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   The Natural Philosopher  wrote:   
   > On 27/01/2025 14:24, Chris Green wrote:   
   > >>> Well my boat's system uses just an ancient Pi B+ and I2C to collect   
   > >>> all the data, no other microcontrollers or anything.   
   > >>>   
   > >> Really? What is on the end of the iI2C lines then?   
   > > Various things, for example several I2C temperature and humidity sensors,   
   > > some I2C A2D converters, etc.   
   >   
   > And you think that none of these are, or contain, 'microcontrollers'?   
   >   
   Well almost everything does nowadays!  However they do **present** as   
   a single chip with an I2C interface and nothing else.  You don't have   
   to program them as you would an Arduino or an ESPE32. Thus all my   
   configuration and software is in the Pi and all it does is 'talk I2C'   
   down the wires.   
      
   --   
   Chris Green   
   ·   
      
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