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Last modified by Xiaoling on 2025/04/27 16:45
From version 170.6
edited by Xiaoling
on 2022/06/15 09:46
Change comment: There is no comment for this version
To version 170.1
edited by Xiaoling
on 2022/06/15 09:37
Change comment: Uploaded new attachment "1655257026882-201.png", version {1}

Summary

Details

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Content
... ... @@ -101,7 +101,6 @@
101 101  * 8500mAh Battery for long term use
102 102  
103 103  
104 -
105 105  == 1.3  Suitable Container & Liquid ==
106 106  
107 107  * Solid Wall container such as: steel, iron, glass, ceramics, non-foaming plastics etc.
... ... @@ -112,7 +112,6 @@
112 112  * Pure liquid without irregular deposition.
113 113  
114 114  
115 -
116 116  == 1.4  Mechanical ==
117 117  
118 118  [[image:image-20220615090910-1.png]]
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145 145  [[image:image-20220615092044-12.png]]
146 146  
147 147  
148 -
149 149  (% style="color:blue" %)**Step3:   **(%%)Test the installation point.
150 150  
151 151  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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174 174  (% 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.
175 175  
176 176  
177 -
178 178  (% style="color:blue" %)**Step4:   **(%%)Install use Epoxy ab glue.
179 179  
176 +
180 180  Prepare Eproxy AB glue.
181 181  
182 182  Put Eproxy AB glue in the sensor and press it hard on the container installation point.
... ... @@ -203,31 +203,24 @@
203 203  * Smart liquefied gas solution.
204 204  
205 205  
206 -== 1.7  Precautions ==
207 207  
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.
204 +== 1.6  Pin mapping and power on ==
211 211  
212 212  
213 -== 1.8  Pin mapping and power on ==
207 +[[image:1654847583902-256.png]]
214 214  
215 215  
216 -[[image:1655257026882-201.png]]
217 217  
211 += 2.  Configure LDDS75 to connect to LoRaWAN network =
218 218  
219 -
220 -= 2.  Configure LDDS20 to connect to LoRaWAN network =
221 -
222 -
223 223  == 2.1  How it works ==
224 224  
225 225  (((
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.
216 +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
227 227  )))
228 228  
229 229  (((
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.
220 +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.
231 231  )))
232 232  
233 233