Read the statement by Michael Teeuw here.
Powering my mirror?
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@MadScientist
Will both the LCD and the step down wire to the same wire? Will this lower the 12 volts from the lcd? -
You split the 12V output of your power supply. One set of wires (plus and Gnd) goes to your LCD controller board (check polarity!) and one set to your step-down-converter, which is regulated to 5.1V for the Pi.
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My point is that all the power supply’s under 80W only have one set of output wires.
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Just use luster terminals.
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@MadScientist sorry for so many questions. But won’t I need to solder them in a “T”? Or get a T splice?
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Don’t be afraid to ask…
Pic says more than a thousand words…
You can solder the wires together but that’s not really needed.
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@MadScientist ok awesome! That really did help I wasn’t thinking of doubling them up in the terminal.
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https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F191903753580
This converter isn’t adjustable and it’s only 5.0 v would this work? -
https://www.ebay.com/itm/1PCS-DC-DC-LM2596-power-Supply-Buck-Converter-step-down-module-NEW-CA/142147326064?hash=item2118a41070:g:L1kAAOSwvzRXzOBg
or
https://www.ebay.com/itm/DC-DC-Buck-Step-down-Regulator-Converter-4-2-23v-to-3V-3-3V-5V-9V-12V-24V-Module/112472493337?hash=item1a2fe20d19:g:dCsAAOSwdd9aVjD6
should do. They are adjustable via a potentiometer. Iam using the latter one for a Pi Zero but the 3A are enough to power a Pi3 easily. You should check aliexpress.com since most of the low priced parts already come from China. They will be even cheaper and are the very same product. -
How do these look?
http://s.aliexpress.com/67rmau6V?
http://s.aliexpress.com/vuaEjyAR?
