DIGITAL PANEL METER – VOLTMETER

4 November, 2015

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Digital Panel Meter performs digital processing on or conversion and display of voltages, currents, other analog signals, and pulse signals. This project is based on popular ICL 7107 IC, which is analog to digital converter and has been designed to drive 7 segment LED display. The ICL7107 is high performance, low power, 3, 1/3 digit A/D converter. Included are seven segment decoders, display drivers, a reference, and a clock. This DPM project may be used in a wide variety of configurations Full scale reading of +/- 199.9mV (200mV)

Features

Supply 5V DC @ 80mA.
Range 0 to 199.9mV (200mV)
Low Current consumption
Low input leakage current because external reference
Single supply operation
On board Jumpers for range display
Auto Zero and auto polarity within IC
Supply Input CN2 5V DC
Test Voltage CN1 0-200mV
PR1 Preset for reading calibration.

Digital Panel Meter – Voltmeter – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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