Search results

  1. ante1

    Little help please!

    Hi Audioguru, There is not always a switch just two sockets on the side of the apparatus, it all comes down to the human factor here. 8) So, you are looking down the barrel of a bottle today? Well I hope your face is still happy anyway. ;D ;D Since you haven't seen any, I can tell you the...
  2. ante1

    PC Chart Recorder

    Hi Oli, Sorry, that wasn
  3. ante1

    Little help please!

    Stuee, Audioguru, Many handhelds both scanners and two way radios have there charger circuit built in but some of them also have different input connectors for power and charge. There is another inexpensive regulator the LM7807 that should be considered here as an alternative.
  4. ante1

    Led display Digital Voltmeter question

    Hi Audioguru, Well, since the girl wants to measure the output voltage from a power supply I think it
  5. ante1

    Little help please!

    Stuee, As long as the voltage is correct and the available current is higher than what you need it
  6. ante1

    Triac help

    Adam, The Rin resistor is the series resistor for the LED inside the opto. If you have 12 Volts input (vcc) a 390ohm 0.25W resistor will work. For the rest of the resistors use 0.5W or higher. Always be careful with mains, don
  7. ante1

    CFL Inverter

    Hi Rhonn, I would suggest a transformer 230 to 2 X 9 Volts and a wattage corresponding to the load.
  8. ante1

    Led display Digital Voltmeter question

    This is an instrument rectifier. It
  9. ante1

    I need a push button switch

    Semdomcr, If you are using this circuit in a car I recommend a diode between 85 and 86 to protect the
  10. ante1

    Led display Digital Voltmeter question

    You need an instrument rectifier.
  11. ante1

    PC Chart Recorder

    Yes ;D
  12. ante1

    Schematics Variable current 12v 60A to 0A

    Absolutely right, I am glad that you have realized what
  13. ante1

    Schematics Variable current 12v 60A to 0A

    Hi Dazza, Well, you have to post pictures of the developing pressure transmitter for my approval of course! This is necessary since I don
  14. ante1

    LEDs

    Audioguru, Whats wrong with this sentence? (
  15. ante1

    Playing with hydrogen

    Hi Steven, Oh, I see. Do you use plain tap water with no additives? Does it really conduct well enough to produce hydrogen? What voltages do you use and what current does it draw? What about the diode electrodes, do they corrode and disappear or can they withstand this for any length of time...
  16. ante1

    Making basic test equipment, need help.

    Dazza, Have you got any MOSFET tester circuit, or are you building just one at a time? Here is some stuff to look at: http://www.geocities.com/yukselesen/mosfet_tester_project.htm And here is another:
  17. ante1

    Playing with hydrogen

    Hi Steven, Nice work Steven. I just want to ask you what do you mean when you mention
  18. ante1

    voltage divider for AC

    Hi Ian, I experimented some time ago with a variable power supply based on a triac-controlled transformer. I tried this curse I wanted to avoid the heat losses created by the voltage drop over the power transistors. A feedback loop secured a constant 8 Volt drop and minimized the heat. It...
  19. ante1

    Triac help

    Adam, The filament is not very inductive, consider it as an resistive load. You can omit the extra gate at pin 2 just connect pin 2 to neg on your timer circuit. The capacitor should be rated 250VAC. I understand why your relay is broken, a one second on off time will kill any relay quite fast...
  20. ante1

    detailed matter of ICs

    They are all easy to find with the good help of Google!
Top