Results tagged #Lm3914 in Circuits
building vu meter
Need to amplify the output of the iPod`s headphone jack would not be enough to provide the chip with a large enough signal to respond to, bu...
lm3914 ic based on simple battery tester
This circuit employs the popular and easy to find LM3914 IC. This kind of IC is quite very simple to drive, requires no voltage regulators (...
12v battery level indicator circuit led
The heart of this circuit is the LM3914 from national semiconductors. The LM3914 can sense voltage levels and can drive a display of 10 LEDs...
lm3914 in dot mode
This indicates like LM3914 in dot-mode. It is a drawing i made made to troubleshoot a gadget, around two decades ago. Strangely it had a ech...
LED VU Meter by IC LM3914
This is Circuit LM3914 LED VU Meter. use IC1-LM3914 and Transistor BC109C, By circuit will show level of audio signal(power Music) is dB in ...
LM3914 LM3915 20 Led Stereo Vu Meter
LM3914 Dot Bar Display Driver LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 20 Led stereo Vu Metre ...
Sobriety Tester with LM3914
With all the holidays upon us, understandably some of us will be drinking alcoholic beverages. This circuit can be used as a guideline how m...
12v 10 LED battery monitor
this circuit uses the LM3914 and should be powered by its own battery, otherwise you might get an innacurate reading. hook the to-be-monitor...
TONE DISPLAY
The heart of the circuit is the tone (pitch) display section, based on the popular LM3914 display driver. This device drives ten LEDs in a l...
TONE DISPLAY
The heart of the circuit is the tone (pitch) display section, based on the popular LM3914 display driver. This device drives ten LEDs in a l...