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Last modified by Xiaoling on 2025/04/27 16:45
From version 169.6
edited by Xiaoling
on 2022/06/15 09:34
Change comment: There is no comment for this version
To version 170.5
edited by Xiaoling
on 2022/06/15 09:46
Change comment: There is no comment for this version

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101 101  * 8500mAh Battery for long term use
102 102  
103 103  
104 +
105 +
104 104  == 1.3  Suitable Container & Liquid ==
105 105  
106 106  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
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111 111  * Pure liquid without irregular deposition.
112 112  
113 113  
116 +
114 114  == 1.4  Mechanical ==
115 115  
116 116  [[image:image-20220615090910-1.png]]
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194 194  
195 195  
196 196  
197 -== 1.5 ​ Applications ==
200 +== 1.6 ​ Applications ==
198 198  
199 -* Horizontal distance measurement
200 -* Liquid level measurement
201 -* Parking management system
202 -* Object proximity and presence detection
203 -* Intelligent trash can management system
204 -* Robot obstacle avoidance
205 -* Automatic control
206 -* Sewer
207 -* Bottom water level monitoring
202 +* Smart liquid control solution.
203 +* Smart liquefied gas solution.
208 208  
209 -== 1.6  Pin mapping and power on ==
210 210  
206 +== 1.7  Precautions ==
211 211  
212 -[[image:1654847583902-256.png]]
208 +* At room temperature, containers of different materials, such as steel, glass, iron, ceramics, non-foamed plastics and other dense materials, have different detection blind areas and detection limit heights.
209 +* For containers of the same material at room temperature, the detection blind zone and detection limit height are also different for the thickness of the container.
210 +* When the detected liquid level exceeds the effective detection value of the sensor, and the liquid level of the liquid to be measured shakes or tilts, the detected liquid height is unstable.
213 213  
214 214  
213 +== 1.8  Pin mapping and power on ==
215 215  
216 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
217 217  
216 +[[image:1655257026882-201.png]]
217 +
218 +
219 +
220 += 2.  Configure LDDS20 to connect to LoRaWAN network =
221 +
222 +
218 218  == 2.1  How it works ==
219 219  
220 220  (((
221 -The LDDS75 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
226 +The LDDS20 is configured as LoRaWAN OTAA Class A mode by default. It has OTAA keys to join LoRaWAN network. To connect a LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and power on the LDDS75. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value.
222 222  )))
223 223  
224 224  (((
225 -In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0ConfigureLDDS75viaATCommandorLoRaWANDownlink"]]to set the keys in the LDDS75.
230 +In case you can't set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.A0UsingtheATCommands"]]to set the keys in the LDDS20.
226 226  )))
227 227  
228 228  
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