Search results

  1. Mhz1

    Building a Variable Frequency Emmiter.. HOW HARD?

    Hello, I have the need to build a frquency Emmiter that will be Powerful enough to operate at about 100 feet distance, be able to have an adjustable frequency from about 1khz to 1Mghz...  I would like to be able to input the desired frequency some way.  Would I be better off buying such a gadget...
  2. Mhz1

    Correct way to Measure Power Supply Amperage

    Hello, Just wanted to know a good design (Circuit) to measure DC and AC Amperages without damaging the Power Supply being tested.  Is there a Particular or certain LOAD to use when measuring the current? I know you are not suppose to measure direct current from a supply source without a load...
  3. Mhz1

    Convert DC to AC Question

    Hello Everyone, I'm Trying to find a good way or Schematic, that will show how to convert 12v DC (5 amps) to 10v AC (4 amps)...  ??? Any solutions to this question will be much appreciated... Thanks
  4. Mhz1

    Circuit To Count Fast Voltage Presence...

    Hi, I'm Interested In designing a circuit that is capable of reading (Counting) voltage presence for a dc ground reference that will be shuting off and on... I dont believe the lowest point of voltage reference will fall to zero, but anywhere from 100 millivolts to 12v. any Reference or...
  5. Mhz1

    Car Fuel Pump Amp Rating for Household Power Supply..

    Hi, didn't know the best way to post my Subject without it being confusing, so this is what I'm attempting to do: I want to build a power supply that I can plug into a normal 120v AC wall outlet and supply the neccessary Voltage and Amperage to operate a standard 12v Automotive Fuel pump... I...
  6. Mhz1

    How Hard to Use Floppy For Flasher?

    I notice many microcontroller projects actually use the serial, Parrallel, or USB for the Data transfer and Flashing Process... My question is: How much trouble would it be to have the PIC read its info from a standard Floppy drive? Therefore, you could copy your Programs to floppy disk and...
  7. Mhz1

    Anything Reasonable other than Drilling?

    Hello, I just wanted to know if there is any other method other than drilling, such as a Punch Tool, that is capable of putting the Pin Holes on a circuit board for hobbiest? And about how much would an actual Plot machine cost for putting the pin holes in circuit boards that you design on...
  8. Mhz1

    What Chip Converts Decimal to Pulse ..?

    Hello, I'm trying to find out what chip converts Decimal Numbers to generated Pulse Output...? In other words, If I have a keypad and press the number 5, and want to have 5 Pulses of output, what chips would perform this action? I guess I would prefer a square wave type Pulse.. But not...
  9. Mhz1

    Is It Possible To Make the DVM Portable?

    I ask this because it appears that it takes more than the average battery supply to power this project.. Is there a way to make it use less power for portability? Thanks In Advance..
Top