Parallel crystal oscillator
Posted on Mar 28, 2007
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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 simple PC Smartcard reader was shown in Electronics Design magazine February 17, 1997 issue...
A complete schematic diagram of the voice disguiser is shown. Microphone MIC1 picks up the voice...
A 4017 decade counter/divider driven from a low-frequency oscillator (Ul-a and Ul-b) is used to...
About this Circuit This is a good Circuit for those persons needing to Boost or drop a voltage....
With the high-speed development of social economy, the human demand for electric energy is larger...
Boost circuits are an awesome way to power microcontrollers. Instead of 4AA batteries or a 9V...
This simple circuit can be used to monitor whether a battery is charging or not. The voltage...
This paper will guide you through how to do just that. We`ll review a simple computer system and...
The description of this circuit is rather simple. The RTS line of the serial port gives power to...
This Arduino sketch is useful for rescuing ATtiny microcontrollers rendered useless by incorrect...
When developing a battery charger, using a real battery might be inconvenient. The battery...
It uses reed KR V control thyristor conduction, with 555 integrated circuit path consisting...
By the differential input stage, a differential voltage amplification, a forced differential...
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