Micropython for the iot
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MicroPython is an implementation of Python 3 optimized for microcontrollers and embedded systems. It runs on low-cost boards with as little as 256KB of flash memory and 16KB of RAM. MicroPython enables microcontrollers to be programmed using the Python language, making IoT development easier and more accessible. During the presentation, the speaker demonstrates installing MicroPython on a microcontroller board and implements a simple IoT device with sensors through live coding.
![From Python 2 to Python 3
Python 2.7 Python 3.7
>>> [round(i+0.5) for i in range(6)]
[1.0, 2.0, 3.0, 4.0, 5.0, 6.0]
>>> [round(i+0.5) for i in range(6)]
[0, 2, 2, 4, 4, 6]
>>> print "Hello"
Hello
>>> print "Hello"
SyntaxError: Missing parentheses in call
to 'print'. Did you mean print("Hello")?
>>> 5/2
2
>>> 5/2
2.5
>>> map(lambda x: 2**x, range(6))
<map object at 0x1026d34a8>
>>> map(lambda x: 2**x, range(6))
[1, 2, 4, 8, 16, 32]](https://image.slidesharecdn.com/micropythonfortheiot-190502104536/85/Micropython-for-the-iot-16-320.jpg)
Micropython for the iot
- 1. MicroPython for the IoT 16th Fribourg Linux Seminar - 2 may 2019 Jacques Supcik • @supcik [email protected]
- 3. Typical 19” Rack Server User Application Software Operating System Hardware
- 4. “Big” embedded systems User Application Software Operating System Hardware
- 5. Traditional “small” embedded systems User Application Software Hardware
- 6. Small embedded system with “mini” OS User Application Software Operating System Hardware ( ) C / C++
- 7. Small embedded system with MicroPython User Application Software MicroPython Hardware Python
- 8. Why Python ?
- 9. C was good in 1972 Computers changed a lot in 47 years
- 11. Guido van Rossum Benevolent Dictator For Life (BDFL) “Computer Programming for Everybody” ● An easy and intuitive language just as powerful as major competitors ● Open source, so anyone can contribute to its development ● Code that is as understandable as plain English ● Suitability for everyday tasks, allowing for short development times
- 12. Improved Programmer’s Productivity Extensive Support Libraries Easy to learn High Level Community Object-oriented Extensible (in C/C++) Portable
- 14. PyPi
- 15. Python is almost 30 years old
- 16. From Python 2 to Python 3 Python 2.7 Python 3.7 >>> [round(i+0.5) for i in range(6)] [1.0, 2.0, 3.0, 4.0, 5.0, 6.0] >>> [round(i+0.5) for i in range(6)] [0, 2, 2, 4, 4, 6] >>> print "Hello" Hello >>> print "Hello" SyntaxError: Missing parentheses in call to 'print'. Did you mean print("Hello")? >>> 5/2 2 >>> 5/2 2.5 >>> map(lambda x: 2**x, range(6)) <map object at 0x1026d34a8> >>> map(lambda x: 2**x, range(6)) [1, 2, 4, 8, 16, 32]
- 17. Python 2 EOL in 2020 and Google “Grumpy” https://github.com/google/grumpy Python 2.7 to Go source transpiler and runtime
- 18. Python is one of the most loved language in 2018 https://insights.stackoverflow.com/survey/2018
- 19. and Python is the most wanted language https://insights.stackoverflow.com/survey/2018
- 21. MicroPython
- 22. MicroPython “it is compact enough to fit and run within just 256k of code space and 16k of RAM”
- 23. MicroPython Code Size < 80KB http://micropython.org/resources/code-dashboard/
- 24. MicroPython Created in 2013 by Damien George, Australian programmer and physicist
- 25. Kickstarter 2013 : PyBoard + MicroPython
- 26. BBC micro:bit : 2016 nRF51822, 16 MHz ARM Cortex-M0
- 27. “We enable and inspire all children to participate in the digital world, with particular focus on girls and those from disadvantaged groups” Micro:bit Educational Foundation
- 28. BBC Acorn (Cambridge / UK) 1981 : BBC Micro. 6502 CPU 1987 : Archimedes. ARM CPU
- 31. Runs on Cortex M3 and Tensilica Xtensa CPUs
- 32. ESP8266 ● Wifi 802.11 b/g/n ● 4MB Flash ● 32 KiB instruction RAM ● 32 KiB instruction cache RAM ● 80 KiB user-data RAM US$ 5
- 33. ESP32 ● Wifi 802.11 b/g/n ● Bluetooth v4.2 BR/EDR(*) and BLE(*) ● Dual Core ● 4MB Flash ● 520 KiB SRAM *) BR = Basic Rate, EDR = Enhanced Data Rate, BLE = Bluetooth Low Energy US$ 8
- 34. PyBoard ● STM32F405RG ● 168 MHz Cortex M4 with hardware floating point ● 1MiB flash ROM and 192KiB RAM ● 3-axis accelerometer US$ 44
- 35. US$ 58 - 90
- 36. PyBoard (clone) ● STM32F405RG ● 168 MHz Cortex M4 with hardware floating point ● 1MiB flash ROM and 192KiB RAM ● 3-axis accelerometer US$ 17
- 37. Digi XBee3® Cellular LTE CAT 1 US$ 100 https://www.digi.com/products/embedded-systems/cellular-modems/xbee3-cellular-lte-cat-1 “Integrated MicroPython programmability for edge compute”
- 40. Pycom LoPy US$ 30 MicroPython enabled development board (LoRa, WiFi, Bluetooth) https://www.seeedstudio.com/micropython-c-962/Pycom-LoPy-MicroPython-enabled-d evelopment-board-LoRa-WiFi-Bluetoot-p-2785.html
- 41. MicroPython on bare metal Raspberry Pi Zero https://github.com/boochow/micropython-raspberrypi
- 42. MicroPython on servers and desktop https://github.com/micropython/micropython/wiki/Getting-Started
- 43. Commercial support : Zerynth https://www.zerynth.com/
- 44. Live Coding
- 47. Remote temperature sensor and LED
- 48. “Sonar” to measure distances https://gitlab.forge.hefr.ch/fribourg-linux-seminar/19.05/py-sonar
- 49. “Sonar” to measure distance
- 50. References http://bit.ly/upython19 ● https://micropython.org/ ● https://www.python.org/ ● GOTO 2016 • MicroPython & the Internet of Things by Damien George ● 35C3 - MicroPython – Python for Microcontrollers ● Pycon Ireland 2017: MicroPython : The Next Step to World Domination by Steve Holden ● https://io.adafruit.com ● MicroPython for Leon (ESA) ● Writing fast and efficient MicroPython ● The Early Days of MicroPython
- 51. Backup
- 52. Abstract According to the 2018 survey of Stack Overflow, Python is one of the most loved programming languages and the most wanted one. Python is used in many world-class software companies as well as in high schools, colleges and universities. MicroPython is an implementation of the Python 3 programming language optimized for embedded systems. During this presentation, I will present MicroPython and its derivatives, and I will show you some typical use cases for MicroPython. In the second part, I will demonstrate how to install the system on a cheap microcontroller and during a live coding session, I will implement a functional IoT device.