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Tinker Bell -The doorbell you'll like to hear !
Tinker Bell.jpgDescription: My wife asked me to design a door bell for our new house.But wait, I don't want a old classical sound ("ding dong" like we say in french...) ; the bell if often the first...
View ArticlePrototype nearly finished
Looks quite good, still some work to do, like wiring the rotary switches.As expected there's always some tweaking to do on the PCB, some unexpected things like wrong dimensions in the datasheet of the...
View ArticleCould you interlace the pixels?
Just read the first installment in the magazine - cool project, congratulations!Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 otherYou have to be logged in to open attachments...
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HPDisk - An SD-based disk emulator for GPIB instruments and computers
hp1631DandSD.jpgDescription: Fancy being able to store the data from your old HP163xx analyser? Or your Spectrum Analyzer? Or pretty much any old GPIB-instrument that supports a GPIB-Based disk? Or...
View ArticleMIDI CC codes
I can think of two ways to implement MIDI CC codes to dFORMANT:One method is to change the format of the bytes sent by the control module to all other modules. It is not much work, as data travel...
View ArticleUseful links
I had great help from the very extensive documentation available at The HPDrive Project (http://www.hp9845.net/9845/projects/hpdrive/). There is a ton of good information available on that site, and...
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Android Gamepad - Turn your cell phone into a powerful games console
DSC05901m.JPGDescription: Smartphones have become powerful enough to make your Nintendo DS or PSVita almost useless... However, they all suffer from a big lack : tactile controls.Attachments: 1 photos...
View ArticleUpdated schematic
Corrected one error: Crystal is 8MHz. a 4x PLL yields a clockspeed of 32MHzAdded two LEDs for status indicationAttachments: 0 photos | 1 schematics | 0 PCB(s) | 0 software files | 0 otherYou have to...
View ArticleFrom the lab, a first glance
The biggest problem seems to be the virtual ground (node R25/R16 and R35/R34). Except for the input decoupling the whole tone control circuit through the volume control and gate of the valve is...
View Articledouble 12 horn top
see attachmentAttachments: 1 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9131100000
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Arduino-16-Bit-Low-Frequency-Datalogger
datalogger_1.jpgDescription: (English version see end of this text)Fertig entwickelte Hard-und Software zum Speichern von Frequenzen von 0 bis 50 Hz inklusive FFT-vs-Time-Analyse und...
View ArticleCapsense & Power line communications
Hello Bobbylebob, Interesting project.What will be used for Capsense button? I have used Cypress dedicated ICs and Atmel's QTouch library for CapSense purposes. Both works well.Are you planning to use...
View ArticleI'm very interested!
By the way, my name is Kenneth Ogle. You all can call me Ken if you want.This project is right in the direction I had decided to go as soon as I could finish getting my lab/electronics work area...
View ArticleQuestion for project author, hpt
hpt, I noticed the dates on some of the posts here, and that this project seemed to be about a year-and-a-half old.Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other...
View ArticleAnother approach
p, li { white-space: pre-wrap; }Hi,Attachments: 1 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9131103708 read more
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2s Lipo Charger From USB
default_project.jpgDescription: A portable electronic device that I was designing used 2 lipo cells in series for power. i needed and inbuilt charger for these batteries and wanted to use USB since the...
View ArticleAdd WiFi
Hi David,Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9131200000 read more
View ArticleMechanical aspects
Hi bobbylebob,Attachments: 0 photos | 0 schematics | 0 PCB(s) | 0 software files | 0 other 9131200000 read more
View ArticleHi-end audio on youtube?
Hello Thijs,You talk about high-quality audio. Then why do you point to Youtube videos for reference? Don't you have any more serious sound material?Regards,Clemens Attachments: 0 photos | 0...
View Article1994 article
Here is the 1994 article in Dutch. I couldn't find PDFs in other languages, but they must be somewhere. Note that we do not have the source code for this 1994 project.Regards,ClemensAttachments: 0...
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