There are two main models of usage of Firmata. In one model, the author of the Arduino sketch uses the various methods provided by the Firmata library to selectively send and receive data between the ...

In our previous tutorial learned about SPI communication in Arduino. Today we will learn about another Serial Communication Protocol: I2C (Inter Integrated Circuits). Comparing I2C with SPI, I2C has ...

/home/sho/src/ruby/arduino_firmata/lib/arduino_firmata/arduino.rb:65:in `close': closed stream (IOError) from /home/sho/src/ruby/arduino_firmata/lib/arduino_firmata ...