ELENCO 130-IN-1 ELECTRONIC PLAYGROUND AND LEARNING CENTER MANUAL PDF

Kezil However, explanation of the circuit? No matter how many times you press the key you can still hear the sound. As long as its input voltage exceeds a certain value, the operational amplifier will produce a signal. As you have witnessed, there are many ways to make an oscillator. Are like one-way streets.

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Common alternating current. Alternating Current A current that is constantly changing. Amplitude amplitude of the radio signal is varied information being sent. Shortened name for ampere.

Ampere A The unit of measure for electric current. Page 4 Electron A sub-atomic particle that has an electrical charge. Electronics The science of electricity and its applications. Emitter The output of an NPN bipolar junction transistor.

Encode To put a message into a format which is easier to transmit. Farad, F unit capacitance. Page 5 Pico- p A prefix used in the metric system. It means a millionth of a millionth 0.

Pitch The musical term for frequency. Printed Circuit Board A board used for mounting electrical components. Electricity is a flow of sub- atomic very, very, very, small particles, called electrons. The electrons move from atom to atom when an electrical charge is applied across the material. Page 7 The Resistor: Why is the water pipe that goes to your kitchen faucet smaller than the one that comes to your house from the water company?

And why is it much smaller than the main water line that supplies water to your entire town? Fold out the the battery holder cutouts and snap the battery into its clip. Your Electronic Playground consists of electronic parts connected to springs and mounted on a cardboard panel. Page 9 Press the switch next to springs 55 and 56 and the LED light emitting diode lights up, and turns off when you release the switch.

The LED converts electrical energy into light, like the light bulbs in your home. You can also think of an LED as being like a simple water meter, since as the electric current increases in a wire the LED becomes brighter. Press the switch and the LED lights up. Now hold the switch closed with one hand and turn the dial on the variable resistor with the other. When the dial setting is high, the resistance in the circuit is low and the LED is bright because a large current flows.

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