Linear scale ohmmeter
Posted on Aug 3, 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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It can drive up to 128 individual relais, solenoids, motors, fireworks, pyrophones, etc. With a...
The system is designed to regulate an 860 watt lamp load from half to full power. This is...
A current source that attains a resolution as low as 10 pA is useful in applications where a...
Fixed-value capacitors are disc ceramics. CI, C4, C5, C6, and C8 are NPO ceramic or polystyrene....
This 1-chip module can generate 9 different melodies. It is normally used as a doorbell, an...
Here we make use of DTMF (dual-tone multi frequency) signals (used in telephones to dial the...
The piezo element is only connected to Channel 1 (Arduino A[0] port). The channels Ch 1 Ch 6 are...
This circuit connects in series with your home phone line and delivers the phone conversation...
This is essentially the simplest circuit with additional indicator LED`s and appropriate resistor...
The following is a copy of an article posted by Wilf Rigter to the original BEAM email list and...
This Simple circuit can be used to Guard your bike from theft. It gives a loud alarm tone if...
AN79 Linear Technology AN79 modifies methods presented in AN74, permitting verification of 30...
CMOS analog multiplexers were frequently used at the ETC for various purposes. Here I thought I...
As shown in FIG relay is non-inductive analog circuit theory. working principle: 220V power...
Capacitance/C tuck bit IJ volume level change is directly converted into electrical parameters,...
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