UJ-1 type potentiometer with a precision power supply circuit
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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The JFETs, Ql and Q2, provide complete buffering to Cl, the sample and hold capacitor. During...
The circuit monitors and displays a digital signal"s duty cycle and provides accuracy as high as...
Power is applied to the circuit with the initiate switch open. The 25-JtF capacitor charges...
A 9-V wall adapter supplies Vm. IC2 contains a low-battery detector circuit that senses l7IN by...
This audio amplifier circuit is designed to deliver 2W per channel continuous into 8 © loads. The...
The following segment will provide the enhanced Motorola schematic for any typical application...
The switches and LEDs are here because they are mounted on the same front panel as the display....
New cellular phones have incorporated high resolution cameras, which require high brightness...
The first was interested in a flexible preamp for use with a high-end acoustic guitar with...
Basically, the circuit is using relay (2 set of Relay for each Motor) to switch the direction of...
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