There has been a flurry of activity on the Debian mailing lists ever since Steve McIntyre raised the issue of including non-free firmware as part of official Debian installation images. Firstly I should point out that I am in complete agreement with Steve’s proposal to include non-free firmware as part of an installation image. Likewise […]
Category: Open Hardware
February 11, 2019
andy
I can save £0.40 per device if I move from the ATMEGA328P to an ATMEGA328PB, given that I am expecting to use around 4000 of these microcontrollers a year this looks like a no brainer decision to me… The ATMEGA328P has been around for a few years now and I did check that the device […]
August 3, 2018
andy
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 […]
Summer Project – Weather Station
Debian ,FLOSS ,Open Hardware ,Projects ,Uncategorized ,Weather StationAugust 3, 2018
andy
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 […]
June 21, 2016
andy
As part of a wider project I have been looking at how to reuse the keyboards found on Thinkpad laptops. The connector for these is no longer available (at least not in small quantities), however the Molex SlimStack range appears to be a compatible fit. I was unable to find a simple breakout board for this series […]