Micropython on Adafruit Huzzah esp8266: Difference between revisions
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(Created page with "== Installation == *Download micropython firmware for esp8266 Go to http://micropython.org/download#esp8266 and download the stable firmware file of the board (for example: e...") |
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*#Change the Serial Speed to 115200. It is the default speed for micropython REPL | *#Change the Serial Speed to 115200. It is the default speed for micropython REPL | ||
*#Click Open | *#Click Open | ||
[[File: putty_com_example_sc.png | [[File: putty_com_example_sc.png]] | ||
[[FIle: micropython_repl_example_sc.png | [[FIle: micropython_repl_example_sc.png]] | ||
Note: to see which com port the device is on in windows. We can: | Note: to see which com port the device is on in windows. We can: | ||
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#Click on Ports (COM & LPT) | #Click on Ports (COM & LPT) | ||
#The Device will be list with Name and port number | #The Device will be list with Name and port number | ||
[[File: com_port_device_manager_sc.png | [[File: com_port_device_manager_sc.png]] | ||
== Control GPIO == | == Control GPIO == | ||
Revision as of 10:59, 18 December 2017
Installation
- Download micropython firmware for esp8266
Go to http://micropython.org/download#esp8266 and download the stable firmware file of the board (for example: esp8266-20171101-v1.9.3.bin).
- Install esptool
We need to install esptool to flash the firmware from the computer to the esp8266 board. We use the python pip to install the esptool with the following command:
pip install esptool
Or
python -m pip install esptool
- Using esptool to erase the flash on device
Once we install the esptool, we can use the esptool.py to erase the flash with the command:
esptool.py --port /dev/ttyUSB0 erase_flash
Or for Windows with com serial port: com + port number
esptool.py --port com4 erase_flash
Micropython REPL
- Using Putty on Windows
- Download and install Putty from: https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html
- Open putty.exe to start the program
- Click on Serial
- Enter Serial Line port (for example COM4)
- Change the Serial Speed to 115200. It is the default speed for micropython REPL
- Click Open
Note: to see which com port the device is on in windows. We can:
- Connect the device via usb cable
- Open device manager.
- Click on Ports (COM & LPT)
- The Device will be list with Name and port number
Control GPIO
Connect to WiFi
MQTT
DHT Sensor
References
Getting started with MicroPython on the ESP8266: https://docs.micropython.org/en/latest/esp8266/esp8266/tutorial/intro.html