Digital LED Voltmeter Using ICL7107


Posted on Feb 7, 2014

This circuit is a circuit diagram digital voltmeter with LED display. It`s ideal to use for measuring the output voltage of your DC power supply. It includes a 3.5-digit LED display with a negative voltage indicator. It measures DC voltages from 0 to 199.9V with a resolution of 0.1V. The voltmeter is based on single ICL7107 chip and may be fitted on a small 3cm x 7cm printed circuit board. The circuit should be supplied with a 5V voltage supply and consumes only around 25mA


Digital LED Voltmeter Using ICL7107
Click here to download the full size of the above Circuit.




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