 Electrical Q, Voltage at the USB connector ? |
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| jim_hoyland |
 Mar 23 2024, 10:16 AM
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#1
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Get that VIN ?  Group: Members Posts: 9,467 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California 
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What is the voltage output at the end of a USB connector. The input plug is at the cig lighter receptacle.
I assumed it would be 12v, but, heard it might be 5 v ??? Attached thumbnail(s) 
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| jim_hoyland |
Mar 23 2024, 11:31 AM
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#2
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Get that VIN ? Group: Members Posts: 9,467 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California
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Thanks, thought it
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| worn |
Mar 23 2024, 07:34 PM
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#3
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can't remember Group: Members Posts: 3,325 Joined: 3-June 11 From: Madison, WI Member No.: 13,152 Region Association: Upper MidWest
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QUOTE(jim_hoyland @ Mar 23 2024, 09:31 AM)  Thanks, thought it I did it myself for a USB outlet. Turns out that I had to make resistor connections to keep the data pins at the right voltages to suit Apple. |
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| jim_hoyland |
Mar 23 2024, 08:04 PM
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#4
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Get that VIN ? Group: Members Posts: 9,467 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California
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QUOTE(worn @ Mar 23 2024, 06:34 PM) QUOTE(jim_hoyland @ Mar 23 2024, 09:31 AM) Thanks, thought it I did it myself for a USB outlet. Turns out that I had to make resistor connections to keep the data pins at the right voltages to suit Apple. What size resistor would drop 12v to 5v. ? |
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| windforfun |
Mar 24 2024, 08:52 AM
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#5
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Senior Member Group: Members Posts: 1,962 Joined: 17-December 07 From: Blackhawk, CA Member No.: 8,476 Region Association: None |
QUOTE(jim_hoyland @ Mar 23 2024, 07:04 PM) QUOTE(worn @ Mar 23 2024, 06:34 PM) QUOTE(jim_hoyland @ Mar 23 2024, 09:31 AM) Thanks, thought it I did it myself for a USB outlet. Turns out that I had to make resistor connections to keep the data pins at the right voltages to suit Apple. What size resistor would drop 12v to 5v. ? Goggle “divider network.” |
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Posts in this topic
jim_hoyland Electrical Q Mar 23 2024, 10:16 AM
FlacaProductions USB power is always 5v
USB 2.0 - 5V - Max output ... Mar 23 2024, 10:48 AM windforfun :popcorn: :popcorn: :popcorn: Mar 23 2024, 10:49 AM
fixer34
[quote name='worn' post='3135519' date='Mar 23 20... Mar 24 2024, 08:01 AM SirAndy Looks like USB can go up to 48V for power delivery... Mar 23 2024, 12:34 PM Montreal914 Why not use something like this?
First one that c... Mar 24 2024, 09:42 AM Retroracer @jim_hoyland a better question might be: what dev... Mar 24 2024, 10:16 AM
jim_hoyland
[b]@[url=http://www.914world.com/bbs2/index.php?s... Mar 24 2024, 01:52 PM windforfun
[quote name='Retroracer' post='3135611' date='Mar... Mar 24 2024, 02:54 PM jim_hoyland
[quote name='Retroracer' post='3135611' date='Ma... Mar 24 2024, 03:23 PM SirAndy I’m going to power a HUD directly to the fuse pa... Mar 24 2024, 03:39 PM lierofox A USB charger that plugs into a cigarette lighter ... Mar 24 2024, 11:22 AM fixer34 No affiliation, but I don't think you can buil... Mar 24 2024, 05:24 PM r_towle Buy a 5 dollar cigarette lighter converter and bre... Mar 24 2024, 05:32 PM technicalninja
No affiliation, but I don't think you can bui... Mar 24 2024, 06:08 PM FlacaProductions Why not just use the power supply that came with i... Mar 24 2024, 06:45 PM jim_hoyland
Why not just use the power supply that came with ... Mar 24 2024, 06:47 PM SirAndy
Why not just use the power supply that came with... Mar 24 2024, 06:55 PM SirAndy
[quote name='jim_hoyland' post='3135679' date='Ma... Mar 24 2024, 07:03 PM jim_hoyland Found this on Amazon: Mar 24 2024, 07:08 PM SirAndy That should work.
And if you're running this o... Mar 24 2024, 07:13 PM FlacaProductions or one of these:
https://www.amazon.com/gp/produc... Mar 25 2024, 08:39 AM |
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