https://kitsune-denshi.net/ 2026-04-25T11:43:54+00:00 https://kitsune-denshi.net/ https://kitsune-denshi.net/_media/wiki:logo.png text/html 2016-02-10T21:14:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:advent?rev=1455138880&do=diff Luminous Advent Calendar Lovely LEDs in most of the colours of the rainbow. Introduction Who doesn't like advent calendars? Even if one doesn't celebrate Christmas or tries to shield oneself from the festive season as much as possible, there is something special about advent calendars. I think it's the counting down towards an arbitrary goal, a new surprise (maybe chocolate!) every day and of course the objectification of anticipation. A bit like obsessively following the tracking informati… text/html 2016-12-11T19:23:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:advent2016?rev=1481484232&do=diff 2016 Electronic Advent Calendar Introduction Last year I built an electronic advent calendar. Whilst I quite liked it, there were a few downsides with it. For instance, it looked hacked together (which it was) and since it was using a microcontroller, it also invited pranksters to find bugs and try to break it. Most serious, however, is the fact that one only had to push a button to advance a day, which really didn't feel right. Advent calendars are supposed to require some manual activity!$\f… text/html 2016-01-26T21:10:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:bodge-clock?rev=1453842632&do=diff Bodge Clock Introduction What do you get when you combine a 7-segment bubble LED display from an old calculator, a battery holder, a microcontroller, a handful of assorted components, bare wire, and hold everything together through the liberal application of super glue? Answer: text/html 2021-03-21T09:35:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:display-if?rev=1616319348&do=diff Agilent / Keysight U1273A Display Interface Adapter Introduction I was an early adopter of the (back then) Agilent OLED multimeters and have owned a U1273A for many years now. It didn't see too much use recently, so I was mortified to find the display had spontaneously died on my unit. Well, not exactly died, but gotten so dim that it could only be read in complete darkness. It seems to be a reasonably common problem with these and similar meters, and there are plenty of stories on the interne… text/html 2016-04-06T12:45:42+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:load?rev=1459946742&do=diff Electronic Load (Quick and Dirty) Introduction Sometimes one finds the need to provide a constant current load to a device under test (e.g. a power supply). Quite often a resistor is sufficient, but there are cases when the load current should be kept constant, even the voltage is varying. In such cases, an electronic load which can act as a constant current sink is usually used. Despite the fact that electronic loads are now available from China at low, low prices, some people are still too c… text/html 2017-06-10T15:41:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:start?rev=1497109280&do=diff Projects text/html 2016-02-03T15:34:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:sysmon?rev=1454513644&do=diff USB System Monitor Introduction Some people like to fill the notification area of their GUI with all kinds of widgets that show them their CPU utilisation, memory usage, fan speed, network throughput, disk temperature and other information of dubious value in real time. text/html 2020-05-31T14:32:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://kitsune-denshi.net/projects:tek222bat?rev=1590935534&do=diff Tektronix 222 Battery Pack For those of you interested in a multimedia audio-visual experience, there is a little overview video of the battery pack on youtube here. If you would like to buy a ready-made replacement battery unit based on this design, N0DY Electronics is building and selling them