OP113 wide range of precision temperature measurement 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 circuit allows you to eliminate the vocal portion of an audio signal, while leaving the...
The HI-506 multiplexer is used as an analog input selector, controlled by a binary counter to...
Because the power controller is powered from the vehicle`s accessory switch, the load can...
The headlight flasher is nothing more than a 555 oscillator/timer that`s configured as an...
Using this circuit you can convert the 12V dc in to the 220V Ac. In this circuit 4047 is use to...
The simplest example SMPS which still uses 3 transistors (C3807, A1015 and power transistors)...
IC bus line explains conduct and transmits the bus line as one kind, it uses and is wired little,...
A popular project among microcontroller aficionados is to build a radio-controlled clock. Tiny...
Quiz-type game shows are increasingly becoming popular on television these days. In such games,...
The circuit diagram of a simple capacitance meter using IC LM2917 is shown here. The LM2917 is a...
This LM3909 circuit produces a rapidly rising wail upon pressing the button, and a slower...
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