On 16/01/2020 13:27, whisky-dave wrote:
On Thursday, 16 January 2020 07:46:37 UTC, Brian Gaff (Sofa 2) wrote:


wouldn;t be very effcient though , which could be important if yuor 12V is coming from a battery.



Use a buck regulator which will be 85% + efficient. Plenty of cheap ones
on amazon
pack of 8 for a tenner:-

https://www.amazon.co.uk/Valefod-Eff...dp/B07DYP6L35/






Can you not just supply the 5v from the 12v via a regulator?
Brian

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"fred" wrote in message
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I wish to run a Neos security camera from a 12v supply. The following
is from the spec sheet
Power Adapter: Input 110-240V (AC/DC) Output 5V/1000mA

What power 12v to 240v dc inverter would i require ?

Is it likely to be as fussy as a computer would be (pure sine wave )?