Author: John Martin
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Spectrogram: An Agentic Coding Side Quest Into Final Cut Pro Audio Analysis
Post Views: 87 If you already live and breathe audio analysis, feel free to skip this bit and go straight to the tale of plugin architecture, notarization and mild host-induced despair. A spectrogram is a way of visualising sound over time. Instead of just showing amplitude, like a waveform does, it shows: So rather than…
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Project sEVen Pt9: Traction DC2DC converter Bring Up
Project sEVen update covering traction DC-DC converter bring-up, high-voltage testing, low-voltage integration, CAN bus work, and the Caterham EV testbench.
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project sEVen Jan26 Update Short
Post Views: 66 Quick update video. Just getting the test bench set up. Lots is going to change in the next few weeks.
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Project sEVen Update Feb26 Short
Post Views: 72 Brusa BDC668 traction DC2DC converter working on the bench. A quick update on progress with my Project sEVen test bench. As I build up the system to eventually get my motor spinning on the bench, today I get as far as running up the Brusa BDC668 to do a DC to DC…
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GVRET and BDC668 Dissectors for Wireshark
Technical notes on GVRET and BDC668 Wireshark dissectors, using CAN bus tooling to inspect and understand Project sEVen diagnostic and power-electronics data.
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ESP32RET on an Adafruit ESP32-S3 TFT
Post Views: 193 Well, this was another one of those rabbit hole projects. I’d got myself a home grown CANbus sniffer that talked in the Lawicel format to SavvyCan and allowed me to sniff CANbus data reasonably reliably. BUT, I had to be connected to the sniffer over a serial interface and that was becoming…
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Debugging the ZombieVerter WebInterface
Post Views: 192 This post is going to be: I’ll probably do a video about all of this soon, because there’s way more to see than I can realistically add as images to this post. The link to the video will appear here if I get around to it. But if you’re in the market…
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Project sEVen pt8: Custom Gearbox Assembly – YOUTUBE VIDEO
Project sEVen gearbox assembly video covering the custom gearbox work, mechanical packaging decisions, and drivetrain context for the Caterham electric conversion.
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Project sEven pt7 : Q&A and Weekly Updates
Project sEVen Q&A and weekly update video covering the mission, project feasibility, recent progress, and viewer questions around the Caterham EV conversion.
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Caterham SV Prop-Shaft Scan
Post Views: 61 The next in the list of things I’ve scanned is the prop-shaft from a Caterham Seven SV. It’s taken me a couple of years to get around to extracting this from the EV project car, but I need a model now to verify the CAD for the gearbox that’s being designed.

