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Discussion Title Created date
Overflow interrupt for 1hz
Hi, I need to have 1hz timer1 overflow interrupt, the problem is I don't know to calculate this for a very good acuracity. I had try with a 16MHz MCU clock void TimerInit(...
Friday, 3 September 2010 - 23:56
2 new AVR Project on my web site
Hi, Just to let you know that I had add 2 new project on my web site, One Nixie tube clock and one oscilloscope (hold heatkit tube) clock. you can check at www.microsyl.com
Tuesday, 6 October 2009 - 12:59
Switching powersupply with MAX1771 problem
Hi, I work on a project where I need +220VDC from +12VDC I had mount a circuit with a MAX1771, it's work but I have 50V of ripple,... I had try with inductor from 47uH to...
Friday, 7 August 2009 - 18:37
Desesperate problem with my O-Scope Clock
Hi, I wish you will give me some things to try I'm out of idea. I had build a clock with a old round O-Scope tube. The brightness, focus, astigmat, blanking work, I can...
Thursday, 14 May 2009 - 02:21
Transistor amplifier question
Hi, My knowleadge with transistor is miminum I need to have a diferential output from 0v to 400v (that could be 50v to 350v from a signal at 0v to 5v. My question is who can...
Tuesday, 28 April 2009 - 16:03
Date (day-month-year) calculation
Hi, Is there some one who want to share is code to make a date calendar calculation. In my project I have a function who calculate the time via a 32khz xtal and now I want to...
Thursday, 23 April 2009 - 13:22
OscilloScope Clock
Hi, I'm trying to build a clock with a very old round O-Scope. My knowleage in CRT is minimum. Normaly the deflection plate varie from +100 to +400 "in this old scope" Did...
Tuesday, 31 March 2009 - 02:46
Crystal filter question
Hi, I have a project that need to amplify by x10 the incoming signal only at 120khz. It must be very small is there something to do with a opamp and xtal? any idee will be...
Wednesday, 4 February 2009 - 00:48
New project on my web site www.microsyl.com
Hi, If you are interested, I just finish a light dimmer with a XBee RF network interface. That's the first 100$ light dimmer of all time! so www.microsyl.com under XBee light...
Tuesday, 2 December 2008 - 04:05
Laser diode question
Hi, Since 3 month I play with laser diode and I had burn a couple of those so I decide to buy from hong kong 2 laser pen, one 100mw who pop baloon and one 5mw who pop nothing...
Tuesday, 2 December 2008 - 03:09
3D engine for my M32
Hi, I want to add 3D function to my laser projector, the problem is that my Math knowleage is only good for + - * / In fact I need a very light 3D engine to make a cube or a...
Tuesday, 25 November 2008 - 01:09
Laser projecter project done
Hi, Since couple of month I was working of a Laser projector project. Now it`s finish. I had done a video of the project if you are interested you just have to go : http://www...
Thursday, 6 November 2008 - 17:55

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