Schematics Vault
Posted on Feb 5, 2014
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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 project is a self-contained serial terminal using a PIC16F84 microcontroller chip, an...
Simplified Analog Input Schematic This schematic represents the input circuitry for a single...
The SPC2 is a solar power center, it can be used to handle all of the power functions for small...
When the start switch is pushed, the output of the charger goes to 14.5 V. As the batttery...
The circuit will regulate the rms output voltage across the load (a projection lamp) to 100 volts...
The NE592 is connected in conjunction with a MC1496 balanced modulator to form an excellent...
The output of condenser mic is coupled via a coupling capacitor of 0. 1 µF, the purpose of this...
We are planning to use a Programmable Logic Device to control our seven-segment displays. This...
This circuit is intended to signal, through a flashing LED, the exceeding of a fixed threshold in...
This device was created in a hurry for the USC Rocket Propulsion Lab, the student-run...
This metal detector circuit diagram is based on the TDA0161 monolithic integrated circuit,...
This voltage controlled frequency divider circuit (see figure in text) produces pulses of lower...
PGA202 is a digitally controlled programmable gain G = 1,10,100,1000 monolithic
In order to meet the needs of the control loop, often require electromagnetic relay or transistor...
As shown in FIG, Vcc to the circuit is V power supply. After receiving the first signal...
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