battery chargers circuits
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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Often the need to control light switch on the instrument. If napájíme LED source of low DC...
The Stereo Power Meter is made up of two identical circuits and a power supply. Each circuit...
Here is a simple tool to check the degree of radiation from an electric or electronic instrument....
This could be the circuit diagram of a easy electronic combination lock by using IC LS 7220. This...
Audio test oscillator audio test oscillator circuit, This generally results in a square wave if...
This is a circuit of a microcontroller AT89S52 Thermometer and 12-bit ADC LTC1298, programs...
A square wave generator with IC UA741 range shown here. The circuit uses positive feedback to the...
The signal from MSP430 PWM pin isn`t quite ready to drive a speaker or amplifier. First, we can...
Simple homemade oscilloscopes are not all that difficult to design and build. I have studied...
14 watt equivalent light with just 1. 2 watts input. No, the light will be brighter and brighter...
The crystal radio gets its name from the galena crystal (lead sulfide) used to rectify the...
Permits monitoring local VHF FM repeater for calls from friends without having to listen to...
Although this Power Supply was designed for the Modular Burglar Alarm - it has other...
When the battery voltage is 7 ~ 12. 6V range, the light emitting diode VLi lights, which light...
After some small loss of field magnets can be re-magnetized porcelain filled with homemade...
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