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en:edu:zmitac:macro:embedeed:lab:esp [2021/12/21 14:26] – [FAQ] pczekalskien:edu:zmitac:macro:embedeed:lab:esp [2021/12/21 14:33] (current) – [Connecting to the nodes] pczekalski
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 <note important>The 4x20 LCD display is connected via I2C bus to the ESP microcontroller and its address varies, depending on the node, see the documentation below.</note>  <note important>The 4x20 LCD display is connected via I2C bus to the ESP microcontroller and its address varies, depending on the node, see the documentation below.</note> 
  
-<note important>The DHT sensor is connected to the ESP microcontroller using a single GPIO and there are two types of them! Please see the documentation below.</note>+
  
 ==== Actuators ==== ==== Actuators ====
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 ==== Sensors ==== ==== Sensors ====
 In the following scenarios, you will use a DHT, integrated temperature-humidity sensor. \\ In the following scenarios, you will use a DHT, integrated temperature-humidity sensor. \\
-Sensor types vary between nodes (Figure {{ref>dhtsensors}}): 
-  * Nodes 1 through 4 all use DHT 22 (white sensor);  
-  * Nodes 8 through 11 all use DHT 11 (a blue one); 
  
 <figure dhtsensors> <figure dhtsensors>
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 </figure> </figure>
  
-All of our laboratory nodes use DHT11 sensors. \\ In general, DHT11 and DHT22 sensors differ with accuracy; thus for raw experimentation, it is meaningless.+All of our laboratory nodes use DHT11 sensors(blue one on the Figure {{ref>dhtsensors}}). \\ In general, DHT11 and DHT22 sensors differ with accuracy.
  
 Regarding DHTs, all nodes share the same configuration on the connection level: your DHT is always connected to the D4/GPIO2 pin of the ESP microcontroller. Regarding DHTs, all nodes share the same configuration on the connection level: your DHT is always connected to the D4/GPIO2 pin of the ESP microcontroller.
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 Please follow instructions and remember to fix your theme for Revolution! Your environment should look like in Figure {{ref>vrellab}}.\\ Please follow instructions and remember to fix your theme for Revolution! Your environment should look like in Figure {{ref>vrellab}}.\\
  
-__**Do not book a device for more than 30 minutes in a row (Figure {{ref>vrelbooking}}): respect other students!**__ You can continue working with devices out of regular working hours, see supervisor's guidance on lab availability.+__**Do not book a device for more than 30 minutes in a row (Figure {{ref>vrelbooking}}): respect other students!**__ \\ 
 +You can continue working with devices out of regular working hours, see the supervisor's guidance on lab availability.
  
 The URL for accessing the VREL lab is: [[http://distance.roboticlab.eu]]. The URL for accessing the VREL lab is: [[http://distance.roboticlab.eu]].
en/edu/zmitac/macro/embedeed/lab/esp.1640093174.txt.gz · Last modified: by pczekalski