EVN ALPHA MicroPython

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Docs

Every guide and reference page, by what you want to do.

Start here

Getting startedSwitch the board on, flash the firmware, run the first program.TroubleshootingKnown limitations and help us testWhat does not work as you might expect yet, what is untested, and how to report a problem.

Program the robot

Programs: run, stop, ports and unitsBlocks referenceThe block editor and the MicroPython each block generates.API referenceEvery class and function of the evn module, with units and defaults.The board, the motors, the drive base and the posePorts, programs, the data logger and timingUsing the REPLThe board’s Python prompt: opening it, the keys, and motors at the prompt.A program that starts from the user button

Use the simulator

The robot simulatorChallengesWRO RoboMissionThe RoboCup Junior refereeConfiguring the robot

See and record data

The Board view and the live consoleRecording dataThe notebook

For teachers

The lessons: a free previewRunning a challengeThe simulator licence

The board

The board: buttons, lights and pinsCalibrating your robotMotors, IMU, compass, colour sensors and the VL53L1X: from the Board view, from Python and from blocks.Working without the USB cableStandard peripherals: sensorsStandard peripherals: displays, lights, servo and BluetoothExtended peripherals

Updates and changes

Commands and updatesWhat’s newThe main changes of each release, in a few lines, and the full changelog.Full changelog

Sensors and displays

Plug a sensor or a display into any of the sixteen sensor ports and the board finds it by itself: it shows up by name in the Board panel. Servos and LED strips plug into the servo ports and the Bluetooth module into a serial port.

Three EVN colour-sensor modules in black printed housings, one showing its TCS34725 board with two white LEDs.Colour sensorFollow a line, sort by colourEVN distance-sensor modules in black printed housings, the time-of-flight sensor facing the camera.Distance sensorHow far away a wall isAn EVN IMU module standing upright, its blue MPU-6500 breakout labelled VCC, GND, SCL, SDA visible through the housing.IMUWhich way the robot facesEVN compass modules in printed housings, the magnetometer board facing the camera.CompassA heading from the Earth’s fieldAn EVN OLED module in a white printed housing, its 128 by 64 display facing the camera between two other modules.DisplayText and picturesAn EVN 8 by 8 LED matrix module in a printed housing, the matrix facing the camera.LED matrixIcons and scrolling text

Every EVN module

Kit you may already own

These work the same way, though EVN does not sell them (the extended peripherals).