converting 12 Volt DC to 1.5V

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sammy004

Member - Posts: 19

Joined: June 09, 2002

Location: Canada

Posted: March 02, 2003 at 7:22 PM / IP Logged

Can someone please tell me how I can make something that runs on a small 1.5V battery run on a 12 Volt car battery. Do I need some resistors for this job

Two_Cold

Copper - Posts: 91

Joined: July 23, 2002

Location: Canada

Posted: March 02, 2003 at 9:23 PM / IP Logged

I would buy a power adapter that plugs into the cigarette lighter, cut off the end and splice it in to a 12 volt supply. They are cheap and supply a reliable current. Plus it is fast & easy.

bdl666

Silver - Posts: 330

Joined: December 31, 2002

Location: United States

Posted: March 06, 2003 at 4:56 PM / IP Logged

What exactly do you want the 1.5volts for?

sammy004

Member - Posts: 19

Joined: June 09, 2002

Location: Canada

Posted: March 06, 2003 at 6:25 PM / IP Logged

i Have a thermostat its on a battery and I wanna hook it up to 12 volts car battery

bdl666

Silver - Posts: 330

Joined: December 31, 2002

Location: United States

Posted: March 07, 2003 at 2:24 AM / IP Logged

I will have to go with Two_Cold, the variable power supply it's the way to go. That is if you can find a power supply with a 1.5v output. Most of them start at 3v and and end on 9v. Other wise you are goin to have to use a battery. In that case use a lithium battery they last longer and they are resitant to cold.

CorradoG60

Member - Posts: 15

Joined: March 11, 2003

Location: United States

Posted: March 11, 2003 at 5:18 PM / IP Logged

Ya know a Circuit Board, a zerner diode, some resistors, and a 2n3055 transistor and you could have a 1.5V Voltage regulator. THat is if your electroncally inclined.

The FLUKE Guy.

Two_Cold

Copper - Posts: 91

Joined: July 23, 2002

Location: Canada

Posted: March 11, 2003 at 8:33 PM / IP Logged

Here is the power adapter that will work for you.

http://www.powerstream.com/DC6.htm

It is a 12 volt to 1.5 volt for $16. The easiest way to go.

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converting 12 Volt DC to 1.5V

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