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We have a 40X2 based speed controller for an electric car which also sends several variables to a serial LCD and an Openlog datalogger. We now wish to add a GPS module but the 40X2 is already very busy and we don't want to slow down its control of the critical processes it runs. The idea is to...

I'm working on a combined motor/CVT controller and datalogger. The unit works very well but with one exception, the PWM is unintentionally turned off at regular intervals which seem to coincide with part of the program that manipulates data then sends it to an LCD and datalogger. I realise some...

I'm building a combined speed controller, driver display and datalogger for an electric car using a 40x2 picaxe chip as the processor. The 40x2 provides a PWM output to the speed controller and adjusts it so that a predefined current set on a rotary pot is maintained. It also sends raw data from...

Has anyone tried using the PNS connected to mobile broadband? Possibly by using one of these http://www.broadband.co.uk/mobile-broadband/routers/ We currently use an "off the shelf" datalogging telemetry system on an electric racing car, the communication part of the system is via Xbee Pro...

I'm completely new to Picaxe but was hoping to use it for the following project. I'm assisting with the build of a small electric vehicle for racing (greenpower, seems to crop up on here quite often) and it will be fitted with a constantly variable transmission. The idea is to use picaxe to...