12 V BATTERY LEVEL INDICATOR [DIY]
Hello friend's In this video we will see How to make 12V BATTERY LEVEL INDICATOR
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#1. Simple battery level indicator
1.Resistor- 1K (5 pcs)
2.LED - (5 Pcs)
#2. 12v Battery Level indicator using Zener Diodes
1.Zener Diodes
8.2v, 9v, 10v, 11v, 12v
2.Resistors
R1- 470 ohm, R2- 390 ohm, R3- 330 ohm, R4- 220 ohm, R5- 47 ohm.
3.LED -(5 Pcs)
[ All resistors are of 1/4w,
Zener diodes used in video:-
1N4738A, 1N4739A, 1N4740A, 1N4741A, 1N4742A]
#3. 12v Battery Level indicator using IC LM3914.
1. IC LM3914
2. Resistors-
56k, 18k, 4.7k
3. Variable Resistor( Preset, Trimpot )
10k
4. LED - (10 Pcs)
5. Small switch (on/off type)
[ All resistors are of 1/4w]
===========================================================================
Circuit Diagram:- https://drive.google.com/file/d/1ENa3GqzNTSNzUfbTPJPyWr5CvZPtD1UO/view?usp=sharing
-----------------------
Circuit diagram for 'LM3914 BATTERY LEVEL INDICATOR WITH auto cut off'
https://drive.google.com/open?id=1KNvgFnIjsES9uyPch0WzowOxpLkU7rv5
-----------------------------------------------------------======
Thank You for watching;
Hope you like this video
Please LIKE SHARE SUBSCRIBE & COMMENT.
Have a Beautiful day.
-----------------------------------------------------------------------
Видео 12 V BATTERY LEVEL INDICATOR [DIY] канала SNNY Hack & Sci.
===========================================================================
#1. Simple battery level indicator
1.Resistor- 1K (5 pcs)
2.LED - (5 Pcs)
#2. 12v Battery Level indicator using Zener Diodes
1.Zener Diodes
8.2v, 9v, 10v, 11v, 12v
2.Resistors
R1- 470 ohm, R2- 390 ohm, R3- 330 ohm, R4- 220 ohm, R5- 47 ohm.
3.LED -(5 Pcs)
[ All resistors are of 1/4w,
Zener diodes used in video:-
1N4738A, 1N4739A, 1N4740A, 1N4741A, 1N4742A]
#3. 12v Battery Level indicator using IC LM3914.
1. IC LM3914
2. Resistors-
56k, 18k, 4.7k
3. Variable Resistor( Preset, Trimpot )
10k
4. LED - (10 Pcs)
5. Small switch (on/off type)
[ All resistors are of 1/4w]
===========================================================================
Circuit Diagram:- https://drive.google.com/file/d/1ENa3GqzNTSNzUfbTPJPyWr5CvZPtD1UO/view?usp=sharing
-----------------------
Circuit diagram for 'LM3914 BATTERY LEVEL INDICATOR WITH auto cut off'
https://drive.google.com/open?id=1KNvgFnIjsES9uyPch0WzowOxpLkU7rv5
-----------------------------------------------------------======
Thank You for watching;
Hope you like this video
Please LIKE SHARE SUBSCRIBE & COMMENT.
Have a Beautiful day.
-----------------------------------------------------------------------
Видео 12 V BATTERY LEVEL INDICATOR [DIY] канала SNNY Hack & Sci.
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