Solar Hot Water data logging
After the solar hot water system was installed, the installer showed me how I could go to the controller and see the temperatures at the collectors and two different positions in the water tank....
Category: news
Oscilloscope Music
Giving the XY mode of my GwInstek GDS-1022 digital oscilloscope a go with Jerobeam Fenderson demo oscilloscope music track. Love it! Not quite as good as through an analog scope, but not bad! Music...
Masska nixie display
A client approached me to make a nixie clock and while perusing my website saw my Four Letter Word display using B-7971 nixie tubes. He asked if I could make one but have it...
Wemos temperature sensors
Finished the temperature sensors which I now have around the house. Used a protoshield for the Wemos D1 mini with the DS18B20 digital temperature sensor. Power is supplied via a powerbank which has two...
LCD monitor repair
Opened up an older 19″ LCD monitor that was turning itself off after running for a short amount of time. Got to the power supply board and found these bulging electrolytic capacitors. Sure sign...
A.J. William “voltnix” nixie clock
I was contacted by a client asking if I could make a nixie clock in a voltmeter case they had. Depending on the size of the case and the opening of the meter...
Vane Nixie Clock
I haven’t come across many white multimeter cases before, it’s a different look! Think it still works well as a nixie clock. Clock and tube PCB’s for the tubehobby microprocessor were used and IN-14 nixie tubes...
VFD approximate clock
This is a clock that shows you the time more like you would say it, not the exact time. So when it is 10:38am, it will show you “it’s twenty minutes to eleven” on...
Buchanan Nixie Clock
One thing I love about this original multimeter is the hand made nature of it. All of the labelling has been engraved by hand and painted white. The maker even engraved his name in the...
