20 leds

  1. guclusat

    20 LEDS 0 TO 20V BAR-GRAPH VOLTAGE METER USING LM3914

    0 – 20V LED Voltmeter project displays the voltage of the source using 20 LED’s. This project is based on the famous LM3914 IC from National Semiconductor. Power Supply Input: 5 VDC Max @ 30 mA in DOT mode and 300 mA in BAR mode Specifications Output: 20 LED’s Range selectable with...
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