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12 Volt LED Flasher using BC 547 and BD139 Transistor
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- Опубликовано: 4 авг 2019
- Components
1)BD 139
2)BC 547
3)10 uf capacitor
4)100uf capacitor
5)10 k X 2 Resistor
6)1 k Resistor
7) wire
8)PCB
click the link for circuit diagram :-
drive.google.c...
Thanks for watching
Good work keep it up 👍🏻
Thanks @Hobby project .it worked perfectly
I have 24 LEDs from a tv backlight, wired in series and parallel to be 12v. (3v per LED) powered with 3×18650 lithium batteries in a holder (12v). What size components will I need to operate these? I'm making a larger, brighter rear light for a recumbent trike (4×6")
Thanks it works
I use 2.16k resistor instead of 1k,,it works,,,but when I use 1k resistance,, little bit heat hasben occurred in 1k resistor,,,
Is there any prob of use 2.16 resistor??
A very useful video for my project, but how you calculate what value of capacitors you use for example if I want to on 1 second and off 1 second
Supper bai
👍👍👍
Is it working in a car warning light battery output 2.5 amp,12 volt
Yes, it will work
@hobby project .. I made it and it was working fine with low power led but when I connect higher power BD139 burnt... Can you recommend any cheap replecemnt with 3A range ? Because I checked it can only handle 1.5A
Use relay instead of direct load. Actuate the relay with the transistor and connect load to the relay. That way you can control much higher load.
@@akshayviruss adding relay will increase the size ... I am looking for cheap replacement
@@asifalikhan8677 you can opt for SSR which are a bit higher on price but are much smaller
Vai capacitar ka volt kitna vai .....o bolie pleasee
10 and 100uf
@@hobbyproject ok vai
Video idunnathinu oru time fix cheyyeda🤓
Ok. Thank you for your valuable suggestion
not good flash led ligh