Rf probe for vtvm
Posted on Aug 23, 2012
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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 "LCD2LPT with Lirc" circuit is the compilation of two circuits found on the net on a single...
In all the houses exist the bells in the door. All want, they have the possibility of being...
This circuit give low level output, when exist enough lighting, that is a detector of light. It...
The timing components are Rl, R2, and C,. Cl is a bypass capacitor used to reduce the effects of...
This report describes the operation and adjustment of a Phase Locked Loop hum cancellation...
Acoustic spectrum is extended by the 20Hz frequency is very low and reaches as high frequency...
This is an actual reverse engineered circuit diagram of the one transistor circuit most commonly...
Digital counters have several applications in electronics circuits. Counters in digital...
A simple lab-psu using the lm317, based on the first schematic. to prevent damages to my dmm when...
The diagrams of starting up of the TEP-60 diesel engines starter in chain of current...
The target of this project was the design of a small portable mixer supplied by a 9V PP3 battery,...
Apply power to the frequency counter and set the coarse (top pot) and fine (bottom pot)...
This is one of the most basic 555 circuits. This circuit is part of this chips datasheet,...
When the alarm protection can be higher or lower than the predetermined value in the mains...
AUD.LIMITER The level can limit level trim potentiometer to adjust. If you exceed the level of...
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