good tools for drawing schematics
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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A shortcoming of the above bi-directional proportional motor control circuit is that with the...
This simple circuit can color the sound coming from your audio system. Clocking for the circuit...
This strobe light operates from standard 120-Vac power. Rl limits the amount of current applied...
The TDA2004 is a class B dual audio power amplifier in MULTIWATT [package Designed specifically...
Many households are still graced by tube-type television sets. If you want to connect one of...
Major role in the PLL phase detector is held by the duty comparing the input phase of the VCO...
Most of the telephone security devices available in market are simple but quite expensive. These...
a miniature version of the classic PONG game. The PONG game was invented back in 1966 by Ralph...
I had always assumed that dynamic braking would be most effective at higher speeds. However,...
The project is a continuation of the 5kW Boost converter project. After a few failed attempts, I...
Flip-flop circuit having a memory function pulse signal. It has two stable states: the transistor...
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