LED Tachometer LM3914


Hi my friend, I'm Fareed from Indonesia. i has designed a Layout pcb that is useful for displaying the engine speed of a vehicle, then displayed by 20 LEDs representing 500 engine speeds for each of its LEDs.


This circuit is very suitable for cars and motorcycles with a very attractive and responsive appearance,


below I show the circuit


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Posted in Blinkenlights , Electric Vehicles & Automotive , LED Displays & Matrices,
Jul 29,2020
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PCB
HDI PCB
Assembly
FPC/
Rigid-Flex
X
Choose Num (pcs)
2 Layers
1.6mm
CNC
Machining
Sheet Metal
3D Printing
Injection
Molding
Aluminum
Aluminum
Resin
ABS
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