NiCads charger
Posted on Jan 6, 2013
New Circuits
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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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A 2 Watt audio amplifier made from discrete components. This was one of the earliest circuits...
This circuit uses the Holtek HT2884 IC to produce 8 different sound effects. All sound effects...
The transmitter is a very simple crystal oscillator. The heart of the circuit is the tuned...
Electronic circuits are presented in schematic form. A schematic is really a map showing the path...
This particular circuit was built with an LED Indicator. There are Two LED`s Shown in the...
In the process of adapting an old phone to be used as an Bluetooth phone. I am currently testing...
The modifications involve direct access to the stepper motor controls of your mount. Any...
The Vinculum board is controlled using DOS commands and so every time you send a command if the...
To convert a standard LCD interface parallel to serial interface model, use a microcontroller or...
The 8-bit 2x1 multiplexer consists of 16 tristate buffers and a static inverter. It is designed...
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Two-phase hybrid stepping motor dynamic voltage 12 to 48V, the current is less than 5A outer...
ptPC1891A application circuit, where in SA is working state switch, a total of four to choose...
1.5V-powered microphone signal amplifying circuit 1.V power supply shown for the microphone...
100kHz-30MHz active antenna with small size, good performance, making simple, low cost and so on,...
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