Korg Triton Repair and Restoration November 17, 2024 by ddzheng A long time viewer of my Bilibili channel contacted me to do a restoration of his Korg Triton.
Tektronix DPO71254B Repair September 11, 2024 by ddzheng There is a DPO71254B at my workplace that has been abandoned for quite a while. I repaired it so that we can use it to debug (no cal though)
Roland D-50 Repair December 31, 2023December 31, 2023 by ddzheng The long journey of restoring a Roland D-50
Oscilloscope Measurement Artifacts 1 December 20, 2023December 21, 2023 by ddzheng In this article I present some aspects that distort electrical signal measurement result, with focus on what happens in the scope itself after the signal has entered an oscilloscope.
Custom Logging to Console and File Handling in Python (with Queue) December 20, 2023 by ddzheng This one uses queue so there is no performance bottleneck on the logging calls.
Repair SONY DSC-P93 September 9, 2023 by ddzheng Repair a SONY DSC-P93 that has stuttering OVF zoom and an error message
Resurrecting AGM Lead Acid Battery August 15, 2023August 15, 2023 by ddzheng Although not regular flooded type, AGM batteries can also be restored by adding water if it's not too far gone.
A script to recursively extract nested zip files February 4, 2023December 20, 2023 by ddzheng A simple shell script to recursively extract nested zip files, extracts each zip file to its own folder and retaining directory structure.
Building a NAS with a Cursed Motherboard / 用灵车主板组装一台NAS October 23, 2022August 15, 2023 by ddzheng I built a NAS with a cursed motherboard and TrueNAS Scale