Sensor Circuits
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The report gives the reader info related to light sensor, light photoresistor, comparator, and circuit. There are lots of information regarding detection.... -
In this tutorial we can get information related to sensor amplifier, schematic, and noise. This tutorial presents discussion around sensor, output, and.... -
Introduction Humidity is the amount of water vapor in the air, expressed as a percentage of the maximum amount that the air could hold at the given temperature.... -
Differential temperature sensor is used to measure temperature difference in two different area. Here is the schematic diagram of the circuit: Please note.... -
LM134 makes a good temperature sensor because it has a highly linear output characteristic. Because it is a current output device and is therefore not affected.... -
This is a buffer circuit for TMP01 Temperature Sensor. The output of this sensor is a low impedance dc output voltage with a 5 mV/K temperature coefficient.... -
This is a TMP01 Temperature Sensor Transmitter circuit. This circuit is used in industrial environments to transmit the signal differentially on a wire pair.... -
The schematic diagram described here is a TMP01 Celsius Scale Temperature Sensor circuit. This circuit is used to convert the VPTAT output voltage that is.... -
This schematic diagram is about TMP01 Fahrenheit Scale Temperature Sensor circuit. This circuit is used to convert VPTAT into an output that can be read.... -
This water level sensor (detector) circuit uses a standard NAND logic gate to produce oscillation and to detect the water level. Oscillation is included inside.... -
There are many measurement system that would be more suitable if we use logarithmic scale, especially when we try to mimics human sensory response. Most.... -
Bridged resistive sensing elements is common in resistive type sensors/transducers. This sensor type need a biasing voltage to operate. LM10 provide low.... -
Using the circuit depicted in the schematic diagram below we can monitor the heart pulses of patient. This circuit buffer and amplify the heart pulses, and the.... -
Current sensing is as it says - sensing the amount of current in use by a particular circuit or device. If you want to know the amount of power being used for any robot component, current sensing is the way to go. Current sensing is not a typical application.... -
The Current Sensor Board contains an Atmel AVR AT90S8535 running at 8MHz which samples six ADC current inputs and uses the remaining two ADC inputs to control an integrating charge counter and packages the results up into data packets which are sent to the.... -
This ultrasonic anemometer serves for the 2-dimensional capture of the horizontal components of the wind speed and the wind direction as well as the virtual temperature. On account of the high measuring rate this device is suited very well to capture gusts.... -
I wanted to add a security/sensor light near the main doorway that would run of 12 volts. You can buy 12 volt PIR sensors, but these are very expensive at over $50 each and designed for security systems. However you can pick up a 240v sensor light for less.... -
This is the fire alarm circuit which use LDR to sense the smoke from the fire, so it can be used to detect any dark smoke. With the onset of summer season, possibilities of fire accidents go up. These fire accidents could be prevented if ti.... -
This is a simple update to Mr. Hareendran s PIR Sensor Security Light circuit. It has a shortcoming limits the relay voltage to approximately 3.3V. While this may function with some 5V relays, it will not function with all. The nature of....
New Circuits
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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.....
Popular Circuits
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RCA made some of the first commercially available CCD chips. A CCD (Charge Couple Device) is a...
This logic probe can be selected to operate on TTL or CMOS logic levels, depending on switch S1....
Automatic alarm circuit includes a DTMF Automatic dialing, password control circuit, voice...