auto calibrating voltage monitor and alarm

$10-30 USD

已完成

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大约 8 年前

$10-30 USD

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I need a circuit to monitor a DC voltage from 0 to 3 vdc. The voltage will slowly rise from 0 vdc and will stabilize in approximately 3 minutes. The stabilized voltage will be the calibration point of my circuit. Then I need the monitor to trigger an alarm if the voltage drops below a user adjustable set point. For instance: If my voltage stabilizes at 2.2 vdc, the calibration point becomes 2.2 vdc. Then I adjust a trigger point potentiometer to set the alarm trigger point to 10% below the calibration voltage. So in this case the alarm would sound when the monitored voltage drops to 1.98 vdc. Can this be done ?

Circuit Design

Electrical Engineering

Electronics

项目 ID: 10049800

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@taod

I’m a young engineer , working in electrical engineering and electronics industry since 2009. Embedded programming of Atmel microcontrollers' since 2010. Development of applications in C++ Java, MATLAB - since 2011 Good experience in programming for Arduino and usage wide range of sensors and devices. I work with an Engineering outsourcing firm founded by a group of young and talented engineers with vast spectrum of experiences and knowledge pertaining to Electronics design. we offer a diversity of expertise in all areas of Engineering and Industrial Manufacturing with the best prices on the market,

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