Triple 300MHz Amplifiers Drive Video and LCDs
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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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Feedback control of the phototransistor in this optical detector helps negate the effects of...
A light dimmer, a 1 µf capacitor and a 12 V car ignition coil form the simple line powered HV...
Using a 4060 CMOS binary divider and built-in clock oscillator, a long-duration timer can be...
This is a simple low-cost 50W off-line switching power supply, which can be used for home...
Crystals with higher frequencies than about 30 MHz are almost exclusively overtone crystals. Such...
This simple circuit allows a 12V battery pack to be charged via a bike generator. The generator...
Circuit diagram is very simple and works as follows: N1 Schmitt trigger works as an oscillator...
A project on temperature/humidity logging a couple of years ago. In that project I logged the...
This little circuit will pay for itself many times over the first time it is used, especially if...
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