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Uart Sensor using Sparkfun Pro Micro

Here is an example of an EV3 UART sensor based a Sparkfun Pro Micro Arduino clone and a Dexter Industries breadboard adapter. It uses the EV3UARTEmulationHard library. This could be used with a variety of cheap sensors. It is shown with an MQ-2 gas sensor. There is also a Bluetooth serial adapter. This could be … Continue reading

UART Compass Sensor

This is an example of a homemade EV3 UART sensor using an HMC5883L compass module, which can be bought cheaply from ebay or amazon. I am using an Arduino Uno, but a smaller device like an Arduino Nano or a Sparkfun Arduino Pro Micro would be better. The code below implements two modes: the raw … Continue reading

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