making one document a verified event changes what you have to build — and means the generator has to be able to refuse.
itadcompliancedata-erasurenistsecurity - 4 min readElectronicsSoftware Development
The USB stick that stole a ThinkPad's identity
A hardware audit tool reported a Lenovo laptop as a SanDisk flash drive. The cause was one convenient shell idiom, and it had silently overwritten the machine's identity three functions earlier.
bashlinuxdebugginghardware-auditlessons