how to convert from 5vdc PIC16F877A to 12vdc in car?

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Thread Starter


Joined Feb 24, 2014
hello all..
im having problem to converter from 5vdc pic16f877a to 12vdc to fit in a car system.

i need to trun on the relay that will control my ignition system, so the main problem is how to step up from 5vdc to 12vdc that will be used in a car. can u give me the simple circuit or something else.. im newbie here :(


Joined Oct 2, 2009
The owners of All About Circuits have elected not to allow discussions of automotive electrical system modifications/enhancements due to safety concerns, the potential of legal ramifications and the possible circumvention of vehicle regulations at the state and federal level.

This thread is against the AAC forum rules, Chapter 6, as seen here:

6. Restricted topics. The following topics are regularly raised however are considered “off-topic” at all times and will result in Your thread being closed without question:
• Any kind of over-unity devices and systems
Automotive modifications
• Devices designed to electrocute or shock another person
• LEDs to mains
• Phone jammers
• Rail guns and high-energy projectile devices
• Transformer-less power supplies
This can be found in our Terms of Service (ToS)

Here is a site that may provide you with some assistance: Electro Tech Online
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