Frequency-to-voltage-converter
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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This circuit is a general-purpose 10-W audio amplifier for moderate-power PA or modulator use in...
This simple circuit drives 6 LEDs in `Knightrider scanner mode`. Power consumption depends mainly...
The camera rotator circuit uses a 2716 EPROM to store a table of logic values that control the...
This simple diode modulator delivers excellent results when used for high percentage modulation...
This pulse generator can supplement a standalone pulse generator. Using a transistor and a 555...
Second, I have found that when the receiver was centered in the brightest spot (middle) of the...
This is the standard configuration on how to Interface a uC like 8051 to PC RS232 with MAX232A....
This past summer I saw Transformers: Revenge of the Fallen and I was inspired to build an...
Controller for Hybrid Power Plant block diagram of the HPP, comprised of 440 Wp photovoltaic...
Designing a controller PCB for a 10x10 white LED matrix clock (inspired by the tutorial here )....
Here is a simple project using very common electronics components for charging mobile battery...
Circuit The circuit diagram provided is a triac - diac electronic fan regulator that would reduce...
A solution to one aspect of Power over Ethernet (PoE) is presented here utilizing the ON...
This small transmitter uses a hartley type oscillator. Normally the capacitor in the tank circuit...
The figure shows a simplified schematic diagram of main circuit DMA12. It is mainly composed of...
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