Slides from Workshop on MicroPython for Microcontrollers held during SciPy <http: /> .

1. Micro Python
ESP8266 + uPy

2. Computers
Micro Processor
Micro Controller

3. Arduino

4. Programming a uC

5. Compiler and Cross Compiler

6. Micro Python
Python 3
Subset of Standard Python
Optimised for Micro Controllers
micropython.org

7. ESP8266 - Hardware Platform
Community
Processing Capabilities
ESP Family
Low Cost

8. ESP12 Dev Kit.
Based on ESP 12 E
32 bit RISC CPU - TenSilica Xtensa LX106
160KB RAM
Onboard WiFi - 802.11 b/g/n
Available in upto 4MB Flash Memory
16 GPIO ,ADC, I2C , SPI

9. Python Interpreter via Serial
Launch GTKTerm - sudo gtkterm
Configuration > Port .
Port = /dev/ttyUSB0
Baud = 1152000
Reset ( RST Button) on Dev Board

10. Hello World via REPL
>>>print(‘Hello world’)
Basic Commands
+,-,*,**

11. Lights Up
>>>import machine
>>>pin = machine.Pin(5,machine.Pin.OUT)
>>>pin.high()
>>>pin.low()
Assignment 1:Blink an led using module time.

12. Read Analog Data
10 Bit ADC : 0 to 1023 (1024 levels)
>>>import machine
>>>adc=machine.ADC(0)
>>>adc.read()
Assignment 2: Create a night lamp

13. Enabling WiFi
Access Point and Station
>>>help()
Connect to Local Wifi
SSID : fossee
Password : fossee123

14. Web REPL
Enable WebREPL
>>>import webrepl_setup
Download zip from scipy.in/2016/downloads/workshop/
Open the file “webrepl.html” in Browser.
In Shell type
./webrepl_cli.py name.py ipaddress:

15. An IoT Setup
Create thingspeak account.
Create channel
Code : https://github.com/akshaim/micropython

16. Questions
Software : srikant@fossee.in
Hardware : mail@akshaim.in