Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Recent content by mdamdam

  1. M

    looking for flat panel maker in small quantities...

    Hi all, I need to make a flat panel with switches. My first try was with a lexan 100µ film and tact switches behind. I have some problem because the lexan is too rigid and sometime the swich do not "come back" ( it stay "on" position ) Do you know some company that could do flat panel front...
  2. M

    need info micro-controler to printer managment

    Hi all, I have to print to a RS232 printer from a µcontroler, Ok it quite as easy as writing to serial... but a need some info on managing "out of paper", "end of page", buffer ..... does someone have a code sample about that ? I also appreciate info on printig to // printer but with IOs thanx
  3. M

    request info on SMD soldering oven

    If someone had info or experience on SMD soldering oven. I'll appreciate. I am curently using a classic soldering Iron quite succesfully , but would like to know if reflow oven or air soldering machine are better ? It is only for prototyping and small production. Thanx MDamdam
  4. M

    Looking for GCode specification

    I plan to make a µControled stepper driver for 3axis cnc machine ( plasma cutter ). Does anybody knows where to find GCode specification ? There is many "old designed" board based on parallel PC port + dos based software. I would like to make an RS232 ( -> USB ) linked with GCode interpreter...
  5. M

    How to build a precision 0-50g balance

    Thanks all, those circuits are intersting but my main problem is to find small sensors in the range of 0-50g ... Most of time I find load cells for a range of min 0-5Kg .... difficult to achieve the 0.1g in this case :? I have heard about piezo devices principle but cannot find the...
  6. M

    How to build a precision 0-50g balance

    build a balance piezo Hi all, I am looking for infos about building an electronic weighing machine. I dont know the principle used on small letter balance ? Is it based on strain gauges, piezo, resonnant device ??? Where can i find sensor for weighing small devices of approx D=3cm and 25g...
  7. M

    Companies which offer online free sample ordering

    free avr samples Hi all, I recently asked for Coilcraft inductrors samples, i recieved an auto-reply mail to tell me that it was OK ... but received nothing.. I am in Europa, did somone here have a positive or negative experience with them ? I am a design engeener, I remember, 20 years ago...
  8. M

    How can I measure the speed of a moving vehicle from within?

    Speed measurement the only working solution is doppler microwave radar. It is easyer than you can imagine, you only need a CW source and a receiving antenna ( cone for example ). Adding source and received signal will give you a frequency in the Hz..kHz domain: easy to manage...
  9. M

    I search a small I2C printer ( interface )

    the problem is that I can only use I2C : only SCL and SDA wires can go out of my µC PCB .... If I can not find an already existing application, I'll use a // printer and a standard I/O for I2C. mdamdam
  10. M

    I search a small I2C printer ( interface )

    Hi all, I am searching a small printer for printing Ascii from a µC. The goal is to print small log files. I only have I2C port available. Do you know an existing application ( intefacce or small printer like cashpoint ). Thanks mdamdam
  11. M

    how to read the binary value of a floating point ?

    I am working in Delphi, I need to convert a 4 byte floating point number ( single ) into the 4 variable of one byte. example: var i : single; i1,i2,i3,i4 : byte; begin i:=15; ... // in memory i= $41 70 00 00 in IEEE 4 byte format how can I convert i to i1=$41 , i2 = $70, i3=$00...
  12. M

    How to make a high voltage generator that uses a battery?

    Re: High Voltage Generator Take a look at Emco modules **broken link removed** not cheap buy easy and performing. Damdam
  13. M

    idea for printing frontplate with Epson 950 ?

    Yes, it will be amasing to fing a plastic with the same coating...
  14. M

    need to measure wood humidity, is it a matter of resistance?

    Yes, Professionals uses resistive measurement for humidity in wood. ( also in wall for detecting water leak ) MDamdam
  15. M

    idea for printing frontplate with Epson 950 ?

    Hi all, The Epson 950 cost 350€ and can print on CDs and on other flat support up to 2.5mm thick. Who have an idea or experience of material ( plastic ) rugged enough to be printed and flexible enough to make a flat keypad ? It will be a pretty solution for protoypes ! MDamdam

Part and Inventory Search

Back
Top