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menu_book Course Curriculum (Raspberry Pi) expand_more
Linux & Setup
Raspberry Pi OS imaging headless SSH setup hostname configuration package updates systemd service basics journalctl logs environment variables Python virtual environment
GPIO Digital I/O
GPIO pin numbering digital output LED digital input button pull-up resistor button debounce PWM LED brightness GPIO cleanup edge detection
Sensors & Buses
I2C device scan I2C sensor read SPI overview SPI transfer UART serial read 1-Wire temperature sensor ADC via external chip sensor calibration
Automation
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static IP concept mDNS hostname Wi-Fi configuration SSH key authentication SFTP file transfer Nginx reverse proxy firewall with ufw network diagnostics
Hardware Projects
servo control ultrasonic distance sensor relay module safety RGB LED mixing buzzer tone PIR motion sensor rotary encoder safe shutdown button
Raspberry Pi / Sensors & Buses

1-Wire temperature sensor

Learn 1-Wire temperature sensor in Raspberry Pi with a dedicated explanation, a concept-specific example, practical cautions, and a mastery check.

12 min read • Intermediate
raspberry-pi-022.py
python 
from pathlib import Path
raw=Path('/sys/bus/w1/devices/28-000000000000/w1_slave').read_text()
t=int(raw.split('t=')[1])/1000
print(f'{t:.2f} C')
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Lesson quizzes

1-Wire temperature sensor Mastery Check →
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UART serial read
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ADC via external chip