Voltage-ratio-to-frequency-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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The control voltage is fed into the first half of a 1458 op-amp, this stage inverts the signal...
This 6V to 12V converter circuit is made with an IC from SGS with several additional components....
Using a switch to power up your microcontroller projects may not be a good idea if you need to...
Most cards of sound in computer, are deprived stereo input for microphone, on the contrary have...
The MOSFETS we are dealing with are three terminal devices which are used to control electron...
Electrodes are immersed in an electrolyte that remains level while the sensor follows the tilt of...
This FM transmitter electronic project works in FM band and it has a transmission power around...
Bicycle sensors provide two main purposes: to record the motion of the bicycle in order to assist...
Which switch mode power supply (SMPS) topology should one start with IMHO although the schematic...
The differential outputs are balanced and are designed to drive long lengths of coaxial cable,...
Monostable 555 timer multivibrator circuit (one shot monostable multivibrator) is a retriggerable...
Common to all the devices is that they emit intense red light with a wavelength of 660 nm. Some...
Drive a four line LCD panel from an Arduino. The project started out as a way to drive the LCD to...
Simple rectifier circuit replaces battery in vacuum-tube voltmeter. Provides good regulation and...
As shown in FIG alcohol detection alarm controller circuit. QM-NJ9 for alcohol gas sensors, if...
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