1-Wire Interface with Arduino - DS18B20 Temperature Sensor Tutorial

Learn how to interface with the DS18B20 1-Wire Temperature Sensor using Arduino in this comprehensive 55-minute tutorial. Explore hardware breakdown, code walkthrough, and various operations including reading temperature from a single device, resetting the bus, writing and reading bytes, performing CRC checks, and calculating temperature. Master advanced techniques such as obtaining ROM addresses, searching for multiple devices on the bus, and utilizing alarm functions. Follow along with provided code examples and gain practical insights into working with 1-Wire interfaces for temperature sensing applications.

Hardware Breakdown
Code Walkthrough Starts
How to get the temp of one device on the Bus
Reset the Bus
Writing a Byte to the Bus
Reading the Scratch Pad
Performing the CRC Check of the Scratchpad Read
Temperature Calculations
Get the ROM Address of a single Device
Reading a Byte from the Bus
Get the temperature of a Device with a specific address
Write to the Scratchpad
Search the Bus for devices
Code Walkthrough of the Search Function
Searching the Bus for devices that are Alarming
Demonstration of the Alarm Function