[Buildroot] Orange Pi HDMI to VGA output

Peter Korsgaard peter at korsgaard.com
Tue Sep 5 10:33:56 UTC 2017


>>>>> "Kurt" == Kurt Van Dijck <dev.kurt at vandijck-laurijssen.be> writes:

Hi,

 > My experience with HDMI to VGA convertors, on a beaglebone:

 > an "HDMI to VGA" convertor needs power.
 > An HDMI port provides, per spec, up to 10mA or so.
 > So, if you're using such HDMI to VGA convertor:
 > The beaglebone has a polyfuse to enforce this current limit.
 > Then the HDMI to VGA will never actually power up and fail to
 > emit VGA signal.
 > I once managed to succeed here with bypassing the polyfuse with a wire.

Alternatively, the HDMI-to-VGA adapters I've seen typically can be
powered through USB (sometimes not exposed on the outside though).

-- 
Bye, Peter Korsgaard


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