Hello everybody,
I am a fan of Arduino boards but I think that a standardisation of 'compatible modules' using Rx-Tx, I2C or SPI bus, should be done .
All the modules should have the same pins position for example:
RX-TX-VCC-GND
SCL,SDA,VCC-GND
CS-MOSI-MISO-SCK-VCC-GND
and for modules using I2C and SPI
CS-MOSI-MISO-SCK-SCL-SDA-VCC-GND
the first two lines beeing based on Arduino UNO extension connector
That would save time wasting when you have to integrate or change sensors.
To day you can find on the market all the arrangements man can imagine
Situation is like for old RS232 that users said of it ' you can make 232 errors each time you use it!'
Have a good day
