Miscellaneous circuits
Posted on Feb 7, 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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Here i propose a project of an AB class power amplifier, at its simplest, assembled with common...
This project has two features. It will let you know when a single phone is using the line and...
The indicator is intended for use with an audio amplifier or preamplifier, but it can also be...
This 1-cable system carries composite video (NTSC, PAL, or SECAM), power, and channelselect...
With the advent of modern radio and radar systems came the need to provide stable harmonic...
Control RGB LED strips via a USB or ethernet interface. These strips consume a lot of power and...
This is a design circuit of audio amplifiers with DC coupling to the load are not often...
After constructing the Pulse Width Modulator for High Power LEDs I needed to build another LED...
Occasionally high voltage is necessary for experimenting with traditional vacuum tubes, cold...
The information here is primarily intended for home brewers that want to build the analyzer or...
Information about building a small radio transmitter, which has a PCB 1. 75" x 2. 5" (45mm x 68...
This is a very good integrated circuit. There is no need for any external glue logic to drive the...
The LTC4425 is a constant-current/constant-voltage linear charger designed to charge a 2-cell...
Fact is that the Nixies need a particular cathode current to entirely light up the cathode at...
This circuit consists of two identical intercom units. Each unit contains a power supply,...
Due to the lack of speed in the entire series TTL monostable multivibrator, and because of the...
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