For Arduino: microbit I2Cslave XMIT RECV.For micro:bit: I2CToArduino MicroBlocks program.We used KEYESTUDIO KS0308 Motor Breakout Boardīut many others that expose pins 19 and 20 of micro:bit will do just fine. Some version of micro:bit breakout board.Then we will look at the coding required for both devices to implement the I2C protocol.įollowing that, we will exchange some messages between micro:bit and Arduino. You will follow the Setup instructions for cabling the two devices to establish a link between them and to power them. In our project, micro:bit will be master and Arduino will be slave. The other SDA is used to transfer data in both directions.ĭevices are designated either as Master or Slave, with Master controlling all the exchanges.
One cable SCL provides the clock signaling between the systems. I2C uses just two cables and is very easy to set up. In this writeup we will establish an I2C link from a micro:bit to an Arduino and communicate between them. MicroBlocks supports both I2C and SPI communications.
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