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Last modified by Xiaoling on 2025/04/27 16:45
From version 169.8
edited by Xiaoling
on 2022/06/15 09:35
Change comment: There is no comment for this version
To version 170.6
edited by Xiaoling
on 2022/06/15 09:46
Change comment: There is no comment for this version

Summary

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101 101  * 8500mAh Battery for long term use
102 102  
103 103  
104 +
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  
115 +
114 114  == 1.4  Mechanical ==
115 115  
116 116  [[image:image-20220615090910-1.png]]
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143 143  [[image:image-20220615092044-12.png]]
144 144  
145 145  
148 +
146 146  (% style="color:blue" %)**Step3:   **(%%)Test the installation point.
147 147  
148 148  Power on LDDS75, check if the blue LED is on, If the blue LED is on, means the sensor works. Then put ultrasonic coupling paste on the sensor and put it tightly on the installation point.
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171 171  (% style="color:red" %)Ultrasonic coupling paste (%%) is subjected in most shipping way. So the default package doesn’t include it and user needs to purchase locally.
172 172  
173 173  
177 +
174 174  (% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
175 175  
176 -
177 177  Prepare Eproxy AB glue.
178 178  
179 179  Put Eproxy AB glue in the sensor and press it hard on the container installation point.
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196 196  
197 197  == 1.6 ​ Applications ==
198 198  
199 -
200 -
201 201  * Smart liquid control solution.
202 202  * Smart liquefied gas solution.
203 203  
204 204  
206 +== 1.7  Precautions ==
205 205  
206 -== 1.6  Pin mapping and power on ==
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.
207 207  
208 208  
209 -[[image:1654847583902-256.png]]
213 +== 1.8  Pin mapping and power on ==
210 210  
211 211  
216 +[[image:1655257026882-201.png]]
212 212  
213 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
214 214  
219 +
220 += 2.  Configure LDDS20 to connect to LoRaWAN network =
221 +
222 +
215 215  == 2.1  How it works ==
216 216  
217 217  (((
218 -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.
219 219  )))
220 220  
221 221  (((
222 -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.
223 223  )))
224 224  
225 225  
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1 +XWiki.Xiaoling
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