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January 5, 2020 07:28
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Dance of a Smart bulb with music
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| ''' | |
| This is tested with an Ubuntu 19.10. I tested this script with %60 volume and a Bistee Smart WiFi Bulb E26 7W RGBW --> https://smile.amazon.com/gp/product/B07YDKD274/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1 | |
| (1) Assuming that you set the default input device on your machine as monitor of your soundcard (check input devices in `pavucontrol`). | |
| (2) Assuming that you installed sounddevice, flux_led using pip3: sudo pip3 install sounddevice, flux_led . | |
| (3) make sure that you set the ip address of your smart bulb correctly. Check ip_address line in this script. | |
| (4) Simply run this script to make your light dance! | |
| (5) If the light transition isn't good as you want, try playing with kd and kp variables in below. | |
| ''' | |
| import sounddevice as sd | |
| import numpy as np | |
| import subprocess | |
| global volume | |
| volume=0 | |
| duration=10 | |
| kp=100. | |
| kd=1000. | |
| ip_address='192.168.0.100' | |
| def audio_callback(indata, frames, time, status): | |
| global volume | |
| volume = (np.amax(indata)-np.amin(indata))*kd+np.linalg.norm(indata)*kp | |
| volume = int(volume) | |
| if volume > 100: | |
| volume = 100 | |
| elif volume < 1: | |
| volume = 1 | |
| def sound_loop(): | |
| stream = sd.InputStream(callback=audio_callback) | |
| with stream: | |
| sd.sleep(duration) | |
| def main(): | |
| while True: | |
| sound_loop() | |
| cmd = [ | |
| 'flux_led', | |
| '%s' % ip_address, | |
| '-w', | |
| '%s' % volume, | |
| '-1' | |
| ] | |
| proc = subprocess.Popen( | |
| cmd, | |
| stdout=subprocess.PIPE | |
| ) | |
| proc.wait() | |
| # print(cmd,volume) | |
| main() |
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