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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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Laser based projects used to be expensive, until the development of solid state lasers. This...
Last year, I found a 31 day pendulum wall clock (dissambled) in a box of parts at a swap meet and...
This circuit will double low-level signals with low distortion. The value of C should be chosen...
Snubber circuit R2C2, as shown, might be necessary since Rl and Cl are tailored for optimized...
IC1a, IC1b, and IC1c of the quad two-input NAND gate 4011 are connected as an astable...
Although you may well be the proud owner of the very latest NiCd battery charger, you may still...
This is a design circuit for scoring game circuit that can be used for all occasions when a dice...
An astable multivibrator is referred to an electronic configuration which is able to generate...
A feedback amplifier having closed-loop gain, Af greater than unity can be obtained by the use of...
This DIY lightning detector circuit is a very sensitive static electricity detector that can...
With a few basic hand tools and a digital camera, this programmable camera controller project is...
The schematic for this tutorial can be seen drawn out below. It includes everything you`d need to...
As can be seen from the circuit loop, the circuit is mainly two times a Butterworth filter, in...
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