Supply Voltage Indicator
Posted on Mar 17, 2013
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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 project is exactly what you need. It is simple to construct and can be connected to almost...
This circuit consists of an astable multivibrator driving a push-pull pair of transistors into...
This digital DIY tachometer for bikes uses two reed switches to get the speed information of the...
This scheme is for 4 cylinder motor. This will make your car spent less fuel, be a little bit...
This is a circuit to test zener diodes. It hooks up to a 120V AC line and boosts the output...
The information here is primarily intended for home brewers that want to build the analyzer or...
This Simple Metal Detector Circuit Diagram Design is based on superheterodyning principle which...
This 5 volt regulated power supply circuit project is designed using the NCP3155 DC DC switching...
FET Q1 provides a constant current generator biasing LED D1 and Q2 Base. In this manner D1...
This circuit shows the use of the XCSB servo library to control 4 RC servos. The demo runs on a...
This is a two-way can set the alarm circuit which uses a Schmitt IC, with responsive and sound...
Fans are hoping to make a high-quality amplifier, but the most outstanding publications published...
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