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DIY Incubator Egg Turner
After a recent disaster when a broody chicken stopped being broody before the eggs hatched, I’ve decided to build a fully automated incubator. The incubator will include: Temperature Control Humidity Control Automatic Egg Turning The first step was…
Read More »Reading data from a Sensirion SHT1x with a Raspberry Pi
Note: An updated version of my code is available at /2012/11/update-reading-data-from-a-sensirion-sht1x-with-a-raspberry-pi/ The Sensirion SHT1x range of sensors provide a rather convenient way to accurately measure Temperature and Relative Humidity. They aren’t the cheapest sensors as they typically sell…
Read More »Reading data from a Bosch BMP085 with a Raspberry Pi
Update(2): I’ve fixed some reported bugs in this code. Please use the newer version here. Update: If the LM Sensors website is still down, you can get smbus.c and smbus.h from here. I needed a way to measure…
Read More »La Crosse TX20 Anemometer Communication Protocol
After a LOT of investigation of the La Crosse TX20, I’ve managed to fully decode the complete datagram from the La Crosse TX20 INCLUDING the Checksum. Here’s everything you’ll ever want to know about the pin out and…
Read More »More information found on Violet Wand
I’ve managed to find some very useful information on a Violet Ray design through the Google Patents website. The patent number is 1506344. The link to the patent is http://www.google.com/patents?q=1506344. This patent isn’t for the model I’m trying…
Read More »First look at the insides of the Violet Wand
With the lower cover removed, it becomes clear that the internals of this Violet wand are very similar to the Master brand unit. This should make it a lot easier to find problems than blind investigation. The intensity…
Read More »Disassembling a Violet Wand
The first step to any repair is getting into the guts of the device…. primarily without damaging it. There is very little information on the web about the internals of these devices. It looks very similar to the…
Read More »Repairing a Violet Wand
I’ve been asked to take a look at a non-functioning Violet Wand in the hope that I can repair it back to working order. These devices have many uses from being used as Quack Medical devices, through to…
Read More »СБМ20 / CBM20 Geiger Müller Tube specifications
I managed to find out some information on the СБМ20 Geiger Müller Tube. I tracked down the following image on Google Image Search… With the help of a Russian speaking coworker, I was able to find out the…
Read More »A working Geiger Counter
I managed to get the Geiger counter kitset working. I believe it was a problem with the high voltage leaking through some flux. Either way, a good cleanup around my solder joints seemed to fix the problem. The…
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