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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 71.1
edited by Edwin Chen
on 2023/06/03 12:38
Change comment: There is no comment for this version
To version 1.1
edited by Xiaoling
on 2023/01/30 10:48
Change comment: There is no comment for this version

Summary

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Author
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1 -XWiki.Edwin
1 +XWiki.Xiaoling
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1 -(% style="text-align:center" %)
2 -[[image:image-20230131183542-1.jpeg||_mstalt="470678" height="694" width="694"]]
3 -
4 -**Table of Contents：**
5 -
6 -{{toc/}}
7 -
8 -
9 -
10 -
11 -
12 -
13 -
14 -
15 -
16 -
17 -
18 -
19 -
20 -= 1. Introduction =
21 -
22 -== 1.1 ​What is SDI-12 to LoRaWAN Converter ==
23 -
24 -
25 -(((
26 -The Dragino (% style="color:blue" %)**SDI-12-LB**(%%) is a (% style="color:blue" %)**SDI-12 to LoRaWAN Converter **(%%)designed for Smart Agriculture solution.
27 -)))
28 -
29 -(((
30 -SDI-12 (Serial Digital Interface at 1200 baud) is an asynchronous [[serial communications>>url:https://en.wikipedia.org/wiki/Serial_communication]] protocol for intelligent sensors that monitor environment data. SDI-12 protocol is widely used in Agriculture sensor and Weather Station sensors.
31 -)))
32 -
33 -(((
34 -SDI-12-LB has SDI-12 interface and support 12v output to power external SDI-12 sensor. It can get the environment data from SDI-12 sensor and sends out the data via LoRaWAN wireless protocol.
35 -)))
36 -
37 -(((
38 -The LoRa wireless technology used in SDI-12-LB allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption.
39 -)))
40 -
41 -(((
42 -SDI-12-LB is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
43 -)))
44 -
45 -(((
46 -Each SDI-12-LB is pre-load with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect after power on.
47 -)))
48 -
49 -
50 -[[image:image-20230201084414-1.png||_mstalt="427765" height="464" width="1108"]]
51 -
52 -
53 -== ​1.2 Features ==
54 -
55 -
56 -* LoRaWAN 1.0.3 Class A
57 -* Ultra-low power consumption
58 -* Controllable 3.3v, 5v and 12v output to power external sensor
59 -* SDI-12 Protocol to connect to SDI-12 Sensor
60 -* Monitor Battery Level
61 -* Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
62 -* Support Bluetooth v5.1 and LoRaWAN remote configure.
63 -* Support wireless OTA update firmware
64 -* Uplink on periodically
65 -* Downlink to change configure
66 -* 8500mAh Battery for long term use
67 -
68 -== 1.3 Specification ==
69 -
70 -
71 -(% style="color:#037691" %)**Micro Controller:**
72 -
73 -* MCU: 48Mhz ARM
74 -* Flash: 256KB
75 -* RAM: 64KB
76 -
77 -(% style="color:#037691" %)**Common DC Characteristics:**
78 -
79 -* Supply Voltage: 2.5v ~~ 3.6v
80 -* Support current: 5V 300mA
81 - 12V 100mA
82 -* Operating Temperature: -40 ~~ 85°C
83 -
84 -(% style="color:#037691" %)**LoRa Spec:**
85 -
86 -* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
87 -* Max +22 dBm constant RF output vs.
88 -* RX sensitivity: down to -139 dBm.
89 -* Excellent blocking immunity
90 -
91 -(% style="color:#037691" %)**Current Input Measuring :**
92 -
93 -* Range: 0 ~~ 20mA
94 -* Accuracy: 0.02mA
95 -* Resolution: 0.001mA
96 -
97 -(% style="color:#037691" %)**Voltage Input Measuring:**
98 -
99 -* Range: 0 ~~ 30v
100 -* Accuracy: 0.02v
101 -* Resolution: 0.001v
102 -
103 -(% style="color:#037691" %)**Battery:**
104 -
105 -* Li/SOCI2 un-chargeable battery
106 -* Capacity: 8500mAh
107 -* Self-Discharge: <1% / Year @ 25°C
108 -* Max continuously current: 130mA
109 -* Max boost current: 2A, 1 second
110 -
111 -(% style="color:#037691" %)**Power Consumption**
112 -
113 -* Sleep Mode: 5uA @ 3.3v
114 -* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
115 -
116 -== 1.4 Connect to SDI-12 Sensor ==
117 -
118 -
119 -
120 -[[image:1675212538524-889.png||_mstalt="298272"]]
121 -
122 -
123 -== 1.5 Sleep mode and working mode ==
124 -
125 -
126 -(% style="color:blue" %)**Deep Sleep Mode: **(%%)Sensor doesn't have any LoRaWAN activate. This mode is used for storage and shipping to save battery life.
127 -
128 -(% style="color:blue" %)**Working Mode: **(%%)In this mode, Sensor will work as LoRaWAN Sensor to Join LoRaWAN network and send out sensor data to server. Between each sampling/tx/rx periodically, sensor will be in IDLE mode), in IDLE mode, sensor has the same power consumption as Deep Sleep mode.
129 -
130 -
131 -== 1.6 Button & LEDs ==
132 -
133 -
134 -[[image:1675212633011-651.png||_mstalt="291538"]]
135 -
136 -
137 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
138 -|=(% style="width: 167px;background-color:#D9E2F3;color:#0070C0" %)**Behavior on ACT**|=(% style="width: 117px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 225px;background-color:#D9E2F3;color:#0070C0" %)**Action**
139 -|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT between 1s < time < 3s|(% style="background-color:#f2f2f2; width:117px" %)Send an uplink|(% style="background-color:#f2f2f2; width:225px" %)(((
140 -If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
141 -Meanwhile, BLE module will be active and user can connect via BLE to configure device.
142 -)))
143 -|(% style="background-color:#f2f2f2; width:167px" %)Pressing ACT for more than 3s|(% style="background-color:#f2f2f2; width:117px" %)Active Device|(% style="background-color:#f2f2f2; width:225px" %)(((
144 -(% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:#037691" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network.
145 -(% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
146 -Once sensor is active, BLE module will be active and user can connect via BLE to configure device, no matter if device join or not join LoRaWAN network.
147 -)))
148 -|(% style="background-color:#f2f2f2; width:167px" %)Fast press ACT 5 times.|(% style="background-color:#f2f2f2; width:117px" %)Deactivate Device|(% style="background-color:#f2f2f2; width:225px" %)(% style="color:red" %)**Red led**(%%) will solid on for 5 seconds. Means PS-LB-NA is in Deep Sleep Mode.
149 -
150 -== 1.7 Pin Mapping ==
151 -
152 -
153 -[[image:1675213198663-754.png||_mstalt="297167"]]
154 -
155 -
156 -== 1.8 BLE connection ==
157 -
158 -
159 -SDI-12-LB support BLE remote configure.
160 -
161 -BLE can be used to configure the parameter of sensor or see the console output from sensor. BLE will be only activate on below case:
162 -
163 -* Press button to send an uplink
164 -* Press button to active device.
165 -* Device Power on or reset.
166 -
167 -If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
168 -
169 -
170 -== 1.9 Mechanical ==
171 -
172 -
173 -[[image:image-20230201090139-2.png||_mstalt="428623"]]
174 -
175 -[[image:image-20230201090139-3.png||_mstalt="428987"]]
176 -
177 -[[image:image-20230201090139-4.png||_mstalt="429351"]]
178 -
179 -
180 -= 2. Configure SDI-12 to connect to LoRaWAN network =
181 -
182 -== 2.1 How it works ==
183 -
184 -
185 -The SDI-12-LB is configured as (% style="color:#037691" %)**LoRaWAN OTAA Class A**(%%) mode by default. It has OTAA keys to join LoRaWAN network. To connect a local LoRaWAN network, you need to input the OTAA keys in the LoRaWAN IoT server and activate the SDI-12-LB. It will automatically join the network via OTAA and start to send the sensor value. The default uplink interval is 20 minutes.
186 -
187 -
188 -== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
189 -
190 -
191 -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 [[LPS8v2>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/228-lps8v2.html]] as a LoRaWAN gateway in this example.
192 -
193 -
194 -[[image:image-20230201090528-5.png||_mstalt="430300" height="465" width="1111"]]
195 -
196 -
197 -The LPS8V2 is already set to connected to [[TTN network >>url:https://console.cloud.thethings.network/]], so what we need to now is configure the TTN server.
198 -
199 -
200 -(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from SDI-12-LB.
201 -
202 -Each SDI-12-LB is shipped with a sticker with the default device EUI as below:
203 -
204 -
205 -[[image:image-20230426084456-1.png||height="241" width="519"]]
206 -
207 -
208 -You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
209 -
210 -
211 -(% style="color:blue" %)**Register the device**
212 -
213 -[[image:1675213652444-622.png||_mstalt="293657"]]
214 -
215 -
216 -(% style="color:blue" %)**Add APP EUI and DEV EUI**
217 -
218 -
219 -[[image:1675213661769-223.png||_mstalt="295217"]]
220 -
221 -
222 -(% style="color:blue" %)**Add APP EUI in the application**
223 -
224 -
225 -[[image:1675213675852-577.png||_mstalt="297947"]]
226 -
227 -
228 -(% style="color:blue" %)**Add APP KEY**
229 -
230 -[[image:1675213686734-883.png||_mstalt="298064"]]
231 -
232 -
233 -(% style="color:blue" %)**Step 2**(%%): Activate on SDI-12-LB
234 -
235 -
236 -Press the button for 5 seconds to activate the SDI-12-LB.
237 -
238 -(% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode** (%%)for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
239 -
240 -
241 -[[image:1675213704414-644.png||_mstalt="293748"]]
242 -
243 -
244 -== ​2.3 SDI-12 Related Commands ==
245 -
246 -
247 -User need to configure SDI-12-LB to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
248 -
249 -
250 -=== 2.3.1 Basic SDI-12 debug command ===
251 -
252 -
253 -User can run some basic SDI-12 command to debug the connection to the SDI-12 sensor. These commands can be sent via AT Command or LoRaWAN downlink command.
254 -
255 -If SDI-12 sensor return value after get these commands, //SDI-12-LB// will uplink the return on FPORT=100, otherwise, if there is no response from SDI-12 sensor. //SDI-12-LB// will uplink NULL (0x 4E 55 4C 4C) to server.
256 -
257 -The following is the display information on the serial port and the server.
258 -
259 -
260 -[[image:image-20230201091027-6.png||_mstalt="429065"]]
261 -
262 -
263 -[[image:image-20230201091027-7.png||_mstalt="429429" height="261" width="1179"]]
264 -
265 -
266 -
267 -==== (% style="color:blue" %)**al!  ~-~- Get SDI-12 sensor Identification**(%%) ====
268 -
269 -
270 -* AT Command: AT+ADDRI=aa
271 -* LoRaWAN Downlink(prefix 0xAA00): AA 00 aa
272 -
273 -(% style="color:#037691" %)**Parameter:  **(%%)aa: ASCII value of SDI-12 sensor address in downlink or HEX value in AT Command)
274 -
275 -(% style="color:blue" %)**Example :   **(%%)AT+ADDRI=0 ( Equal to downlink: 0x AA 00 30)
276 -
277 -
278 -The following is the display information on the serial port and the server.
279 -
280 -
281 -[[image:image-20230201091257-8.png||_mstalt="431392"]]
282 -
283 -
284 -[[image:image-20230201091257-9.png||_mstalt="431756" height="225" width="1242"]]
285 -
286 -
287 -==== (% style="color:blue" %)**aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!**(%%) ====
288 -
289 -
290 -(% style="color:red" %)**aM! **(%%): Start Non-Concurrent Measurement
291 -
292 -(% style="color:red" %)**aMC! **(%%): Start Non-Concurrent Measurement – Request CRC
293 -
294 -(% style="color:red" %)**aM1!- aM9! **(%%): Additional Measurements
295 -
296 -(% style="color:red" %)**aMC1!- aMC9!**(%%) : Additional Measurements – Request CRC
297 -
298 -
299 -* AT Command : AT+ADDRM=0,1,0,1
300 -
301 -* LoRaWAN Downlink(prefix 0xAA01): 0xAA 01 30 01 00 01
302 -
303 -Downlink：AA 01 aa bb cc dd
304 -
305 -(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
306 -
307 -(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
308 -
309 -(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
310 -
311 -(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
312 -
313 -
314 -The following is the display information on the serial port and the server.
315 -
316 -
317 -[[image:image-20230201091630-10.png||_mstalt="449995"]]
318 -
319 -
320 -[[image:image-20230201091630-11.png||_mstalt="450372" height="247" width="1165"]]
321 -
322 -
323 -
324 -==== (% style="color:blue" %)**aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9! **(%%) ====
325 -
326 -
327 -(% style="color:red" %)**aC!**(%%) : Start Concurrent Measurement
328 -
329 -(% style="color:red" %)**aCC!** (%%): Start Concurrent Measurement – Request CRC
330 -
331 -(% style="color:red" %)**aC1!- aC9!**(%%) : Start Additional Concurrent Measurements
332 -
333 -(% style="color:red" %)**aCC1!- aCC9!**(%%) : Start Additional Concurrent Measurements – Request CRC
334 -
335 -
336 -* AT Command : AT+ADDRC=0,1,0,1 
337 -
338 -* LoRaWAN Downlink(0xAA02): 0xAA 02 30 01 00 01
339 -
340 -Downlink: AA 02 aa bb cc dd
341 -
342 -(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
343 -
344 -(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
345 -
346 -(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
347 -
348 -(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%)__ __to get return.
349 -
350 -
351 -The following is the display information on the serial port and the server.
352 -
353 -
354 -[[image:image-20230201091954-12.png||_mstalt="453687"]]
355 -
356 -
357 -[[image:image-20230201091954-13.png||_mstalt="454064" height="203" width="1117"]]
358 -
359 -
360 -
361 -
362 -==== (% style="color:blue" %)**aR0!- aR9!,  aRC0!- aRC9!**(%%) ====
363 -
364 -
365 -Start Continuous Measurement
366 -
367 -Start Continuous Measurement – Request CRC
368 -
369 -
370 -* AT Command : AT+ADDRR=0,1,0,1 
371 -* LoRaWAN Downlink (0xAA 03): 0xAA 03 30 01 00 01
372 -
373 -Downlink: AA 03 aa bb cc dd
374 -
375 -(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
376 -
377 -(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
378 -
379 -(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
380 -
381 -(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
382 -
383 -
384 -The following is the display information on the serial port and the server.
385 -
386 -
387 -[[image:image-20230201092208-14.png||_mstalt="452283"]]
388 -
389 -
390 -[[image:image-20230201092208-15.png||_mstalt="452660" height="214" width="1140"]]
391 -
392 -
393 -=== 2.3.2 Advance SDI-12 Debug command ===
394 -
395 -
396 -This command can be used to debug all SDI-12 command.
397 -
398 -
399 -LoRaWAN Downlink: A8 aa xx xx xx xx bb cc
400 -
401 -(% style="color:#037691" %)**aa **(%%): total SDI-12 command length
402 -
403 -(% style="color:#037691" %)**xx **(%%): SDI-12 command
404 -
405 -(% style="color:#037691" %)**bb **(%%): Delay to wait for return
406 -
407 -(% style="color:#037691" %)**cc **(%%): 0: don't uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100
408 -
409 -
410 -(% style="color:blue" %)**Example: **(%%) AT+CFGDEV =0RC0!,1
411 -
412 -(% style="color:#037691" %)**0RC0! **(%%): SDI-12 Command,
413 -
414 -(% style="color:#037691" %)**1 **(%%): Delay 1 second.  ( 0: 810 mini-second)
415 -
416 -Equal Downlink: 0xA8 05 30 52 43 30 21 01 01
417 -
418 -
419 -The following is the display information on the serial port and the server.
420 -
421 -
422 -[[image:image-20230201092355-16.png||_mstalt="453960"]]
423 -
424 -
425 -[[image:image-20230201092355-17.png||_mstalt="454337" height="426" width="1135"]]
426 -
427 -
428 -=== 2.3.3 Convert ASCII to String ===
429 -
430 -
431 -This command is used to convert between ASCII and String format.
432 -
433 -AT+CONVFORM ( Max length: 80 bytes)
434 -
435 -
436 -(% style="color:blue" %)**Example:**
437 -
438 -1) AT+CONVFORM=0, string Convert String from String to ASCII
439 -
440 -[[image:1675214845056-885.png||_mstalt="297622"]]
441 -
442 -
443 -2) AT+CONVFORM=1, ASCII Convert ASCII to String.
444 -
445 -[[image:1675214856590-846.png||_mstalt="297739"]]
446 -
447 -
448 -=== 2.3.4 Define periodically SDI-12 commands and uplink. ===
449 -
450 -
451 -AT+COMMANDx & AT+DATACUTx
452 -
453 -User can define max 15 SDI-12 Commands (AT+COMMAND1 ~~ AT+COMMANDF). On each uplink period (TDC time, default 20 minutes), SDI-12-LB will send these SDI-12 commands and wait for return from SDI-12 sensors. SDI-12-LB will then combine these returns and uplink via LoRaWAN.
454 -
455 -
456 -* (% style="color:blue" %)**AT Command:**
457 -
458 -(% style="color:#037691" %)**AT+COMMANDx=var1,var2,var3,var4.**
459 -
460 -(% style="color:red" %)**var1**(%%): SDI-12 command , for example: 0RC0!
461 -
462 -(% style="color:red" %)**var2**(%%): Wait timeout for return. (unit: second)
463 -
464 -(% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//.
465 -
466 -(% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB will resend this command. Max 3 retries.
467 -
468 -(% style="color:red" %)**0 **(%%) No validation check;
469 -
470 -(% style="color:red" %)**1** (%%) Check if return chars are printable char(0x20 ~~ 0x7E);
471 -
472 -(% style="color:red" %)**2**(%%)  Check if there is return from SDI-12 sensor
473 -
474 -(% style="color:red" %)**3** (%%) Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
475 -
476 -
477 -Each AT+COMMANDx is followed by a (% style="color:blue" %)**AT+DATACUT**(%%) command. AT+DATACUT command is used to take the useful string from the SDI-12 sensor so the final payload will have the minimum length to uplink.
478 -
479 -
480 -(% style="color:blue" %)**AT+DATACUTx**(%%) : This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
481 -
482 -(% border="1" style="width:436px" %)
483 -|(% style="background-color:#f2f2f2; width:433px" %)(((
484 -(% style="color:#0070c0" %)**AT+DATACUTx=a,b,c**
485 -
486 -**a**:  length for the return of AT+COMMAND
487 -
488 -**b**: 1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
489 -
490 -**c**:  define the position for valid value. 
491 -)))
492 -
493 -For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895<CR><LF>” , Below AT+DATACUT1 will get different result to combine payload:
494 -
495 -
496 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
497 -|=(% style="width: 164px;background-color:#D9E2F3;color:#0070C0" %)**AT+DATACUT1 value**|=(% style="width: 344px;background-color:#D9E2F3;color:#0070C0" %)**Final Result to combine Payload**
498 -|(% style="background-color:#f2f2f2; width:164px" %)34,1,1+2+3|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33
499 -|(% style="background-color:#f2f2f2; width:164px" %)34,2,1~~8+12~~16|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 54 45 52 31 32
500 -|(% style="background-color:#f2f2f2; width:164px" %)34,2,1~~34|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33 4D 45 54 45 52 20 20 20 54 45 52 31 32 20 31 31 32 54 31 32 2D 30 30 30 32 34 38 39 35 0D 0A
501 -
502 -* (% style="color:blue" %)** Downlink Payload:**
503 -
504 -(% style="color:blue" %)**0xAF**(%%)  downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
505 -
506 -
507 -(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
508 -
509 -
510 -Format: ** (% style="color:#037691" %)AF MM NN LL XX XX XX XX YY(%%)**
511 -
512 -Where:
513 -
514 -* (% style="color:#037691" %)**MM **(%%): the AT+COMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
515 -* (% style="color:#037691" %)**NN **(%%):  1: set the AT+COMMAND value ; 2: set the AT+DATACUT value.
516 -* (% style="color:#037691" %)**LL **(%%):  The length of AT+COMMAND or AT+DATACUT command
517 -* (% style="color:#037691" %)**XX XX XX XX **(%%): AT+COMMAND or AT+DATACUT command
518 -* (% style="color:#037691" %)**YY **(%%):  If YY=0, SDI-12-LB will execute the downlink command without uplink; if YY=1, SDI-12-LB will execute an uplink after got this command. 
519 -
520 -(% style="color:blue" %)**Example:**
521 -
522 -[[image:image-20230201094129-18.png||_mstalt="455065"]]
523 -
524 -
525 -
526 -(% style="color:blue" %)**Clear SDI12 Command**
527 -
528 -The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
529 -
530 -
531 -* (% style="color:#037691" %)**AT Command:**
532 -
533 -(% style="color:#4f81bd" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
534 -
535 -
536 -Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
537 -
538 -
539 -* (% style="color:#037691" %)** Downlink Payload:**
540 -
541 -(% style="color:#4f81bd" %)**0x09 aa bb**(%%)  same as AT+CMDEAR=aa,bb
542 -
543 -
544 -
545 -(% style="color:blue" %)**command combination**
546 -
547 -Below shows a screen shot how the results combines together to a uplink payload.
548 -
549 -[[image:1675215745275-920.png||_mstalt="295334"]]
550 -
551 -
552 -If user don't want to use DATACUT for some command, he simply want to uplink all returns. AT+ALLDATAMOD can be set to 1.
553 -
554 -(% style="color:blue" %)**AT+ALLDATAMOD**(%%) will simply get all return and don't do CRC check as result for SDI-12 command. AT+DATACUTx command has higher priority, if AT+DATACUTx has been set, AT+ALLDATAMOD will be ignore for this SDI-12 command.
555 -
556 -
557 -(% style="color:#4f81bd" %)**For example: **(%%) as below photo, AT+ALLDATAMOD=1, but AT+DATACUT1 has been set, AT+DATACUT1 will be still effect the result.
558 -
559 -
560 -[[image:1675215782925-448.png||_mstalt="297466"]]
561 -
562 -
563 -If AT+ALLDATAMOD=1, (% style="color:#4f81bd" %)**FX,X**(%%) will be added in the payload, FX specify which command is used and X specify the length of return. for example in above screen, F1 05 means the return is from AT+COMMAND1 and the return is 5 bytes.
564 -
565 -
566 -
567 -(% style="color:blue" %)**Compose Uplink**
568 -
569 -(% style="color:#4f81bd" %)**AT+DATAUP=0**
570 -
571 -Compose the uplink payload with value returns in sequence and send with **__A SIGNLE UPLINK__**.
572 -
573 -Final Payload is **__Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx__**
574 -
575 -Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
576 -
577 -
578 -[[image:1675215828102-844.png||_mstalt="294645"]]
579 -
580 -
581 -(% style="color:#4f81bd" %)**AT+DATAUP=1**
582 -
583 -Compose the uplink payload with value returns in sequence and send with **__Multiply UPLINKs__**.
584 -
585 -Final Payload is __**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**__
586 -
587 -1. Battery Info (2 bytes): Battery voltage
588 -1. PAYVER (1 byte): Defined by AT+PAYVER
589 -1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
590 -1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
591 -1. DATA: Valid value: max 6 bytes(US915 version here, Notice*!) for each uplink so each uplink <= 11 bytes. For the last uplink, DATA will might less than 6 bytes
592 -
593 -[[image:1675215848113-696.png||_mstalt="296998"]]
594 -
595 -
596 -(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
597 -
598 -* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
599 -* For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
600 -* For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
601 -* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
602 -
603 -(% style="color:red" %)**When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
604 -
605 -(% style="color:red" %)**When AT+DATAUP=1 and AT+ADR=0, the maximum number of bytes of each payload is determined by the DR value.**
606 -
607 -
608 -== 2.4 Uplink Payload ==
609 -
610 -=== 2.4.1 Device Payload, FPORT~=5 ===
611 -
612 -
613 -Include device configure status. Once SDI-12-LB Joined the network, it will uplink this message to the server.
614 -
615 -Users can also use the downlink command(0x26 01) to ask SDI-12-LB to resend this uplink.
616 -
617 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
618 -|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)**Device Status (FPORT=5)**
619 -|(% style="background-color:#f2f2f2; width:103px" %)**Size (bytes)**|(% style="background-color:#f2f2f2; width:72px" %)**1**|(% style="background-color:#f2f2f2" %)**2**|(% style="background-color:#f2f2f2; width:91px" %)**1**|(% style="background-color:#f2f2f2; width:86px" %)**1**|(% style="background-color:#f2f2f2; width:44px" %)**2**
620 -|(% style="background-color:#f2f2f2; width:103px" %)**Value**|(% style="background-color:#f2f2f2; width:72px" %)Sensor Model|(% style="background-color:#f2f2f2" %)Firmware Version|(% style="background-color:#f2f2f2; width:91px" %)Frequency Band|(% style="background-color:#f2f2f2; width:86px" %)Sub-band|(% style="background-color:#f2f2f2; width:44px" %)BAT
621 -
622 -Example parse in TTNv3
623 -
624 -[[image:1675215946738-635.png||_mstalt="297778"]]
625 -
626 -
627 -(% style="color:#037691" %)**Sensor Model**(%%): For SDI-12-LB, this value is 0x17
628 -
629 -(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
630 -
631 -(% style="color:#037691" %)**Frequency Band**:
632 -
633 -*0x01: EU868
634 -
635 -*0x02: US915
636 -
637 -*0x03: IN865
638 -
639 -*0x04: AU915
640 -
641 -*0x05: KZ865
642 -
643 -*0x06: RU864
644 -
645 -*0x07: AS923
646 -
647 -*0x08: AS923-1
648 -
649 -*0x09: AS923-2
650 -
651 -*0x0a: AS923-3
652 -
653 -*0x0b: CN470
654 -
655 -*0x0c: EU433
656 -
657 -*0x0d: KR920
658 -
659 -*0x0e: MA869
660 -
661 -
662 -(% style="color:#037691" %)**Sub-Band**:
663 -
664 -AU915 and US915:value 0x00 ~~ 0x08
665 -
666 -CN470: value 0x0B ~~ 0x0C
667 -
668 -Other Bands: Always 0x00
669 -
670 -
671 -(% style="color:#037691" %)**Battery Info**:
672 -
673 -Check the battery voltage.
674 -
675 -Ex1: 0x0B45 = 2885mV
676 -
677 -Ex2: 0x0B49 = 2889mV
678 -
679 -
680 -=== 2.4.2 Uplink Payload, FPORT~=2 ===
681 -
682 -
683 -There are different cases for uplink. See below
684 -
685 -* SDI-12 Debug Command return: FPORT=100
686 -
687 -* Periodically Uplink: FPORT=2
688 -
689 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
690 -|=(% style="width: 90px;background-color:#D9E2F3" %)(((
691 -**Size(bytes)**
692 -)))|=(% style="width: 80px;background-color:#D9E2F3" %)**2**|=(% style="width: 90px;background-color:#D9E2F3" %)**1**|=(% style="width: 240px;background-color:#D9E2F3" %)**Length depends on the return from the commands**
693 -|(% style="width:93px" %)**Value**|(% style="width:83px" %)(((
694 -Battery(mV)
695 -&
696 -Interrupt_Flag
697 -)))|(% style="width:91px" %)[[PAYLOAD_VER>>||anchor="H3.6Setthepayloadversion"]]|(% style="width:212px" %)(((
698 -If the valid payload is too long and exceed the maximum support.
699 -Payload length in server,server will show payload not provided in the LoRaWAN server.
700 -)))
701 -
702 -[[image:1675216282284-923.png||_mstalt="295633"]]
703 -
704 -
705 -=== 2.4.3 Battery Info ===
706 -
707 -
708 -Check the battery voltage for SDI-12-LB.
709 -
710 -Ex1: 0x0B45 = 2885mV
711 -
712 -Ex2: 0x0B49 = 2889mV
713 -
714 -
715 -=== 2.4.4 Interrupt Pin ===
716 -
717 -
718 -This data field shows if this packet is generated by (% style="color:#037691" %)**Interrupt Pin**(%%) or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up. Note: The Internet Pin is a separate pin in the screw terminal. See [[pin mapping>>||anchor="H1.7PinMapping"]].
719 -
720 -**Example:**
721 -
722 -Ex1: 0x0B45:0x0B&0x80= 0x00    Normal uplink packet.
723 -
724 -Ex2: 0x8B49:0x8B&0x80= 0x80    Interrupt Uplink Packet.
725 -
726 -
727 -=== 2.4.5 Payload version ===
728 -
729 -
730 -The version number of the payload, mainly used for decoding. The default is 01.
731 -
732 -
733 -=== 2.4.6 ​Decode payload in The Things Network ===
734 -
735 -
736 -While using TTN network, you can add the payload format to decode the payload.
737 -
738 -[[image:1675216779406-595.png||_mstalt="298376"]]
739 -
740 -
741 -There is no fix payload decoder in LoRaWAN server because the SDI-12 sensors returns are different. User need to write the decoder themselves for their case.
742 -
743 -SDI-12-LB TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
744 -
745 -
746 -== 2.5 Uplink Interval ==
747 -
748 -
749 -The SDI-12-LB by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link:
750 -
751 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
752 -
753 -
754 -== 2.6 Examples To Set SDI commands ==
755 -
756 -=== 2.6.1 Examples 1 ~-~- General Example ===
757 -
758 -
759 -COM port and SDI-12 sensor communication converted to SDI-12-LB and SDI-12 sensor communication.
760 -
761 -[[image:image-20230222143809-1.png||_mstalt="429962" height="564" width="729"]]
762 -
763 -
764 -(% style="color:blue" %)**1) The AT+COMMANDx command is applied to the red arrow part, and sends the SDI12 command to the SDI12 sensor:**
765 -
766 -a. Send the first command and get the first reply：
767 -
768 -(% style="color:#037691" %)**AT+COMMANDx=1I!,0,0,1**
769 -
770 -b. Send the second command and get the second reply：
771 -
772 -(% style="color:#037691" %)**AT+COMMANDx=2I!,0,0,1**
773 -
774 -c. Send the third command and get the third reply：
775 -
776 -(% style="color:#037691" %)**AT+COMMANDx=3I!,0,0,1**
777 -
778 -d. Send the fourth command and get the fourth reply：
779 -
780 -(% style="color:#037691" %)**AT+COMMANDx=4I!,0,0,1**
781 -
782 -e. Send the fifth command plus the sixth command, get the sixth reply：
783 -
784 -(% style="color:#037691" %)**AT+COMMANDx=1M!,2,1,1**
785 -
786 -f. Send the seventh command plus the eighth command, get the eighth reply：
787 -
788 -(% style="color:#037691" %)**AT+COMMANDx=2M!,2,1,1**
789 -
790 -g. Send the ninth command plus the tenth command, get the tenth reply：
791 -
792 -(% style="color:#037691" %)**AT+COMMANDx=3M!,1,1,1**
793 -
794 -h. Send the eleventh command plus the twelfth command, get the twelfth reply：
795 -
796 -(% style="color:#037691" %)**AT+COMMANDx=4M!,1,1,1**
797 -
798 -
799 -(% style="color:blue" %)**2) The AT+DATACUTx command is applied to the green arrow part, receiving and cut out data from the SDI12 sensor：**
800 -
801 -a. The first reply, all 34 characters: ”113TRUEBNERSMT100038220303182331<CR><LF>”
802 -
803 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=34,2,1~~34**(% style="color:#037691" %);
804 -
805 -b. The sixth reply, all 31 characters：”1+19210+1.04+0.00+22.49+11.75<CR><LF>”
806 -
807 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
808 -
809 -c. The eighth reply, all 31 characters：”2+18990+1.08+0.00+22.24+11.80<CR><LF>”
810 -
811 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
812 -
813 -d. The tenth reply, all 15 characters：”3-2919.8+24.0<CR><LF>”
814 -
815 -Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=15,2,1~~15**(% style="color:#037691" %);
816 -
817 -e. The twelfth reply, all 25 characters：”4+30.8+22.84+4.7+954.38<CR><LF>”
818 -
819 -Partial cut, the cut sensor address and the first two parameters：(% style="color:#037691" %)**AT+DATACUTx=25,2,1~~12, cut out the character field ” 4+30.8+22.84”**.
820 -
821 -
822 -=== 2.6.2 Example 2 ~-~- Connect to Hygrovue10 ===
823 -
824 -==== 2.6.2.1 Reference Manual and Command ====
825 -
826 -* [[Hygrovue10 Product Page>>https://www.campbellsci.com/hygrovue10]]
827 -* Commands to be used in PC and output.
828 -
829 -1.check device address
830 -
831 -2.change device address
832 -
833 -3.check device ID
834 -
835 -4.start measure
836 -
837 -5.Get Meausre result
838 -
839 -[[image:image-20230603120209-2.png||height="281" width="267"]]
840 -
841 -
842 -==== 2.6.2.2 Hardware Connection to SDI-12-LB ====
843 -
844 -[[image:image-20230603120515-3.png]]
845 -
846 -
847 -==== 2.6.2.3 Commands set in SDI-12-LB and uplink payload ====
848 -
849 -[[image:image-20230603120648-4.png]]
850 -
851 -[[image:image-20230603120726-5.png]]
852 -
853 -Data in TTN:
854 -
855 -[[image:image-20230603120859-6.png||height="118" width="1285"]]
856 -
857 -
858 -=== (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.3 Example 3 ~-~- Connect to SIL-400 ===
859 -
860 -==== 2.6.3.1 Reference Manual and Command ====
861 -
862 -* [[SIL-400 Product Page>>https://www.apogeeinstruments.com/sil-411-commercial-grade-sdi-12-digital-output-standard-field-of-view-infrared-radiometer-sensor/]]
863 -* Commands to be used in PC and output.
864 -
865 -1.check device address
866 -
867 -2.change device address
868 -
869 -3.check device ID
870 -
871 -4.start measure
872 -
873 -5.Get Meausre result
874 -
875 -[[image:image-20230603121606-7.png||height="242" width="307"]]
876 -
877 -
878 -==== 2.6.3.2 Hardware Connection to SDI-12-LB ====
879 -
880 -[[image:image-20230603121643-8.png||height="442" width="656"]]
881 -
882 -
883 -==== 2.6.3.3 Commands set in SDI-12-LB and uplink payload ====
884 -
885 -[[image:image-20230603121721-9.png]]
886 -
887 -[[image:image-20230603121752-10.png]]
888 -
889 -Data in TTN:
890 -
891 -[[image:image-20230603121826-11.png||height="155" width="1104"]]
892 -
893 -
894 -
895 -=== (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.4 Example 4 ~-~- Connect to TEROS-12 ===
896 -
897 -
898 -==== 2.6.4.1 Reference Manual and Command ====
899 -
900 -* [[TEROS-12 Product Page>>https://www.metergroup.com/en/meter-environment/products/teros-12-soil-moisture-sensor]]
901 -* Commands to be used in PC and output.
902 -
903 -1.check device address
904 -
905 -2.change device address
906 -
907 -3.check device ID
908 -
909 -4.start measure
910 -
911 -5.Get Meausre result
912 -
913 -[[image:image-20230603122248-16.png||height="196" width="198"]]
914 -
915 -
916 -==== 2.6.4.2 Hardware Connection to SDI-12-LB ====
917 -
918 -[[image:image-20230603122212-15.png||height="502" width="667"]]
919 -
920 -
921 -==== 2.6.4.3 Commands set in SDI-12-LB and uplink payload ====
922 -
923 -[[image:image-20230603122040-12.png]]
924 -
925 -[[image:image-20230603122109-13.png||height="469" width="762"]]
926 -
927 -Data in TTN:
928 -
929 -[[image:image-20230603122139-14.png||height="148" width="1128"]]
930 -
931 -
932 -
933 -=== (% id="cke_bm_1489640S" style="display: none; display: none" %) (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.5 Example 5 ~-~- Connect to SIL-400/TEROS-12 & Hygrovue10 ===
934 -
935 -==== 2.6.3.1 Important Notice! ====
936 -
937 -* The product page and reference command see above example 2,3,4
938 -* All of these SDI-12 sensors use the same address (address 0) by default. So we need to change their address to different address, by using **aAb!** command. See above example.
939 -* The sensor needs to be powered to a steady statue. So the 12VT time need to be set to the maximum stable time for the sensors. in this example, it is 13 seconds.
940 -* If these SDI-12 sensors are powered by external power source. It will add 300uA in the total current in SDI-12-LB.
941 -
942 -
943 -
944 -==== 2.6.3.2 Hardware Connection to SDI-12-LB ====
945 -
946 -[[image:image-20230603122508-17.png||height="526" width="742"]]
947 -
948 -
949 -==== 2.6.3.3 Commands set in SDI-12-LB and uplink payload ====
950 -
951 -[[image:image-20230603122549-18.png]]
952 -
953 -[[image:image-20230603122623-19.png||height="483" width="1121"]]
954 -
955 -Data in TTN:
956 -
957 -[[image:image-20230603122719-20.png||height="151" width="1179"]]
958 -
959 -
960 -
961 -
962 -
963 -== 2.7 Frequency Plans ==
964 -
965 -
966 -The SDI-12-LB uses OTAA mode and below frequency plans by default. If user want to use it with different frequency plan, please refer the AT command sets.
967 -
968 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20Frequency%20Band/]]
969 -
970 -
971 -== 2.8 Firmware Change Log ==
972 -
973 -
974 -**Firmware download link:**
975 -
976 -[[https:~~/~~/www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0>>https://www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0]]
977 -
978 -
979 -= 3. Configure SDI-12-LB via AT Command or LoRaWAN Downlink =
980 -
981 -
982 -Use can configure SDI-12-LB via AT Command or LoRaWAN Downlink.
983 -
984 -* AT Command Connection: See [[FAQ>>||anchor="H7.FAQ"]].
985 -* LoRaWAN Downlink instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
986 -
987 -There are two kinds of commands to configure SDI-12-LB, they are:
988 -
989 -* (% style="color:blue" %)**General Commands**.
990 -
991 -These commands are to configure:
992 -
993 -* General system settings like: uplink interval.
994 -* LoRaWAN protocol & radio related command.
995 -
996 -They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
997 -
998 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/>>http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
999 -
1000 -
1001 -* (% style="color:blue" %)**Commands special design for SDI-12-LB**
1002 -
1003 -These commands only valid for SDI-12-LB, as below:
1004 -
1005 -
1006 -== 3.1 Set Transmit Interval Time ==
1007 -
1008 -
1009 -Feature: Change LoRaWAN End Node Transmit Interval.
1010 -
1011 -(% style="color:blue" %)**AT Command: AT+TDC**
1012 -
1013 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1014 -|=(% style="width: 160px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Command Example**|=(% style="width: 160px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Function**|=(% style="width: 190px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1015 -|(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=?|(% style="background-color:#f2f2f2; width:166px" %)Show current transmit Interval|(% style="background-color:#f2f2f2" %)(((
1016 -30000
1017 -OK
1018 -the interval is 30000ms = 30s
1019 -)))
1020 -|(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=60000|(% style="background-color:#f2f2f2; width:166px" %)Set Transmit Interval|(% style="background-color:#f2f2f2" %)(((
1021 -OK
1022 -Set transmit interval to 60000ms = 60 seconds
1023 -)))
1024 -
1025 -(% style="color:blue" %)**Downlink Command: 0x01**
1026 -
1027 -
1028 -Format: Command Code (0x01) followed by 3 bytes time value.
1029 -
1030 -If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1031 -
1032 -* Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1033 -* Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
1034 -
1035 -== 3.2 Set Interrupt Mode ==
1036 -
1037 -
1038 -Feature, Set Interrupt mode for GPIO_EXIT.
1039 -
1040 -(% style="color:blue" %)**AT Command: AT+INTMOD**
1041 -
1042 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1043 -|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 157px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1044 -|(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=?|(% style="background-color:#f2f2f2; width:196px" %)Show current interrupt mode|(% style="background-color:#f2f2f2; width:157px" %)(((
1045 -0
1046 -OK
1047 -the mode is 0 =Disable Interrupt
1048 -)))
1049 -|(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=2|(% style="background-color:#f2f2f2; width:196px" %)(((
1050 -Set Transmit Interval
1051 -0. (Disable Interrupt),
1052 -~1. (Trigger by rising and falling edge)
1053 -2. (Trigger by falling edge)
1054 -3. (Trigger by rising edge)
1055 -)))|(% style="background-color:#f2f2f2; width:157px" %)OK
1056 -
1057 -(% style="color:blue" %)**Downlink Command: 0x06**
1058 -
1059 -Format: Command Code (0x06) followed by 3 bytes.
1060 -
1061 -This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1062 -
1063 -* Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
1064 -* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
1065 -
1066 -== 3.3 Set the output time ==
1067 -
1068 -
1069 -Feature, Control the output 3V3 , 5V or 12V.
1070 -
1071 -(% style="color:blue" %)**AT Command: AT+3V3T**
1072 -
1073 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:474px" %)
1074 -|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 201px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 116px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1075 -|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=?|(% style="background-color:#f2f2f2; width:201px" %)Show 3V3 open time.|(% style="background-color:#f2f2f2; width:116px" %)(((
1076 -0
1077 -OK
1078 -)))
1079 -|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=0|(% style="background-color:#f2f2f2; width:201px" %)Normally open 3V3 power supply.|(% style="background-color:#f2f2f2; width:116px" %)(((
1080 -OK
1081 -default setting
1082 -)))
1083 -|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=1000|(% style="background-color:#f2f2f2; width:201px" %)Close after a delay of 1000 milliseconds.|(% style="background-color:#f2f2f2; width:116px" %)(((
1084 -OK
1085 -)))
1086 -|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=65535|(% style="background-color:#f2f2f2; width:201px" %)Normally closed 3V3 power supply.|(% style="background-color:#f2f2f2; width:116px" %)(((
1087 -OK
1088 -)))
1089 -
1090 -(% style="color:blue" %)**AT Command: AT+5VT**
1091 -
1092 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:470px" %)
1093 -|=(% style="width: 155px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 196px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 114px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1094 -|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=?|(% style="background-color:#f2f2f2; width:196px" %)Show 5V open time.|(% style="background-color:#f2f2f2; width:114px" %)(((
1095 -0
1096 -OK
1097 -)))
1098 -|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=0|(% style="background-color:#f2f2f2; width:196px" %)Normally closed 5V power supply.|(% style="background-color:#f2f2f2; width:114px" %)(((
1099 -OK
1100 -default setting
1101 -)))
1102 -|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=1000|(% style="background-color:#f2f2f2; width:196px" %)Close after a delay of 1000 milliseconds.|(% style="background-color:#f2f2f2; width:114px" %)(((
1103 -OK
1104 -)))
1105 -|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=65535|(% style="background-color:#f2f2f2; width:196px" %)Normally open 5V power supply.|(% style="background-color:#f2f2f2; width:114px" %)(((
1106 -OK
1107 -)))
1108 -
1109 -(% style="color:blue" %)**AT Command: AT+12VT**
1110 -
1111 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:443px" %)
1112 -|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 199px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="width: 83px;background-color:#D9E2F3;color:#0070C0" %)**Response**
1113 -|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=?|(% style="background-color:#f2f2f2; width:199px" %)Show 12V open time.|(% style="background-color:#f2f2f2; width:83px" %)(((
1114 -0
1115 -OK
1116 -)))
1117 -|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=0|(% style="background-color:#f2f2f2; width:199px" %)Normally closed 12V power supply.|(% style="background-color:#f2f2f2; width:83px" %)OK
1118 -|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=500|(% style="background-color:#f2f2f2; width:199px" %)Close after a delay of 500 milliseconds.|(% style="background-color:#f2f2f2; width:83px" %)(((
1119 -OK
1120 -)))
1121 -
1122 -(% style="color:blue" %)**Downlink Command: 0x07**
1123 -
1124 -Format: Command Code (0x07) followed by 3 bytes.
1125 -
1126 -The first byte is which power, the second and third bytes are the time to turn on.
1127 -
1128 -* Example 1: Downlink Payload: 070101F4  **~-~-->**  AT+3V3T=500
1129 -* Example 2: Downlink Payload: 0701FFFF   **~-~-->**  AT+3V3T=65535
1130 -* Example 3: Downlink Payload: 070203E8  **~-~-->**  AT+5VT=1000
1131 -* Example 4: Downlink Payload: 07020000  **~-~-->**  AT+5VT=0
1132 -* Example 5: Downlink Payload: 070301F4  **~-~-->**  AT+12VT=500
1133 -* Example 6: Downlink Payload: 07030000  **~-~-->**  AT+12VT=0
1134 -
1135 -== 3.4 Set the all data mode ==
1136 -
1137 -
1138 -Feature, Set the all data mode.
1139 -
1140 -(% style="color:blue" %)**AT Command: AT+ALLDATAMOD**
1141 -
1142 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1143 -|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1144 -|(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=?|(% style="background-color:#f2f2f2" %)Show current all data mode|(% style="background-color:#f2f2f2" %)(((
1145 -0
1146 -OK
1147 -)))
1148 -|(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=1|(% style="background-color:#f2f2f2" %)Set all data mode is 1.|(% style="background-color:#f2f2f2" %)OK
1149 -
1150 -(% style="color:blue" %)**Downlink Command: 0xAB**
1151 -
1152 -Format: Command Code (0xAB) followed by 1 bytes.
1153 -
1154 -* Example 1: Downlink Payload: AB 00  ~/~/  AT+ALLDATAMOD=0
1155 -* Example 2: Downlink Payload: AB 01  ~/~/  AT+ALLDATAMOD=1
1156 -
1157 -== 3.5 Set the splicing payload for uplink ==
1158 -
1159 -
1160 -Feature, splicing payload for uplink.
1161 -
1162 -(% style="color:blue" %)**AT Command: AT+DATAUP**
1163 -
1164 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1165 -|=(% style="width: 154px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 266px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1166 -|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =?|(% style="background-color:#f2f2f2; width:266px" %)Show current splicing payload for uplink mode|(% style="background-color:#f2f2f2" %)(((
1167 -0
1168 -OK
1169 -)))
1170 -|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =0|(% style="background-color:#f2f2f2; width:266px" %)(((
1171 -Set splicing payload for uplink mode is 0.
1172 -)))|(% style="background-color:#f2f2f2" %)(((
1173 -OK
1174 -)))
1175 -|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =1|(% style="background-color:#f2f2f2; width:266px" %)Set splicing payload for uplink mode is 1 , and the each splice uplink is sent sequentially.|(% style="background-color:#f2f2f2" %)OK
1176 -|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =1,20000|(% style="background-color:#f2f2f2; width:266px" %)(((
1177 -Set splicing payload for uplink mode is 1, and the uplink interval of each splice to 20000 milliseconds.
1178 -)))|(% style="background-color:#f2f2f2" %)OK
1179 -
1180 -(% style="color:blue" %)**Downlink Command: 0xAD**
1181 -
1182 -Format: Command Code (0xAD) followed by 1 bytes or 5 bytes.
1183 -
1184 -* Example 1: Downlink Payload: AD 00  ~/~/  AT+DATAUP=0
1185 -* Example 2: Downlink Payload: AD 01  ~/~/  AT+DATAUP =1
1186 -* Example 3: Downlink Payload: AD 01 00 00 14  ~/~/  AT+DATAUP =1,20000
1187 -
1188 -This means that the interval is set to 0x000014=20S
1189 -
1190 -
1191 -== 3.6 Set the payload version ==
1192 -
1193 -
1194 -Feature, Set the payload version.
1195 -
1196 -(% style="color:blue" %)**AT Command: AT+PAYVER**
1197 -
1198 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1199 -|=(% style="width: 158px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 192px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1200 -|(% style="background-color:#f2f2f2; width:158px" %)AT+PAYVER=?|(% style="background-color:#f2f2f2; width:192px" %)Show current payload version|(% style="background-color:#f2f2f2" %)(((
1201 -1
1202 -OK
1203 -)))
1204 -|(% style="background-color:#f2f2f2; width:158px" %)AT+PAYVER=5|(% style="background-color:#f2f2f2; width:192px" %)Set payload version is 5.|(% style="background-color:#f2f2f2" %)OK
1205 -
1206 -(% style="color:blue" %)**Downlink Command: 0xAE**
1207 -
1208 -Format: Command Code (0xAE) followed by 1 bytes.
1209 -
1210 -* Example 1: Downlink Payload: AE 01  ~/~/  AT+PAYVER=1
1211 -* Example 2: Downlink Payload: AE 05  ~/~/  AT+PAYVER=5
1212 -
1213 -= 4. Battery & Power Consumption =
1214 -
1215 -
1216 -SDI-12-LB uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
1217 -
1218 -[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
1219 -
1220 -
1221 -= 5. Remote Configure device =
1222 -
1223 -== 5.1 Connect via BLE ==
1224 -
1225 -
1226 -Please see this instruction for how to configure via BLE: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]]
1227 -
1228 -
1229 -== 5.2 AT Command Set ==
1230 -
1231 -
1232 -
1233 -= 6. OTA firmware update =
1234 -
1235 -
1236 -Please see this link for how to do OTA firmware update.
1237 -
1238 -[[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/>>url:http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/]]
1239 -
1240 -
1241 -= 7. FAQ =
1242 -
1243 -== 7.1 How to use AT Command  via UART to access device? ==
1244 -
1245 -
1246 -See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
1247 -
1248 -
1249 -== 7.2 How to update firmware via UART port? ==
1250 -
1251 -
1252 -See: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H1.LoRaSTv4baseHardware]]
1253 -
1254 -
1255 -== 7.3 How to change the LoRa Frequency Bands/Region? ==
1256 -
1257 -
1258 -You can follow the instructions for [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]].
1259 -When downloading the images, choose the required image file for download. ​
1260 -
1261 -
1262 -= 8. ​Order Info =
1263 -
1264 -
1265 -(((
1266 -(% style="color:blue" %)**Part Number: SDI-12-LB-XXX**
1267 -)))
1268 -
1269 -(((
1270 -XXX: The default frequency band
1271 -)))
1272 -
1273 -(((
1274 -(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1275 -(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1276 -(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1277 -(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1278 -(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1279 -(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1280 -(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1281 -(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1282 -)))
1283 -
1284 -
1285 -= 9. Packing Info =
1286 -
1287 -
1288 -(% style="color:#037691" %)**Package Includes**:
1289 -
1290 -* SDI-12-LB SDI-12 to LoRaWAN Converter x 1
1291 -
1292 -(% style="color:#037691" %)**Dimension and weight**:
1293 -
1294 -* Device Size: cm
1295 -* Device Weight: g
1296 -* Package Size / pcs : cm
1297 -* Weight / pcs : g
1298 -
1299 -= 10. ​Support =
1300 -
1301 -
1302 -* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
1303 -
1304 -* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:http://../../../../../../D:%5C%E5%B8%82%E5%9C%BA%E8%B5%84%E6%96%99%5C%E8%AF%B4%E6%98%8E%E4%B9%A6%5CLoRa%5CLT%E7%B3%BB%E5%88%97%5Csupport@dragino.com]]
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