Application to create and test Lotto systems
Windows application that builds lottery systems and back-tests them, against either historical draws or tens of thousands of generated ones, scoring the results against a prize table.
Hobby
Things built for the pleasure of building them, and occasionally because nothing on sale did the job.
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PC fan controller
The deNoizer: a stand-alone controller for six fans and six temperature sensors on an AVR ATmega16. More fans, run slower, far less noise — USB is only there to configure it.
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Converting Toyota Prius to plug in HEV
Centralised battery monitoring for a plug-in Prius conversion: up to 79 cells, temperature inputs, two CAN buses, charge management and WiFi — and 40 to 60 km on electric alone.
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Electric vehicle controller
An integrated controller for petrol-to-electric conversions, taken through several prototypes to a first PCB run, then shelved in favour of the Prius plug-in conversion.
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SimCom intercom for flight simulators
SimCom Mark I: a hardware intercom for networked flight simulators, with a noise generator for radio interference. Built because software voice chat would have eaten the 600 K the simulator needed out of 640.
