Recent content by AskTheGenius

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    Slowing down a brushless DC motor in a VCR

    You need to connect the output of the astable to the power supply of the motor or you can decrease the voltage going to pin 2 (i is spinning so fast because there is an amplifier in the chip)
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    How can you make a portable earth connection?

    i am not talking about the earth, i am talking about the current flowing into one of the capacitance plates
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    Slowing down a brushless DC motor in a VCR

    you could use a fast pulse from a 555 astable to the power of the motor so when the output is high the motor speeds up but while it is speeding up the output goes low and the motor turns off and it continues. instead of a resistor, put a preset so you can vary the pulse find it on this link...
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    How can you make a portable earth connection?

    to the person who added this thread, read the 5th paragraph under "using the transmitter" in your link. i read as: Without any connection to an antenna or a good GROUND CONNECTION, the transmitter will only transmit to a receiver A FEW INCHES AWAY. To get better range, clip the ground wire...
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    How can you make a portable earth connection?

    The positive end is not supposed to be connected to ground but it doesn't matter because a capacitor has no internal connection. I also meant to use the tuna-can sized capacitors: the one that is about 1 farad
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    How can you make a portable earth connection?

    okay then so try this, charge a capacitor then connect the ground to the negative end of the capacitor and the extra electrons will go in the capacitor. That's what the Earth does: it accepts extra electrons. But on the downside, it only lasts for a few seconds. But if you mean portable as in...
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    How can you make a portable earth connection?

    You could use the - (negative) end of a battery. that what it is referred to in a schematic.
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    Using 2x 74LS47 to input binary 0-15

    You should put an AND gate on the counter with the inputs on QA and QD and the output connected to the reset of the counter or instead you can use a 4026 ic that has the outputs decoded for a 7- segment lcd display. if you are connecting them together then connect pin 5 of the first 4026 to...
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    Find Resonator/Oscillator Capacitance/Inductance at 1 MHz

    hi guys, can someone tell me the capacitance and inductance for a 1 MHz resonator/oscillator thanks, your neighborhood genius
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