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VU Meter Video Example:
QTY = 10 pcs LM3914 (lm3914n-1 no Pb).
The LM3914N-1 is an LED Display driver that can drive up to 100 LEDs in
Dot Mode or Bar Mode. The current that flows through the LEDs is
regulated and programmable, thus, resistors do not need to be
implemented. With the elimination of resistors, the whole IC can
be operated with less than 3V.
The LM3914 (lm3914n-1 no Pb) can be used for variety of
application. Some but not limited to, includes:
• 0 volts to 5 volts bargraph meter.
• Cascading more than one LM3914 in dot mode.
• Zero centered meter for 20 segment bargraph (or 20
• Exclamation point display.
• Indicator and alarm, switching display from dot
mode to bargraph mode.
• Bar display with alarm flasher.
• And many more applications that can be found on the
web for the electronics' enthusiast, hobbyist, or hard-core engineer.
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