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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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The original TX was designed to be only PULSE Modulated for a proportional R/C system, but I...
This circuit was used to produce a variable negative voltage for contrast control of an LCD displa
The ICL8212 is connected as a programmable zener diode. Zener voltages from 2 V up to 30 V can...
This is the circuit diagram of a 3 LED bar graph type battery monitor circuit that is ideal for...
Build the LC oscillator show on the bottom of this page for some school project and I`m having a...
Here is a series of Touch Switch using only 3 transistors, this touch-based transistor switches...
This is a simple 12V rechargeable smart battery charger circuit. You can use this best battery...
The main part of this doorbell circuit are two NE555 timer ICs. When some one presses switch S1...
The goal of this project is to design and build a full duplex digital fiber optic voice link over...
Kids these days seem to have most things you see in the toy shops, so if you have a son or...
The required output at the inverter is 220/230V @60Hz. Basically, let me say i need an inverted...
The circuit uses AC mains voltage and otherhigh voltages that can cause injury or death. The 125...
A control two (namely a frequency control two motors) Frequency constant pressure water supply...
Application Example A photovoltaic control circuit, the figure of Triac is called solid state...
As shown by the bistable circuit and optocoupler transistor of FIG. In the initial state the...
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