February 1, 2019

Despite the fact that I have nothing to really show for a day spent at the sprint I was busy all day.   I spent until most of my day with documentation, really useful to do but somehow I don’t feel that I have been productive. In addition I did bit of tinkering here, clean […]

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January 31, 2019

Today has mostly been spent in conversation. Jonathan has started to scratch an itch that I share, we need a better tally light solution.  When we were using DV switch we had a simple tally light system using (iirc DTR on a) serial port to turn on or off an LED.  This was fine because […]

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August 3, 2018

We want to be able to record the temperature of the outside air for our weather station. We can do this using a Thermistor.  This is a resistor that changes resistance relative to its temperature.  Unfortunately we are unable to measure resistance directly, we can however measure a voltage. Consider the circuit below: ____ Vcc […]

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August 3, 2018

This summer’s project we (Isy Simpkins, Alys George, Andy Simpkins) intend to build a weather station. The project can be split into various sections and today we decided the scope of the project. Initially we decided what we want to measure: Temperature Humidity Precipitation Wind speed and direction Light Air pressure We’ve also decided that […]

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June 17, 2016

Last weekend saw us attend our 2nd Build It Live home building show, this time in Bicester, Oxfordshire.  We went along having pretty much decided that since the turn key builder we had identified had fallen through, we would have to go it alone, and werte looking for CAD packages that could help us. There […]

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May 18, 2016

Last weekend saw a small group get togeather in Cambridge to hack on the OpenTAC.  OpenTAC is an OpenHardware OpenSoftware test platform, designed specificly to aid automated testing and continious intergration. Aimed at small / mobile / embedded targets OpenTAC v1 provides all of the  support infrastructure to drive up to 8 DUTs (Device Under […]

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