From: news@cct-net.co.uk   
      
   On 09/04/2024 21:40, druck wrote:   
   > On 09/04/2024 13:52, Adrian wrote:   
   >> Apart from the Pi4, to upgrade, I know that I will need a bigger power   
   >> supply and a HDMI adapter lead, but after, things are a bit vague.   
   >> Can I get away with the Pi4 without any additional cooling, or do I   
   >> need a heat sink or fan, and if so, how do they get on with the hat ?   
   >> The space it is in has had a temperature range of -1 to 40 degrees C,   
   >> the mean across that time is about 15.5C.   
   >   
   > 40C is quite a high ambient temperature. If you are going to run the Pi   
   > 4B hard with the likes of matplotlib, passive cooling my not be enough   
   > to stop it throttling. One of mine has a large heat sink case with no   
   > fan and never goes over 60C, but that's at a 20C ambient. For 40C   
   > ambient, I would recommend a fan case, go for a 40mm fan if you want it   
   > to be quiet, 30mm ones can be noisy.   
   >   
   > ---druck   
   >   
      
   On Pi4 I use the Argon ONE V2 case - good case with sensible fan. I have   
   a V3 for the Pi5, excellent with their M2 bottom. Both available from   
   the Pi Hut UK   
      
   --   
   Chris   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)