Voltage-to-frequency-converter
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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 disables the air conditioner compressor when additional engine power is required. It...
Up to six lights can be sequentially flashed using this circuit. LED1 through LED6 can be...
Transistors T1 and T2 form the mic preamplifier. Resistor R1 gives the required bias for the mic...
This is a 16X2 switcher so it gives me plenty of room for expansion. While the cameras are nice,...
I2C is pronounced "I squared C" and stands for Inter-Integrated Circuit. This protocol was...
This documentation was compiled as a result of a bee hive temperature monitoring project....
Here is the circuit schematic of a simple audio surveillance system in which the transmitter will...
The ATA5743 is a multi-chip PLL receiver device supplied in an SSO20 package. It has been...
Using the RF2126 high-power, linear amplifier IC manufactured by RFMD can be designed a very...
Interior lights come on when I enter the car, and most of the time do not go out while driving....
The most important part of a school`s CATV-CCTV system, is the process of planning for its...
The prototype circuit board used an external LCD display that received commands via an RS-232...
Circuit in the frequency range, an accuracy greater than 2%, for the production of bode curve....
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