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  1. jmmendicoa

    high voltage probe (0-30kv)

    Hi ,does anybody knows a project for building a High Voltage Probe from 0 to 30 Kv . I will apreciate if send the project to me
  2. jmmendicoa

    lead acid batery charger

    Finnily i will use a small transformer and with a LM-317 ,i will fixed the output for a 6.88 vdc (with out the batery). Thanks to all the comunity for the answers .I  learned a lot off. Thanks for all of you.(I will use the trikle method for chargin a ni-cad cell. jose mendicoa al. venezuela...
  3. jmmendicoa

    lead acid batery charger

    transformerless because i want to make simple,just like an emergency lamp ,it does charge the batery 24 hours a day,with a very slow rate of charge,in case the power goes off,the batery will suply the 6 vdc for the circuit (it is not a lamp). I know HOW to get a full charge ,it must give up 2.35...
  4. jmmendicoa

    lead acid batery charger

    I need to charge a 6volts 4amps lead acid batery ,it will be charging all the time and the circuit must operate with 120 vac ,the charger must not use  a transformer,any idea where to go for the squema. Jose Mendicoa Valencia  Venezuela [email protected] Thanks
  5. jmmendicoa

    virtual scope dont show the wave-form

    I have a digital multimeter with PC interface(rs232) RADIO SHACK 22-812 conected to the PC works fine,it measure frecuency,ac volts,dc volts resistance,capacitance,temperatue ,digtal meter,analog meter,the only thing that i have not be able to see on the scope is the ac volts wave -form.FOR...
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