<
From version < 154.4 >
edited by Xiaoling
on 2022/06/11 10:05
To version < 158.8 >
edited by Xiaoling
on 2022/06/11 10:38
>
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3 3  
4 4  **Contents:**
5 5  
6 -{{toc/}}
7 7  
8 8  
9 9  
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97 97  
98 98  [[image:image-20220610154839-1.png]]
99 99  
99 +
100 100  (((
101 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
101 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);  **
102 +
103 +**~ b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)**
102 102  )))
103 103  
104 104  
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143 143  
144 144  
145 145  
146 -= 2.  Configure LDDS75 to connect to LoRaWAN network =
148 += 2.  Configure LDDS45 to connect to LoRaWAN network =
147 147  
148 148  == 2.1  How it works ==
149 149  
150 150  (((
151 -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
153 +The LDDS45 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 LDDS45. If there is coverage of the LoRaWAN network, it will automatically join the network via OTAA and start to send the sensor value
152 152  )))
153 153  
154 154  (((
155 -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.
157 +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 LDDS45.
156 156  )))
157 157  
158 158  
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161 161  
162 162  (((
163 163  Following is an example for how to join the [[TTN v3 LoRaWAN Network>>url:https://console.cloud.thethings.network/]]. Below is the network structure; we use the [[LG308>>url:http://www.dragino.com/products/lora/item/140-lg308.html]] as a LoRaWAN gateway in this example.
166 +
167 +
164 164  )))
165 165  
170 +[[image:1654913911773-521.png]]
171 +
172 +
166 166  (((
167 -[[image:1654848616367-242.png]]
174 +
168 168  )))
169 169  
170 170  (((
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172 172  )))
173 173  
174 174  (((
175 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS75.
182 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from LDDS45.
176 176  )))
177 177  
178 178  (((
179 -Each LDDS75 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
186 +Each LDDS45 is shipped with a sticker with the default device keys, user can find this sticker in the box. it looks like below.
180 180  )))
181 181  
182 182  [[image:image-20220607170145-1.jpeg]]
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203 203  
204 204  [[image:image-20220610161353-7.png]]
205 205  
213 +**Choose LDDS75 instead of LDDS45 is ok. They are of the same payload**
206 206  
215 +
216 +
207 207  You can also choose to create the device manually.
208 208  
209 209   [[image:image-20220610161538-8.png]]
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216 216  
217 217  
218 218  
219 -(% style="color:blue" %)**Step 2**(%%): Power on LDDS75
229 +(% style="color:blue" %)**Step 2**(%%): Power on LDDS45
220 220  
221 221  
222 222  Put a Jumper on JP2 to power on the device. ( The Switch must be in FLASH position).
223 223  
224 -[[image:image-20220610161724-10.png]]
234 +[[image:image-20220611102908-2.png]]
225 225  
226 226  
227 227  (((
228 -(% style="color:blue" %)**Step 3**(%%)**:** The LDDS75 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
238 +(% style="color:blue" %)**Step 3**(%%)**:** The LDDS45 will auto join to the TTN network. After join success, it will start to upload messages to TTN and you can see the messages in the panel.
229 229  )))
230 230  
231 231  [[image:1654849068701-275.png]]
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236 236  
237 237  (((
238 238  (((
239 -LDDS75 will uplink payload via LoRaWAN with below payload format: 
240 -)))
249 +LDDS45 will uplink payload via LoRaWAN with below payload format:
241 241  
242 -(((
243 -Uplink payload includes in total 4 bytes.
244 -Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance
251 +Uplink payload includes in total 8 bytes.
245 245  )))
246 246  )))
247 247  
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268 268  === 2.3.1  Battery Info ===
269 269  
270 270  
271 -Check the battery voltage for LDDS75.
278 +Check the battery voltage for LDDS45.
272 272  
273 273  Ex1: 0x0B45 = 2885mV
274 274  
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279 279  === 2.3.2  Distance ===
280 280  
281 281  (((
282 -Get the distance. Flat object range 280mm - 7500mm.
289 +Get the distance. Flat object range 30mm - 4500mm.
283 283  )))
284 284  
285 285  (((
286 -For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
293 +For example, if the data you get from the register is __0x0B 0x05__, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.**
287 287  )))
288 288  
289 289  
290 290  * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor.
291 -* If the sensor value lower than 0x0118 (280mm), the sensor value will be invalid. Since v1.1.4, all value lower than 280mm will be set to 0x0014(20mm) which means the value is invalid.
298 +* If the sensor value lower than 0x001E (30mm), the sensor value will be 0x00.
292 292  
293 293  
294 294  
295 295  === 2.3.3  Interrupt Pin ===
296 296  
297 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.3A0SetInterruptMode"]] for the hardware and software set up.
304 +This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H4.3A0SetInterruptMode"]] for the hardware and software set up.
298 298  
299 299  **Example:**
300 300  
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