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en:iot-open:practical:hardware:sut:esp32:emb4_1 [2024/03/21 20:43] – [Steps] pczekalski | en:iot-open:practical:hardware:sut:esp32:emb4_1 [2024/04/22 17:55] (current) – ToDo checked: check if you don't need to call sensors.requestTemperatures(); before the code below ktokarz | ||
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- | <todo @pczekalski> | ||
====== EMB4: 1-Wire Temperature Sensor ===== | ====== EMB4: 1-Wire Temperature Sensor ===== | ||
The temperature-only sensor **DS18B20** uses a 1-wire protocol. " | The temperature-only sensor **DS18B20** uses a 1-wire protocol. " | ||
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=== Step 4 === | === Step 4 === | ||
+ | <todo @pczekalski # | ||
Read the data: | Read the data: | ||
<code c> | <code c> | ||
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The observable temperature is usually within the range of 19-24C. If you find the temperature much higher, check your code, and if that is okay, please contact our administrator to inform us about the faulty AC. | The observable temperature is usually within the range of 19-24C. If you find the temperature much higher, check your code, and if that is okay, please contact our administrator to inform us about the faulty AC. | ||
- | ===== FAQ ===== | ||
- | This section is to be extended as new questions appear. \\ | ||
- | When using the printed version of this manual, please refer to the latest online version of this document to obtain the valid and up-to-date list of the FAQ. | ||
- | //Provide some FAQs in the following form:\\ | ||
- | **Question? | ||
- | // | ||
+ | |||
+ | <WRAP noprint> | ||
===== Project information ===== | ===== Project information ===== | ||
{{: | {{: | ||
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{{: | {{: | ||
</ | </ | ||
+ | </ | ||