Changes for page LDS02 - LoRaWAN Door Sensor User Manual
Last modified by Edwin Chen on 2024/02/14 18:51
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... ... @@ -1,36 +1,31 @@ 1 - 1 +(% style="text-align:center" %) 2 +[[image:1654669760488-506.png||height="510" width="769"]] 2 2 3 3 4 4 5 5 6 -[[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image001.png]] 7 7 8 8 9 9 10 += 1. Introduction = 10 10 12 +== 1.1 What is LWL02 LoRaWAN Water Leak Sensor == 11 11 12 12 15 +The Dragino LWL02 is a (% style="color:#4f81bd" %)**LoRaWAN Water Sensor**(%%). When there is water between the two metal probes, LWL02 indicates a water leak event and uplink to IoT server via LoRaWAN network. 13 13 14 -1. Introduction 15 -11. What is LWL02 LoRaWAN Water Leak Sensor 17 +LWL02 is powered by (% style="color:#4f81bd" %)**2 x AAA batteries**(%%) and target for long time use, these two batteries can provide about 16,000 ~~ 70,000 uplink packets, which result in 2 ~~ 10 years battery life. After battery running out, user can easily open the enclosure and replace with 2 common AAA batteries. 16 16 17 -The DraginoLWL02 isa LoRaWANWaterSensor.Whenthereiswateretween thetwometalprobes,LWL02 indicatesa water leakevent and uplinktoIoTserverviaLoRaWANnetwork.19 +The LWL02 will send periodically data every day as well as for each water leak event. It also (% style="color:#4f81bd" %)**counts the water leak times**(%%) and (% style="color:#4f81bd" %)**calculate last water leak duration**(%%). User can also disable the uplink for each water leak event, instead, device can count each event and uplink periodically. 18 18 21 +Each LWL02 is (% style="color:#4f81bd" %)**pre-load with a set of unique keys**(%%) for LoRaWAN registration, register these keys to 19 19 20 -LWL02 is powered by 2 x AAA batteries and target for long time use, these two batteries can provide about 16,000 ~~ 70,000 uplink packets, which result in 2 ~~ 10 years battery life. After battery running out, user can easily open the enclosure and replace with 2 common AAA batteries. 21 - 22 - 23 -The LWL02 will send periodically data every day as well as for each water leak event. It also counts the water leak times and calculate last water leak duration. User can also disable the uplink for each water leak event, instead, device can count each event and uplink periodically. 24 - 25 - 26 -Each LWL02 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to 27 - 28 28 LoRaWAN server and it will auto connect after power on. [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image002.png]] 29 29 30 30 31 31 32 32 33 -* 28 +* 34 34 *1. Features 35 35 * LoRaWAN Class A v1.0.3 36 36 * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865/RU864 ... ... @@ -42,7 +42,7 @@ 42 42 * Remote configure parameters via LoRa Downlink 43 43 * Firmware upgradable via program port 44 44 45 -* 40 +* 46 46 *1. Applications 47 47 * Smart Buildings & Home Automation 48 48 * Logistics and Supply Chain Management ... ... @@ -51,7 +51,7 @@ 51 51 * Smart Cities 52 52 * Smart Factory 53 53 54 -1. 49 +1. 55 55 11. Dimension 56 56 57 57 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image003.png]] ... ... @@ -102,7 +102,7 @@ 102 102 In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:#AT_Command]] to set the keys in the devices. 103 103 104 104 105 -1. 100 +1. 106 106 11. Example to join LoRaWAN network 107 107 108 108 Here shows an example for how to join the [[TTN V3 Network>>url:https://eu1.cloud.thethings.network/]]. Below is the network structure, we use [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]] as LoRaWAN gateway here. ... ... @@ -118,7 +118,6 @@ 118 118 * A periodically update at every 10 minutes when in water leak. 119 119 * A message when switch from water leak to none water leak. ([[Alarm event can be disabled>>path:#Alarm]]) 120 120 121 - 122 122 The LG308 is already set to connect to [[TTN V3 network >>url:https://eu1.cloud.thethings.network/]]. What we need to now is only configure the TTN V3: 123 123 124 124 **Step 1**: Create a device in TTN V3 with the OTAA keys from LWL02. ... ... @@ -188,7 +188,7 @@ 188 188 189 189 190 190 191 -1. 185 +1. 192 192 11. Downlink Payload 193 193 194 194 |**Downlink Control Type**|**Type Code**|**Downlink payload size(bytes)** ... ... @@ -201,7 +201,6 @@ 201 201 |[[Set Alarm Timeout>>path:#Alarm_Timeout]]|0xA9|4 202 202 203 203 204 - 205 205 Example Downlink payload setting in TTN V3: 206 206 207 207 [[image:file:///C:/Users/93456/AppData/Local/Temp/msohtmlclip1/01/clip_image015.png]] ... ... @@ -254,7 +254,7 @@ 254 254 255 255 256 256 257 -1. 250 +1. 258 258 11. Integrate with Datacake 259 259 260 260 Datacake provides a human friendly interface to show the sensor data, once we have data in TTN V3, we can use Datacake to connect to TTN V3 and see the data in Datacake. Below are the steps: ... ... @@ -319,7 +319,7 @@ 319 319 320 320 321 321 322 -1. 315 +1. 323 323 11. LEDs 324 324 325 325 |**Action**|**LED behavior** ... ... @@ -329,7 +329,6 @@ 329 329 |Got a downlink message|**BLUE LED** blinks once 330 330 331 331 332 - 333 333 1. Battery & How to replace 334 334 11. Battery Type and replace 335 335
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