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leon-anavi/ds18b20.py

Created September 20, 2025 17:39
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Python 3 script to measure temperature from DS18B20 digital 1-wire sensor attached to Raspberry Pi
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ds18b20.py
import glob
device_file = glob.glob('/sys/bus/w1/devices/28-*')[0] + '/w1_slave'
with open(device_file, 'r') as f:
temp_str = f.readlines()[1].split('t=')[-1]
temp_c = float(temp_str) / 1000.0
print(f"Temperature: {temp_c:.2f} °C")
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