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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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One of the key challenges in the design of 4- to 20-mA current transmitters is the...
The input consists of two comparators that operate with different reference voltages supplied by...
The following diagram is the circuit diagram of 20W power amplifier which build based tube...
This is a design circuit for the FSK demodulator, that is the electronics device that converts...
This electronic project stereo amp is based on the STK415-090-E class H audio power amplifier...
This is small inverter on 30 watts, It converts DC voltage from 12V battery to AC 220V-230V at...
This Circuit is a DPM or digital panel meter. It has a analog bar graph display and a 3-1/2 digit...
The circuit is built around two 555 timer ICs. U1 and U2. U1 is wired as a variable duty cycle...
This device and all information contained on this website is for educational purposes only. This...
This project article was originally written in 2004 when most computers had parallel ports. This...
In industrial PLC applications, one of the old, but simpler methods of displaying numeric...
The figure for the feedback voltage Vf, it is taken from the output voltage Vo by EQ network....
Automatic emergency lighting circuit shown, it is suitable for families install yourself. Because...
220V mains electricity sent through 0.33 u F (Ci). ] 50kn ohmic drop Sui, Di - D4 bridge circuit...
Factories and enterprises lOkV and below the circuit breaker commonly used CD10 (formerly CD2)...
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