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Category Archives: Electronics
The Utopian and Dystopian Future of Vibe Coding.
Lets face it, being an expert in a particular programming language is coming to an end. In the past two months I have used my usual languages, C, SQL and Pascal, ones that I guess I am kind of “expert” … Continue reading
Flip, Flap, Flop! – Solari Fix.
About 13 years ago, before this web site, and back when I used to be called boznz.com, I put out a simple project to reverse engineer some soft-flap display units (brand-name Solari). My clients CEO had bought 20 of them … Continue reading
On-Time and Under-Budget. Where some IT projects are Probably Going Wrong.
This will be a short post, and not technical like my usual ones, it is about many of the seemingly hundreds of failed IT projects out there, where companies have been let down by the big IT companies and consultants. … Continue reading
Yet another boring small project (with an interesting back-story)
As I sit at my desk in the clients winery, “working” vintage support, (a job where I mostly feel like Dumbo’s feather, ie a prop that gives the company confidence everything will be great, where as in reality I do … Continue reading
Das Blinkenlights (mit RP2040!)
Got my updated design back from JLPCB on Friday and this morning decided to test them and have a go at programming them. While I have done a hardware RP2040 design for a customer before I have never actually gotten … Continue reading
2025, My Final Vintage and Open For New Business
Fran, Allison and Me by the Wineries Continuous Floatation System March 2025 I developed the original Bulls-i winery management program for Indevin Ltd back in 2008 when they were just a small winery based in a single site in Blenheim, … Continue reading
Industrial Display
Recently required some large character displays for displaying of a 4,5 and 6 digit number behind a customised dashboard prominently displayed in several locations in the factory, the digit must be readable from very far away and needed to be … Continue reading
USB Real-Time Clock for Raspberry Pi, etc
Unlike a PC the Raspberry Pi does not come with any sort real time clock. Usually this is not a problem as it is connected to the Internet and a simple poll of one of the many clock sources will … Continue reading
Encryption for very low data rate embedded systems
If your latest IOT project needs to run on batteries for a few years and you need to send some important data over the airwaves or across a serial line then you are in a bit of a poor situation … Continue reading
Lora Data Collection Terminal
Not really designed for manufacture, but the final version of this device is quite easy to assemble and doesn’t look too embarrassing for a low volume unit. Design files are here => EasyEDA The only change I may be making … Continue reading
PT100 Control Board for Raspberry Pi. Completed!
I have recently completed this project. It has the same specification as the previous post however a few improvements have been made in light of new information. The board is intended to accurately control the temperatures of 4 wine tanks … Continue reading
Raspberry Pi PT100 temperature sensor and control board
I am currently working on a small Project for David at Wine Technologies (vinwizard.us) to replace an older proprietary temperature control PLC. David decided he would like to use a Raspberry Pi due to the fact it is very powerful, … Continue reading