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--- electrical:12v:wallwart [2021/05/02 18:44]
frater_secessus [Devices with power adapters]
+++ electrical:12v:wallwart [2021/05/02 18:48]
frater_secessus [common device voltages]
@@ Line 11: / Line 11: @@
-===== common device voltages =====
+===== device voltages provided by adapters =====
@@ Line 30: / Line 30: @@
 ==== other voltages ====
-Other voltages like 9v and 6v are less common.  If you have multiple devices that use the same odd voltage you might want to buy a DC-DC buck converter and adjust it for the desired voltage.
+Other voltages like 9v and 6v are less common.  If you have multiple devices that use the same odd voltage you might want to buy a DC-DC "buck" converter and adjust it for the desired voltage.
 Inexpensive ones ([[https://amzn.to/2QFmHOx|example]]) typically have a "pot" (screw to turn on a potentiometer) to adjust voltage, so bring your multimeter.  They are so inexpensive you might keep a few pre-tuned and labeled for specific voltages.
@@ Line 38: / Line 38: @@
 If you have an adapter with a weird output voltage and don't want to mess with buck converters a very small, inexpensive inverter might be the thing.  Even one small enough to run from the cigarette lighter ([[https://amzn.to/3gWOKni|example]]).
+==== boost converters ====
+It's rarer still for devices to use adapters that make more than 12vdc.  Increasing voltage from 12vdc to a higher DC voltage requires a "boost" converter ([[https://amzn.to/33bM39j|example]]).  The laptop adapters mentioned earlier are boost converters.

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