Advances in Measurement & Sensor Tech
Posted on Feb 4, 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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Finally I was able to control an LCD Hitachi display and a 12-key matrix keypad with only one...
For our second build in the Make It Last Build Series, we`re constructing a robotic plant. This...
This Adjustable Analog Timer circuit starts timing when switched on. A green LED lights to show...
This is V2 update of Atmega8 Volt-Ammeter. This new version features the following upgrades, Low...
This stereo balance indicator circuit diagram is designed using few common external components....
Here is the circuit diagram of simple and easy subwoofer filter which will be operated from a 12V...
It is impossible to imagine present day society without any batteries. Count the number of...
This is a simple single-zone burglar alarm circuit. Its features include automatic Exit and Entry...
TDA 2030 is a widely used 14W audio power amplifier monolithic integrated circuit in Pentawatt [...
The CS4811 is a complete Audio effects processing system on a chip. This device integrates a...
Most surviving TR-1s no longer work. Many collectors (such as myself) prefer to keep them in...
We always like to use Halloween as a chance to show off neat homemade electronics to the general...
A light/dark sensing circuit is extremely useful and versatile in a wide range of renewable...
It shows a circular lighting control circuit. Circuit, rCl of four two-input NAND gate CD4011,...
It shows a ceramic filter composed of FM IF amplifier circuit, the FM intermediate frequency...
80kW resistance to salt bath furnace controlled circuit. Salt bath resistance furnace is a big...
A video amplifier output at its arrival was a differentiation before the Schottky comparator....
As shown in FIG. 1 circuit generates high voltage signal for controlling BST (barium strontium...
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