Microfluidics Research
Posted on Feb 6, 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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A unique push-pull parallel circuit. It uses four MRF150 RF power FETs paralleled at relatively...
A positive-going trigger pulse can be used to start the timing cycle with the circuit shown. In...
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This VFO circuit covers from 2.13 to 2.58 MHz and is intended for use with an external mixer to...
Half of a Motorola MG14538B dual, precision, retriggerable mono stable multivibrator is used to...
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P1_47K Log. Potentiometer (See Notes) P2, P3_47K Linear Potentiometers R1, R3, R5_4K7 1/4W...
This digital voltmeter is ideal to use for measuring the output voltage of your DC power supply....
My coolant level alarm has been working for the last 6 years, the alarm started to go off fairly...
Here is a simple PWM dc to ac voltage inverter circuit based on IC SG 3524. The SG3524 IC chips...
This simple circuit is build around a CMOS IC 4060 to obtain the required timing. During day time...
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In this experiment, an oscillator is constructed using an operational amplifier and some other...
Frequency change produced in Colpitts oscillator by metal object near tank coil is indicated by...
Programmer in my "AVR software and technical Library - April 2003" CD-rom and decide to publish...
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