![]() And this is measured by the number of failed read methods within the stream. On initial testing, the Raspberry Pi B3 outperforms the Pi Zero by more than a hundred times. However, the example code is still a work in progress, and some tuning is still necessary for the final I2C serial application. Using the included example code, I was able to test the performance of both the Raspberry Pi B3 and the Raspberry Pi Zero. Also, the Arduino microcontroller executes program functions in real-time as opposed to an operating system queueing tasks for execution. And this is due to the Arduino having onboard peripherals such as Timers, ADC and many more built-in modules. I think it’s true that the Arduino boards are a much more reliable platform than the Raspberry Pi when comes to timing critical functions. I also include both Raspberry Pi and Arduino code to demonstrate the use of the serial interface. So, in this feature, I look at how to access an Arduino board from the Raspberry Pi using this serial bus. ![]() ![]() ![]() At some point, I’ll be looking to extend my Raspberry Pi robot, and one of the ways to do that is to use I2C (Inter-Integrated Circuit) serial devices. ![]()
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