Welcome to the Purplemeanie blog of our Caterham journey. We hope you enjoy our trials and tribulations during and after the build. Please leave us a comment and tell us what you think.
Where to Start
The latest project from the Purplemeanie HQ is to have a go at converting a Seven to be an electric vehicle (EV). Follow the project here.
For my most popular video take a look at “Build a Caterham 420R in 30 minutes“
For more reading…
- If you want join us on the journey from the beginning then take a look at this post: Build Blog Index
- If you’d like to see a bit about us then please take a look at our About page.
- If you just want to skip to the latest news then take a look at the Blog.
- We’ve also put a Gallery together if that’s your thing.
- If videos are your thing then take a look at what we’ve posted to YouTube: YouTube Videos
- If my ramblings aren’t enough for you then you can find a whole different bunch of other blogs in this post here.
- … and some might like to jump to my tools and trinkets here.
Latest Posts
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Spectrogram: An Agentic Coding Side Quest Into Final Cut Pro Audio Analysis
Post Views: 76 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
Post Views: 51 Another video out… Project Update Well I didn’t kill myself, that’s always a bonus! In fact I didn’t get anywhere near… yet! This post is a bit late, I wrote it a few weeks ago but didn’t finish it off… but here it is now 🙂 This is where things start to…
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project sEVen Jan26 Update Short
Post Views: 63 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: 70 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: 174 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: 178 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
Post Views: 95 Well that didn’t go quite to plan. I was hoping to take just a couple of days on this video, but in the end it was 10 or so. And therefore little progress on the actual EV project… Grrr! I started out with one intention but then realised the video didn’t make…