10μA-10mA Low-Side Current Sensor

10μA-10mA Low-Side Current Sensor

This single-supply, low-side, current-sensing solution accurately detects load current between 10μΑ and 10mA. A unique yet simple gain-switching network was implemented to measure the three-decade load current range accurately. The linear range of the output is from 100mV to 4.90V....

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Precision Switched Integrator Transimpedance Amplifier

Precision Switched Integrator Transimpedance Amplifier

This project is based on IVC102 chip from Texas Instruments. This chip is a precision integrating amplifier with FET OPAMP, integrating capacitors, and low leakage FET switches. It integrates low-level input current for a user-determined period, storing the resulting voltage on the...

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Signal Conditioner for Piezoelectric Sensors

Signal Conditioner for Piezoelectric Sensors

This is a simple signal conditioner circuit for Piezoelectric sensors. The circuit converts the input charge to voltage and the level shifts to the ADC input range of 0.1 V to 2.4 V. The circuit is built using AD8608 OPAMP from Analog devices. Piezoelectric elements are used to...

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Capacitive Humidity Sensor to Analog Output Converter

Capacitive Humidity Sensor to Analog Output Converter

The project presented here is an analog capacitive humidity sensor converter board suitable for various humidity measurement tasks. The circuit comes from Texas Instruments application note (see below). Most conventional capacitive proximity sensors produce a digital signal, but this...

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Linear Capacitive Proximity Sensor

Linear Capacitive Proximity Sensor

The project presented here is an analog capacitive proximity sensor. The circuit is from Texas Instruments application note. Most conventional capacitive proximity sensors produce a "1" or "0" output, this circuit produces a DC output that is a function of the size and relative...

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Liquid-Level Monitoring Using a Pressure Sensor – Bar-Graph Display

Liquid-Level Monitoring Using a Pressure Sensor – Bar-Graph Display

This project allows users to monitor the liquid level on a Bar-Graph display. The liquid level is measured using a pressure sensor, the sensor is placed on top of the tank and is connected to an open-ended tube that is submerged in the water tank. The amount of water in the tank...

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Over Speed Sensor – Over Speed Alarm using Magnetic Pickup Sensor

Over Speed Sensor – Over Speed Alarm using Magnetic Pickup Sensor

This is an over-speed sensor module, that provides an audible warning and signals output when the speed of a machine is above a set point. The module can be used in applications such as Engines, Machines, Sports machines, and Fitness Equipment. The speed of the machine or engine can...

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Under Speed Warning Alarm for Magnetic Pickup sensor – Frequency Controlled Switch

Under Speed Warning Alarm for Magnetic Pickup sensor – Frequency Controlled Switch

This is an under-speed sensor module that provides an audible warning and signals output when the speed of a machine is below the set point. The module can be used in applications such as Engines, Machines, Sports machines, Fitness Equipment, Speed of the machine or engine can be...

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