Using DS18B20 digital temperature sensor on AVR ... - teslabs

Index
1. Introduction.................................................................................................. ...........................3
2. Making the circuit............................................................................................ .......................4
3. Working with <strong>DS18B20</strong>............................................................................... ...........................5
3.1. A critical operation: timing................................................................... ............................5
3.2. Useful definitions...................................................................................... ........................8
3.3. Thermometer initialization.................................................................................... ............8
3.4. Read/Write operations...................................................................................... .................9
3.4.1. Reading/Writing individual bits............................................................. ...................9
3.4.2. Reading/Writing bytes................................................................................. ............10
3.5. Available commands..................................................................................................... ...11
3.6. The last step: reading the <strong>temperature</strong>................................................... .........................12
4. Bibliography...................................................................................................................... .....15
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