We stock the boards, sensors and modules this project needs. A full parts list is coming soon — for now, browse our DIY Kits & components or search for Arduino parts.
The DS18B20 temperature sensor communicates with the Arduino Nano using the single-wire One-Wire protocol. The Arduino processes these precise digital temperature readings and updates the 0.96-inch OLED display over I2C to show current temperatures in real time.
Why Build This
Monitor room or greenhouse temperatures accurately in real time
Learn how to combine sensors and displays using an Arduino Nano
Easily expandable for data logging, IoT, or multi-sensor arrays
Real-World Application
This system can be deployed in home automation for climate control, greenhouses for plant growth optimization, or integrated into personal weather stations for environmental tracking.
Skills You'll Learn
Interfacing digital temperature sensors with Arduino
Using the One-Wire communication protocol
Driving I2C OLED displays with graphics libraries
Building and testing circuits on a breadboard
Safety Precautions
Always double-check your power and ground connections before connecting the USB cable to prevent short circuits. Ensure correct placement of the 4.7kΩ pull-up resistor on the DS18B20 data line to avoid erratic sensor readings or hardware damage.
Technology Tags
ARDUINO NANO
DS18B20
OLED DISPLAY
TEMPERATURE SENSOR
ONE-WIRE PROTOCOL
BREADBOARD
Frequently Asked Questions
It acts as a pull-up resistor for the DS18B20 data line, ensuring stable and reliable communication with the Arduino Nano via the One-Wire protocol.
Yes, because the DS18B20 uses the One-Wire protocol, you can wire multiple sensors to the same data pin and address them individually.
Yes, the temperature data is processed by the Arduino code, meaning you can program it to calculate and display either Celsius or Fahrenheit.
This page is part of Kitkraft's Project Hub — a curated collection of electronics & robotics projects gathered from the maker community to help students and hobbyists discover and learn to build. Kitkraft does not claim authorship of the original project, and makes no representation as to the accuracy, completeness or safety of third-party source material. The summary and "How It Works" explanation above are AI-generated, rewritten with reference to the original tutorial — not a reproduction of it. Full credit and a direct link to the original source are provided above. If you're the original creator and have a concern about how your work is represented here, please contact us and we'll address it promptly.
