knexapod
Posted on Feb 6, 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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This circuit can be used to prevent relay contact arcing for loads up to 50 amperes. There is...
The circuit disconnects the battery from the load when output voltage falls below a preset level....
Three-amplifier circuit consumes only 135 /tW of power from a ±1 V power supply. With a gain of...
The power line fluctuations and cut-offs cause damages to electrical appliances connected to the...
An analog VU meter is often included in the audio equipment to display signal levels in volume...
As a keen cyclist I am always looking for ways to be seen at night. I wanted something that was a...
The main system is the user interface and control system. The phone line was chosen as the method...
You cannot beat the Chinese. The project described in this article is a ready-made item from a...
A very simple class B power amplifier can be designed using TDA8560 audio IC. The TDA8560...
A very simple 5 volt switching power supply electronic circuit project can be designed using...
A Darlington would perform even better, but the circuit would be slightly more complicated. (See...
In normal suburban driving you pass through so many different speed zones that it can be a...
The project started with a request from a fellow member of the Long Eaton Club, Tony Bowler. He...
The LM358 series consists of two independent, high gain, internally frequency compensated...
Timing IC using long RS6445C constitute blocking oscillator As shown in the timing for the...
As shown in FIG Xin US recorders automatically circuitry. The circuit mainly uses a new power...
As shown in the audio circuit is commonly used in color television sets (TDA2009) Pin 1: 1.2V--...
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