![]() You should now see serial data output in the console. Choose Setup > Serial port from the setting menu and configure these settings:.You can use any terminal emulator program to send and receive data to and from the micro:bit over the USB serial lead. Click the REPL button to view raw output from the device, or click Plotter to see a live plot of data from the device The Mu editor for Python allows you to read and plot serial input, and also features REPL (Read-Eval-Print-Loop), allowing you to write & test code on your micro:bit in real-time. Clicking the blue button in the right corner will generate a CSV file, which allows you to view and edit the serial data in Excel. Write a program using the serial blocks and flash it to the micro:bit, then click Show console Device to view a plot of serial data. MakeCode allows you to read and plot serial data from the micro:bit, allowing you to accurately log data from the device's sensors.Ĭonnect your micro:bit to the computer with a USB cable then open in a Chrome-based browser. Note that WebUSB is currently only supported by Chrome.ĭiscover how to use WebUSB in this knowledge base article. The Python editor also features REPL (Read-Eval-Print-Loop), allowing you to write & test code on your micro:bit in real-time. WebUSB is still in beta we're currently looking for help testing it, and we'd love for you to get involved.īoth editors allow you to stream and plot serial data in-browser. WebUSB allows you to read serial data in your web browser using the Python or JavaScript Blocks editors. Using a computer terminal or serial program.Once you have programmed your micro:bit you will need a way of sending and receiving serial data on the connected computer using one of these options: You can read or write serial data in JavaScript Blocks using the advanced serial blocks. You can read serial messages from the computer using the UART module. ![]() In Python, the 'print' statement sends a string from the micro:bit to the connected computer over serial. You can send and receive data over serial on the micro:bit using both Python and Makecode for micro:bit. ![]() This is useful for debugging programs as well as data logging, or using your micro:bit as a controller for your computer. When your micro:bit is connected to a computer with a USB cable it is able to send and receive data using 'serial' communication.
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