Lessons on Electric Circuits Experiments
Posted on Feb 7, 2014
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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With all the holidays upon us, understandably some of us will be drinking alcoholic beverages....
This 1-cable system carries composite video (NTSC, PAL, or SECAM), power, and channelselect...
To operate a small motor used for opening and closing a pair of curtains. DC motor has six basic...
The second-order multipurpose filter described here can perform as a low-pass, bandpass,...
A series capacitor worked best for low impedance loads while a parallel capacitor was used to...
This extremely simple FM radio receiver circuit is made possible by the special purpose TDA7000...
This circuit is the sound generator super siren, for use be alarm signal get by live frequency...
The add-on circuit presented here is useful for stereo systems. This circuit has provision for...
The A4988 driver IC has a maximum current rating of 2A per coil, but the actual current you can...
This circuits allows you to use a cheap loudspeaker as a microphone. Sound waves reaching the...
Circuits that generates PWM pulses. Most of them will translate a resistor value into duty cycle...
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