DC Motor Control Motor light and power control circuits
Posted on Feb 5, 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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Please find attached your copy of my four foot unampilfied box loop. It will tune from 525 kHz...
This is a simple single-zone burglar alarm circuit. Its features include automatic Exit and Entry...
The input is ac coupled to the amplifier through C2, which blocks de signals that might also be...
Using inexpensive components, you can fit a simple probe circuit into a pencil-sized enclosure....
The oscillator, Q1, is a standard overtone circuit. A fifth-overtone crystal, 80.545 MHz, is...
Function of the Two Siren Sound Circuit that is using IC 555. Siren Circuit is separated into...
I have a circuit (see attached) provided by an LCD manufacturer that illustrates using the POL...
Assume one of the transistor, say TR1 become conducting at first. Now, since TR1 is conducting,...
Most Apple and Windows PCs can be put to "sleep" or "standby" mode while not in use rather than...
This circuit operates two LED strips in pulsing mode, i. e. one LED strip goes from off state,...
With this whistle light switch you can turn on and off the lighting installation. The main part...
This circuit came from a need for a "quick and dirty" network tester that could be operated by...
This kit is a daughter board, designed by Jan G0BBL and Tony KB9YIG, that provides four...
Detecting electrical equipment, sometimes in order to more accurately measure the electrical...
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