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Forum Index : Microcontroller and PC projects : Current reference design for HDMI Pico 2 board

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karlelch

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Joined: 30/10/2014
Location: Germany
Posts: 256
Posted: 07:23am 03 Oct 2025
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Hi,

I am looking for the most current reference design for the HDMI version of the Pico 2 board - is it the one that was advertised in the SC article this Spring (Pico 2 Computer) and is linked on their website? If not, could someone please point me to the thread here?

Another question: I uploaded the files from SC to JLCPCB and one part is not available, the 4.7 mH inductor. They have an inductor with similar specs except that it is 45 Ohm instead of 32 Ohm - would that be acceptable?

Many thanks and best
Thomas
 
matherp
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Joined: 11/12/2012
Location: United Kingdom
Posts: 10464
Posted: 07:43am 03 Oct 2025
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Is this the version that uses a Pico2? The latest version uses an on board RP2350 and has I2S audio so doesn't use those inductors
 
karlelch

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Joined: 30/10/2014
Location: Germany
Posts: 256
Posted: 07:56am 03 Oct 2025
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Its in the .zip ("Pico 2 Computer PCB.zip") on this page:
https://www.siliconchip.com.au/Shop/10/1841
 
phil99

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Joined: 11/02/2018
Location: Australia
Posts: 2766
Posted: 08:02am 03 Oct 2025
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As it has a 220Ω resistor in series I doubt it will make much difference.
Volhout will let you know if this is wrong.

The SC article is in April 2025, Pico 2 Computer, but so far can't find the TBS thread.
 
karlelch

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Joined: 30/10/2014
Location: Germany
Posts: 256
Posted: 08:10am 03 Oct 2025
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  matherp said  Is this the version that uses a Pico2? The latest version uses an on board RP2350 and has I2S audio so doesn't use those inductors

Can you please point me at the thread with the latest version? Thanks!
 
matherp
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Posted: 08:19am 03 Oct 2025
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https://www.thebackshed.com/forum/ViewTopic.php?TID=17301&P=11
 
karlelch

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Joined: 30/10/2014
Location: Germany
Posts: 256
Posted: 08:36am 03 Oct 2025
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  matherp said  https://www.thebackshed.com/forum/ViewTopic.php?TID=17301&P=11

Thanks Peter!
 
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