From poolDuino to bbPool

My fisrt pool monitoring system was Arduino based (more info here.) It could collect pH, ORP and temperature from my pool and store it on an SD card. But I wanted to send all this data to some web site like my own emoncms.

So I needed Internet access. To do this with an Arduino, I either need

  • An Arduino Uno + an ethernet shield (~20€ + 35€ = ~55€)
  • An Arduino Ethernet (~60€)
  • An Arduino Uno + Wireless Shield + RN-XV Wifly (~20€ + +17€ + 44€ = 81€ )
  • An Arduino Yùn (~62€)

But…

  • If I want Wifi, I found RN-XV module difficult to use and quite instable (no sure though if it is my program, the libs I use or the wifly itself.)
  • A Raspberry Pi is less than 40€, has build in ethernet, is way more powerfull… and adding Wifi is ~20€

Problem though : Pi has only 1 UART available… and I needed 2. I known there are workarounds but having a look around, I stumbled upon BeagleBone Black (BBB) :

  • Build in ethernet
  • Many GPIO ports and several UARTs
  • Running Linux

And “only” 45€ !

So I decided I’ll give it a try : poolDuino is now becoming bbPool !

 

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