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en:iot-open:practical:hardware:sut:esp32:emb4_1 [2024/03/21 20:43] – [Steps] pczekalskien: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>Finish this scenario </todo> 
 ====== EMB4: 1-Wire Temperature Sensor ===== ====== EMB4: 1-Wire Temperature Sensor =====
 The temperature-only sensor **DS18B20** uses a 1-wire protocol. "1-wire" applies only to the bidirectional bus; power and GND are on separate pins. The sensor is connected to the MCU using GPIO 6 only. Many devices can be connected on a single 1-wire bus, each with a unique ID. **DS18B20** also has a water-proof metal enclosure version (but here, in our lab, we use a plastic one) that enables easy monitoring of the liquid's temperature. The temperature-only sensor **DS18B20** uses a 1-wire protocol. "1-wire" applies only to the bidirectional bus; power and GND are on separate pins. The sensor is connected to the MCU using GPIO 6 only. Many devices can be connected on a single 1-wire bus, each with a unique ID. **DS18B20** also has a water-proof metal enclosure version (but here, in our lab, we use a plastic one) that enables easy monitoring of the liquid's temperature.
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 === Step 4 === === Step 4 ===
 +<todo @pczekalski #ktokarz:2024-04-22> check if you don't need to call sensors.requestTemperatures(); before the code below </todo>
 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?**: Answer. 
-// 
  
 +
 +<WRAP noprint>
 ===== Project information ===== ===== Project information =====
 {{:en:iot-open:logo_iot_200_px.png?200|}}\\ {{:en:iot-open:logo_iot_200_px.png?200|}}\\
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 {{:en:iot-open:ccbync.png?100|}} {{:en:iot-open:ccbync.png?100|}}
 </figure> </figure>
 +</WRAP>
  
  
en/iot-open/practical/hardware/sut/esp32/emb4_1.1711053811.txt.gz · Last modified: 2024/03/21 20:43 by pczekalski
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