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Important

This project is still available for exploration, but is no longer actively maintained or updated.
We recommend switching to the Blynk MQTT API for a robust and future-proof experience.
Support for this project will be phased out over time.
You can explore some useful MQTT examples here.

Python client for Blynk IoT

Note: The library has been updated for Blynk 2.0.
Please remain on v0.2.0 for legacy Blynk.

If you like Blynk - give it a star, or fork it and contribute!

What is Blynk?

Blynk provides iOS and Android apps to control any hardware over the Internet or directly using Bluetooth. You can easily build graphic interfaces for all your projects by simply dragging and dropping widgets, right on your smartphone. Blynk is the most popular IoT platform used by design studios, makers, educators, and equipment vendors all over the world.

Download

Blynk Mobile App: Google Play | App Store

Documentation

Social: Webpage / Facebook / Twitter / Kickstarter
Documentation: https://docs.blynk.io
Community Forum: http://community.blynk.cc
Blynk for Business: http://www.blynk.io

Usage example

import BlynkLib

# Initialize Blynk
blynk = BlynkLib.Blynk('YourAuthToken')

# Register Virtual Pins
@blynk.VIRTUAL_WRITE(1)
def my_write_handler(value):
    print('Current V1 value: {}'.format(value))

@blynk.VIRTUAL_READ(2)
def my_read_handler():
    # this widget will show some time in seconds..
    blynk.virtual_write(2, int(time.time()))

while True:
    blynk.run()

Features

Python 2, Python 3, MicroPython support
Linux, Windows, MacOS support
virtual_write
sync_virtual
set_property
log_event
events: Vn, connected, disconnected, invalid_auth
TCP and secure TLS/SSL connection support
can run on embedded hardware, like ESP8266, ESP32, W600 or OpenWrt

Ubuntu/Linux/Raspberry Pi installation

pip install blynk-library-python

For Blynk.Edgent Dynamic Provisioning, please see examples/Edgent_Linux_RPi

ESP32/ESP8266 installation

Get the latest MicroPython firmware and flash it to your board
Edit ESP8266_ESP32.py example (put your auth token and wifi credentials)
Use ampy or any other method to transfer files to the device
```
export AMPY_PORT=/dev/ttyUSB0
ampy mkdir /lib
ampy put BlynkLib.py /lib/BlynkLib.py
ampy put ./examples/hardware/ESP8266_ESP32.py main.py
```
Note: LoBo firmware stores files uder /flash directory, use ampy mkdir /flash/lib and so on
Open device terminal and reboot the board (or type execfile('main.py'))
For ESP8266, you may need to disable secure connection using:
```
blynk = BlynkLib.Blynk('YourAuthToken', insecure=True)
```

License

vshymanskyy/blynk-library-python

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