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Text of the page (random words):
ronald s electronic project site i always enjoy visiting other people s electronic project sites so i thought why not make my own project site besides showing to others the things i have made these pages also serve as documentation for myself the projects you find here are all fully functional and are extensively documented including the software you may copy it distribute it or sell it as far as i am concerned but never hold me responsible for possible accidents injuries or any other disasters frequently asked questions and their answers related to nixie clocks and other display devices an index to my pages nixie clock projects flyback converters for dummies a simple flyback converter high voltage power supply for nixie tubes nixie i a nixie clock using 6 zm1030 tubes mixed signal led clock a digital clock with an analog face nixie ii a talking nixie alarm clock this nixie alarm clock will wake you up with a personal wake up message or sound a wav file stored in eprom is played using only a few counters and a da converter numitron clock with battery back up a nice small numitron clock with a battery back up that keeps it running when the clock is disconnected from the mains it uses a 12f675 pic controller with a 32 768 khz crystal connected to timer1 a e1t decade scaler tube raised from the dead the e1t decade scaler tube is very elegant counting tube used in the fiftees before the digital revolution in my current project i have brought an old e1t tube back to life and have it counting again if you have one of these tubes and you have no use for them please send me an e mail i would love to make a clock out of them decatron clock project instead of first finishing a project and than writing a web page on it this page reports on the progress on my current project in a web log style a single digit nixie clock for my son geert a simple nixie clock with fading digit and ambi light the high voltage for the nixie tube is directly derived from the mains so be careful one digit e1t clock a simple clock with a remarkable tube in this clock the e1t is controlled by a moderns pic microcontroller using a very simple interface be careful the anode voltage of the e1t is derived directly derived from the mains tube in tube clock a simple minimal component count single digit nixie clock that fits into a glass test tube now with pcb ring counter variations everything you always wanted to know about neon ring counters a must for every neon enthousiast zm1003 development sample does anybody have more information about this very rare tube a meter clock for eugene a simple clock that uses a set of analog meters to display the time with ambilight a nice and small project to do something useful with your old meters on a rainy sunday afternoon the utracer my tube curve tracer project sequel the µtracer a miniature tube curve tracer this miniature tube curve tracer uses pulsed measurements to measure the i v curves of radio tubes due to this special construction the high voltages can be generated with a tiny boost converters eliminating the need for heavy power supplies the project is presented in the form of a web log the µtracer v2 a miniature tube curve tracer project build a tube curve tracer for less than 50 euro this page is a project description of the utracer circuit developed in the previous page the µtracer v3 a sequel to the µtracer v2 weblog after building the original µtracer it is my plan to introduce new features and improvements in this new weblog page the progress is recorded for my own reference and documentation and for anybody else who is interested the µtracer v3 project summary and sales page as a result of many requests from readers of my µtracer v3 weblog page i have made a kit for this project this page summarizes the project and gives details about the kit other projects µscope dutch version ongetwijfeld s werelds kleinste en simpelste oscilloscoop een 8 pins pic processor sampled de analoge ingang en genereert een video signaal dat de golfvorm op een normale televisie laat zien µscope english version undoubtedly s worlds smallest and simplest oscilloscope an 8 pins pic processor samples the analog input signal and generates a pal video signal which shows the waveform on a normal television set µpong play the classic pong game again on your tv using only one 8 pin pic processor in system programmer for the p89c51rx2 this page describes the in system programmer hardware and software used to program the p89c51rx2 processor used in the nixie i clock sc mp revisited nostalgia from the seventies for everybody who has an old sc mp ins8060 processor lying around why not re live your first steps in micro computers and build this retronic sc mp computer running the nibl tiny basic interpreter colored leds for jan verhoeven s farewell present a simple pic program that produces a series a slowly fading and changing random colors in a three color led it can be used as a stand alone gadget or you can run it in the back ground to liven up your pic application a tiny 80 c 31 basic board a tiny but powerful stand alone basic computer based on the 8031 8051 8052 processor includes an extensive overview of all mcs basic 52 dialects for this processor two lamp over one wire circuit an elegant circuit that can switch between two lamps without the need to add a new mains wire a page primarily written for myself for sentimental reasons restauration of a p87bq receiver during a holiday to the south coast of britain i found a fantastic pye p87bq battery receiver i bought it a a souvenir of the delightful village of old hastings an account of the restauration and a study of the development of battery tubes at mullard philips implementing a delay in a pic program a closer look at how arbitrary delays in a pic assembly program can be implemented a bit of maths and excel but no hardware a simple method to measure unknown inductors a simple and quick way to measure the inductance of an unknown power inductor provided you have a function generator and an oscilloscope an electronic 90v anode plate battery a power inverter which emulates a 90v plate battery for vintage battery tube receivers special attention has been paid to elliminate any rf interference normally associated with dc dc converters the project is presented in the form of a web log history of electronics projects the making of the e1t the e1t scaler tube who were the people who invented it where was it developed and produced a search into the history of a fascinating tube the adventures of radio bob an impression of the post war electronics hobby scene in holland dominated by amroh and radio bulletin the making of the z550m zm1050 who invented it where was it researched and how was it developed into a product a search into the history of a rather obscure tube the importance of the emergency landing of a german seaplane in 1917 for the early development of philips research christmas colloquium philips research 18th of december 2009 the ef50 the tube that helped to win the war the history of a pioneering tube that was developed by philips research and that hours before holland was invaded made its escape to britain where it played an important role in radar a story of history people and technology the eq40 and eq80 a tube with nine electrodes the enneode the history working and application of a tube with no less than 7 grids researched and written by my good friend pieter hooijmans the eraly history of television at philips another in depth investigation by pieter hooijmans this time on the development of television at philips click here for part two various stuff tantes testament een legendarisch verhaal uit radio bulletin artificial ball lightning produced in the laboratory an experiment by martijn pascal and myself to create ball lightning from high current discharges in silicon download section itt nixie application note and e1t decade counter tube note if you like these pages or not why not let me know 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