Practical flip-flop circuit
Posted on Nov 10, 2015
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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 linear power supply, shown in the schematic, provides 0-30 volts, at 1 amp, maximum, using a...
The following circuit is an example how to get power from RS-232 serial port. It gives regulated...
Completed STK465 is an amplifier of acoustic frequencies that offers qualitative output, using...
The full wave phase control circuit below was found in a RCA power circuits book from 1969. The...
In this circuit, a square wave is filtered by a high-order low-pass filter so that a -3-dB...
Setup the lights on the breadboard like a traffic light. Red on top, then yellow, and then green....
This page describes a project a colleague and I completed between September, 2000 and March, 2001...
This circuit turns-off an amplifier or any other device when a low level audio signal fed to its...
How to change the brightness of aLED Whether led lights are dimmable Is it possible to adjust the...
* This meter looked like it works well: YouTube - IndikG tor vybuzenG s LM3915 but the schematic...
A battery is a vital element of any battery-backed system. In many cases the battery is more...
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