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Last modified by Mengting Qiu on 2025/07/03 15:42
From version 1.1
edited by Xiaoling
on 2023/01/30 10:48
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To version 72.5
edited by Xiaoling
on 2023/06/05 18:18
Change comment: There is no comment for this version

Summary

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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 +
69 +
70 +== 1.3 Specification ==
71 +
72 +
73 +(% style="color:#037691" %)**Micro Controller:**
74 +
75 +* MCU: 48Mhz ARM
76 +* Flash: 256KB
77 +* RAM: 64KB
78 +
79 +(% style="color:#037691" %)**Common DC Characteristics:**
80 +
81 +* Supply Voltage: 2.5v ~~ 3.6v
82 +* Support current: 5V 300mA
83 + 12V 100mA
84 +* Operating Temperature: -40 ~~ 85°C
85 +
86 +(% style="color:#037691" %)**LoRa Spec:**
87 +
88 +* Frequency Range,  Band 1 (HF): 862 ~~ 1020 Mhz
89 +* Max +22 dBm constant RF output vs.
90 +* RX sensitivity: down to -139 dBm.
91 +* Excellent blocking immunity
92 +
93 +(% style="color:#037691" %)**Current Input Measuring :**
94 +
95 +* Range: 0 ~~ 20mA
96 +* Accuracy: 0.02mA
97 +* Resolution: 0.001mA
98 +
99 +(% style="color:#037691" %)**Voltage Input Measuring:**
100 +
101 +* Range: 0 ~~ 30v
102 +* Accuracy: 0.02v
103 +* Resolution: 0.001v
104 +
105 +(% style="color:#037691" %)**Battery:**
106 +
107 +* Li/SOCI2 un-chargeable battery
108 +* Capacity: 8500mAh
109 +* Self-Discharge: <1% / Year @ 25°C
110 +* Max continuously current: 130mA
111 +* Max boost current: 2A, 1 second
112 +
113 +(% style="color:#037691" %)**Power Consumption**
114 +
115 +* Sleep Mode: 5uA @ 3.3v
116 +* LoRa Transmit Mode: 125mA @ 20dBm, 82mA @ 14dBm
117 +
118 +
119 +
120 +== 1.4 Connect to SDI-12 Sensor ==
121 +
122 +
123 +
124 +[[image:1675212538524-889.png||_mstalt="298272"]]
125 +
126 +
127 +== 1.5 Sleep mode and working mode ==
128 +
129 +
130 +(% 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.
131 +
132 +(% 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.
133 +
134 +
135 +== 1.6 Button & LEDs ==
136 +
137 +
138 +[[image:1675212633011-651.png||_mstalt="291538"]]
139 +
140 +
141 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
142 +|=(% 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**
143 +|(% 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" %)(((
144 +If sensor is already Joined to LoRaWAN network, sensor will send an uplink packet, (% style="color:blue" %)**blue led** (%%)will blink once.
145 +Meanwhile, BLE module will be active and user can connect via BLE to configure device.
146 +)))
147 +|(% 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" %)(((
148 +(% 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.
149 +(% style="background-color:#f2f2f2; color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
150 +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.
151 +)))
152 +|(% 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.
153 +
154 +
155 +
156 +== 1.7 Pin Mapping ==
157 +
158 +
159 +[[image:1675213198663-754.png||_mstalt="297167"]]
160 +
161 +
162 +== 1.8 BLE connection ==
163 +
164 +
165 +SDI-12-LB support BLE remote configure.
166 +
167 +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:
168 +
169 +* Press button to send an uplink
170 +* Press button to active device.
171 +* Device Power on or reset.
172 +
173 +If there is no activity connection on BLE in 60 seconds, sensor will shut down BLE module to enter low power mode.
174 +
175 +
176 +== 1.9 Mechanical ==
177 +
178 +
179 +[[image:image-20230201090139-2.png||_mstalt="428623"]]
180 +
181 +[[image:image-20230201090139-3.png||_mstalt="428987"]]
182 +
183 +[[image:image-20230201090139-4.png||_mstalt="429351"]]
184 +
185 +
186 += 2. Configure SDI-12 to connect to LoRaWAN network =
187 +
188 +== 2.1 How it works ==
189 +
190 +
191 +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.
192 +
193 +
194 +== 2.2 Quick guide to connect to LoRaWAN server (OTAA) ==
195 +
196 +
197 +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.
198 +
199 +
200 +[[image:image-20230201090528-5.png||_mstalt="430300" height="465" width="1111"]]
201 +
202 +
203 +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.
204 +
205 +
206 +(% style="color:blue" %)**Step 1**(%%): Create a device in TTN with the OTAA keys from SDI-12-LB.
207 +
208 +Each SDI-12-LB is shipped with a sticker with the default device EUI as below:
209 +
210 +
211 +[[image:image-20230426084456-1.png||height="241" width="519"]]
212 +
213 +
214 +You can enter this key in the LoRaWAN Server portal. Below is TTN screen shot:
215 +
216 +
217 +(% style="color:blue" %)**Register the device**
218 +
219 +[[image:1675213652444-622.png||_mstalt="293657"]]
220 +
221 +
222 +(% style="color:blue" %)**Add APP EUI and DEV EUI**
223 +
224 +
225 +[[image:1675213661769-223.png||_mstalt="295217"]]
226 +
227 +
228 +(% style="color:blue" %)**Add APP EUI in the application**
229 +
230 +
231 +[[image:1675213675852-577.png||_mstalt="297947"]]
232 +
233 +
234 +(% style="color:blue" %)**Add APP KEY**
235 +
236 +[[image:1675213686734-883.png||_mstalt="298064"]]
237 +
238 +
239 +(% style="color:blue" %)**Step 2**(%%): Activate on SDI-12-LB
240 +
241 +
242 +Press the button for 5 seconds to activate the SDI-12-LB.
243 +
244 +(% 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.
245 +
246 +
247 +[[image:1675213704414-644.png||_mstalt="293748"]]
248 +
249 +
250 +== ​2.3 SDI-12 Related Commands ==
251 +
252 +
253 +User need to configure SDI-12-LB to communicate with SDI-12 sensors otherwise the uplink payload will only include a few bytes.
254 +
255 +
256 +=== 2.3.1 Basic SDI-12 debug command ===
257 +
258 +
259 +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.
260 +
261 +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.
262 +
263 +The following is the display information on the serial port and the server.
264 +
265 +
266 +[[image:image-20230201091027-6.png||_mstalt="429065"]]
267 +
268 +
269 +[[image:image-20230201091027-7.png||_mstalt="429429" height="261" width="1179"]]
270 +
271 +
272 +
273 +==== (% style="color:blue" %)**al!  ~-~- Get SDI-12 sensor Identification**(%%) ====
274 +
275 +
276 +* AT Command: AT+ADDRI=aa
277 +* LoRaWAN Downlink(prefix 0xAA00): AA 00 aa
278 +
279 +(% style="color:#037691" %)**Parameter:  **(%%)aa: ASCII value of SDI-12 sensor address in downlink or HEX value in AT Command)
280 +
281 +(% style="color:blue" %)**Example :   **(%%)AT+ADDRI=0 ( Equal to downlink: 0x AA 00 30)
282 +
283 +
284 +The following is the display information on the serial port and the server.
285 +
286 +
287 +[[image:image-20230201091257-8.png||_mstalt="431392"]]
288 +
289 +
290 +[[image:image-20230201091257-9.png||_mstalt="431756" height="225" width="1242"]]
291 +
292 +
293 +==== (% style="color:blue" %)**aM!,aMC!, aM1!- aM9!, aMC1!- aMC9!**(%%) ====
294 +
295 +
296 +(% style="color:red" %)**aM! **(%%): Start Non-Concurrent Measurement
297 +
298 +(% style="color:red" %)**aMC! **(%%): Start Non-Concurrent Measurement – Request CRC
299 +
300 +(% style="color:red" %)**aM1!- aM9! **(%%): Additional Measurements
301 +
302 +(% style="color:red" %)**aMC1!- aMC9!**(%%) : Additional Measurements – Request CRC
303 +
304 +
305 +* AT Command : AT+ADDRM=0,1,0,1
306 +
307 +* LoRaWAN Downlink(prefix 0xAA01): 0xAA 01 30 01 00 01
308 +
309 +Downlink：AA 01 aa bb cc dd
310 +
311 +(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
312 +
313 +(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
314 +
315 +(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
316 +
317 +(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
318 +
319 +
320 +The following is the display information on the serial port and the server.
321 +
322 +
323 +[[image:image-20230201091630-10.png||_mstalt="449995"]]
324 +
325 +
326 +[[image:image-20230201091630-11.png||_mstalt="450372" height="247" width="1165"]]
327 +
328 +
329 +
330 +==== (% style="color:blue" %)**aC!, aCC!,  aC1!- aC9!,  aCC1!- aCC9! **(%%) ====
331 +
332 +
333 +(% style="color:red" %)**aC!**(%%) : Start Concurrent Measurement
334 +
335 +(% style="color:red" %)**aCC!** (%%): Start Concurrent Measurement – Request CRC
336 +
337 +(% style="color:red" %)**aC1!- aC9!**(%%) : Start Additional Concurrent Measurements
338 +
339 +(% style="color:red" %)**aCC1!- aCC9!**(%%) : Start Additional Concurrent Measurements – Request CRC
340 +
341 +
342 +* AT Command : AT+ADDRC=0,1,0,1 
343 +
344 +* LoRaWAN Downlink(0xAA02): 0xAA 02 30 01 00 01
345 +
346 +Downlink: AA 02 aa bb cc dd
347 +
348 +(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
349 +
350 +(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
351 +
352 +(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
353 +
354 +(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%)__ __to get return.
355 +
356 +
357 +The following is the display information on the serial port and the server.
358 +
359 +
360 +[[image:image-20230201091954-12.png||_mstalt="453687"]]
361 +
362 +
363 +[[image:image-20230201091954-13.png||_mstalt="454064" height="203" width="1117"]]
364 +
365 +
366 +
367 +
368 +==== (% style="color:blue" %)**aR0!- aR9!,  aRC0!- aRC9!**(%%) ====
369 +
370 +
371 +Start Continuous Measurement
372 +
373 +Start Continuous Measurement – Request CRC
374 +
375 +
376 +* AT Command : AT+ADDRR=0,1,0,1 
377 +* LoRaWAN Downlink (0xAA 03): 0xAA 03 30 01 00 01
378 +
379 +Downlink: AA 03 aa bb cc dd
380 +
381 +(% style="color:#037691" %)**aa**(%%): SDI-12 sensor address.
382 +
383 +(% style="color:#037691" %)**bb**(%%): 0: no CRC, 1: request CRC
384 +
385 +(% style="color:#037691" %)**cc**(%%): 1-9: Additional Measurement, 0: no additional measurement
386 +
387 +(% style="color:#037691" %)**dd**(%%): delay (in second) to send (% style="color:#037691" %)__**aD0!**__(%%) to get return.
388 +
389 +
390 +The following is the display information on the serial port and the server.
391 +
392 +
393 +[[image:image-20230201092208-14.png||_mstalt="452283"]]
394 +
395 +
396 +[[image:image-20230201092208-15.png||_mstalt="452660" height="214" width="1140"]]
397 +
398 +
399 +=== 2.3.2 Advance SDI-12 Debug command ===
400 +
401 +
402 +This command can be used to debug all SDI-12 command.
403 +
404 +
405 +LoRaWAN Downlink: A8 aa xx xx xx xx bb cc
406 +
407 +(% style="color:#037691" %)**aa **(%%): total SDI-12 command length
408 +
409 +(% style="color:#037691" %)**xx **(%%): SDI-12 command
410 +
411 +(% style="color:#037691" %)**bb **(%%): Delay to wait for return
412 +
413 +(% style="color:#037691" %)**cc **(%%): 0: don't uplink return to LoRaWAN, 1: Uplink return to LoRaWAN on FPORT=100
414 +
415 +
416 +(% style="color:blue" %)**Example: **(%%) AT+CFGDEV =0RC0!,1
417 +
418 +(% style="color:#037691" %)**0RC0! **(%%): SDI-12 Command,
419 +
420 +(% style="color:#037691" %)**1 **(%%): Delay 1 second.  ( 0: 810 mini-second)
421 +
422 +Equal Downlink: 0xA8 05 30 52 43 30 21 01 01
423 +
424 +
425 +The following is the display information on the serial port and the server.
426 +
427 +
428 +[[image:image-20230201092355-16.png||_mstalt="453960"]]
429 +
430 +
431 +[[image:image-20230201092355-17.png||_mstalt="454337" height="426" width="1135"]]
432 +
433 +
434 +=== 2.3.3 Convert ASCII to String ===
435 +
436 +
437 +This command is used to convert between ASCII and String format.
438 +
439 +AT+CONVFORM ( Max length: 80 bytes)
440 +
441 +
442 +(% style="color:blue" %)**Example:**
443 +
444 +1) AT+CONVFORM=0, string Convert String from String to ASCII
445 +
446 +[[image:1675214845056-885.png||_mstalt="297622"]]
447 +
448 +
449 +2) AT+CONVFORM=1, ASCII Convert ASCII to String.
450 +
451 +[[image:1675214856590-846.png||_mstalt="297739"]]
452 +
453 +
454 +=== 2.3.4 Define periodically SDI-12 commands and uplink. ===
455 +
456 +
457 +AT+COMMANDx & AT+DATACUTx
458 +
459 +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.
460 +
461 +
462 +* (% style="color:blue" %)**AT Command:**
463 +
464 +(% style="color:#037691" %)**AT+COMMANDx=var1,var2,var3,var4.**
465 +
466 +(% style="color:red" %)**var1**(%%): SDI-12 command , for example: 0RC0!
467 +
468 +(% style="color:red" %)**var2**(%%): Wait timeout for return. (unit: second)
469 +
470 +(% style="color:red" %)**var3**(%%): Whether to send //addrD0!// to get return after var2 timeout. 0: Don't Send //addrD0! //; 1: Send //addrD0!//.
471 +
472 +(% style="color:red" %)**var4**(%%): validation check for return. If return invalid, SDI-12-LB will resend this command. Max 3 retries.
473 +
474 +(% style="color:red" %)**0 **(%%) No validation check;
475 +
476 +(% style="color:red" %)**1** (%%) Check if return chars are printable char(0x20 ~~ 0x7E);
477 +
478 +(% style="color:red" %)**2**(%%)  Check if there is return from SDI-12 sensor
479 +
480 +(% style="color:red" %)**3** (%%) Check if return pass CRC check ( SDI-12 command var1 must include CRC request);
481 +
482 +
483 +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.
484 +
485 +
486 +(% style="color:blue" %)**AT+DATACUTx**(%%) : This command defines how to handle the return from AT+COMMANDx, max return length is 100 bytes.
487 +
488 +(% border="1" style="width:436px" %)
489 +|(% style="background-color:#f2f2f2; width:433px" %)(((
490 +(% style="color:#0070c0" %)**AT+DATACUTx=a,b,c**
491 +
492 +**a**:  length for the return of AT+COMMAND
493 +
494 +**b**: 1: grab valid value by byte, max 6 bytes. 2: grab valid value by bytes section, max 3 sections.
495 +
496 +**c**:  define the position for valid value. 
497 +)))
498 +
499 +For example, if return from AT+COMMAND1 is “013METER   TER12 112T12-00024895<CR><LF>” , Below AT+DATACUT1 will get different result to combine payload:
500 +
501 +
502 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
503 +|=(% style="width: 164px;background-color:#D9E2F3;color:#0070C0" %)**AT+DATACUT1 value**|=(% style="width: 344px;background-color:#D9E2F3;color:#0070C0" %)**Final Result to combine Payload**
504 +|(% style="background-color:#f2f2f2; width:164px" %)34,1,1+2+3|(% style="background-color:#f2f2f2; width:344px" %)0D 00 01 30 31 33
505 +|(% 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
506 +|(% 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
507 +
508 +* (% style="color:blue" %)** Downlink Payload:**
509 +
510 +(% style="color:blue" %)**0xAF**(%%)  downlink command can be used to set AT+COMMANDx or AT+DATACUTx.
511 +
512 +
513 +(% style="color:red" %)**Note : if user use AT+COMMANDx to add a new command, he also need to send AT+DATACUTx downlink.**
514 +
515 +
516 +Format: ** (% style="color:#037691" %)AF MM NN LL XX XX XX XX YY(%%)**
517 +
518 +Where:
519 +
520 +* (% style="color:#037691" %)**MM **(%%): the AT+COMMAND or AT+DATACUT to be set. Value from 01 ~~ 0F,
521 +* (% style="color:#037691" %)**NN **(%%):  1: set the AT+COMMAND value ; 2: set the AT+DATACUT value.
522 +* (% style="color:#037691" %)**LL **(%%):  The length of AT+COMMAND or AT+DATACUT command
523 +* (% style="color:#037691" %)**XX XX XX XX **(%%): AT+COMMAND or AT+DATACUT command
524 +* (% 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. 
525 +
526 +(% style="color:blue" %)**Example:**
527 +
528 +[[image:image-20230201094129-18.png||_mstalt="455065"]]
529 +
530 +
531 +
532 +(% style="color:blue" %)**Clear SDI12 Command**
533 +
534 +The AT+COMMANDx and AT+DATACUTx settings are stored in special location, user can use below command to clear them.
535 +
536 +
537 +* (% style="color:#037691" %)**AT Command:**
538 +
539 +(% style="color:#4f81bd" %)**AT+CMDEAR=mm,nn** (%%) mm: start position of erase ,nn: stop position of erase
540 +
541 +
542 +Etc. AT+CMDEAR=1,10 means erase AT+COMMAND1/AT+DATACUT1 to AT+COMMAND10/AT+DATACUT10
543 +
544 +
545 +* (% style="color:#037691" %)** Downlink Payload:**
546 +
547 +(% style="color:#4f81bd" %)**0x09 aa bb**(%%)  same as AT+CMDEAR=aa,bb
548 +
549 +
550 +
551 +(% style="color:blue" %)**command combination**
552 +
553 +Below shows a screen shot how the results combines together to a uplink payload.
554 +
555 +[[image:1675215745275-920.png||_mstalt="295334"]]
556 +
557 +
558 +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.
559 +
560 +(% 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.
561 +
562 +
563 +(% 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.
564 +
565 +
566 +[[image:1675215782925-448.png||_mstalt="297466"]]
567 +
568 +
569 +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.
570 +
571 +
572 +
573 +(% style="color:blue" %)**Compose Uplink**
574 +
575 +(% style="color:#4f81bd" %)**AT+DATAUP=0**
576 +
577 +Compose the uplink payload with value returns in sequence and send with **__A SIGNLE UPLINK__**.
578 +
579 +Final Payload is **__Battery Info+PAYVER + VALID Value from RETURN1 + Valid Value from RETURN2 + … + RETURNx__**
580 +
581 +Where PAYVER is defined by AT+PAYVER, below is an example screen shot.
582 +
583 +
584 +[[image:1675215828102-844.png||_mstalt="294645"]]
585 +
586 +
587 +(% style="color:#4f81bd" %)**AT+DATAUP=1**
588 +
589 +Compose the uplink payload with value returns in sequence and send with **__Multiply UPLINKs__**.
590 +
591 +Final Payload is __**Battery Info+PAYVER + PAYLOAD COUNT + PAYLOAD# + DATA**__
592 +
593 +1. Battery Info (2 bytes): Battery voltage
594 +1. PAYVER (1 byte): Defined by AT+PAYVER
595 +1. PAYLOAD COUNT (1 byte): Total how many uplinks of this sampling.
596 +1. PAYLOAD# (1 byte): Number of this uplink. (from 0,1,2,3…,to PAYLOAD COUNT)
597 +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
598 +
599 +[[image:1675215848113-696.png||_mstalt="296998"]]
600 +
601 +
602 +(% style="color:red" %)**Notice: the Max bytes is according to the max support bytes in different Frequency Bands for lowest SF. As below:**
603 +
604 +* For AU915/AS923 bands, if UplinkDwell time=0, max 51 bytes for each uplink ( so 51 -5 = 46 max valid date)
605 +* For AU915/AS923 bands, if UplinkDwell time=1, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
606 +* For US915 band, max 11 bytes for each uplink ( so 11 -5 = 6 max valid date).
607 +* For all other bands: max 51 bytes for each uplink  ( so 51 -5 = 46 max valid date).
608 +
609 +(% style="color:red" %)**When AT+DATAUP=1, the maximum number of segments is 15, and the maximum total number of bytes is 1500;**
610 +
611 +(% 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.**
612 +
613 +
614 +== 2.4 Uplink Payload ==
615 +
616 +=== 2.4.1 Device Payload, FPORT~=5 ===
617 +
618 +
619 +Include device configure status. Once SDI-12-LB Joined the network, it will uplink this message to the server.
620 +
621 +Users can also use the downlink command(0x26 01) to ask SDI-12-LB to resend this uplink.
622 +
623 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
624 +|(% colspan="6" style="background-color:#d9e2f3; color:#0070c0" %)**Device Status (FPORT=5)**
625 +|(% 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**
626 +|(% 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
627 +
628 +Example parse in TTNv3
629 +
630 +[[image:1675215946738-635.png||_mstalt="297778"]]
631 +
632 +
633 +(% style="color:#037691" %)**Sensor Model**(%%): For SDI-12-LB, this value is 0x17
634 +
635 +(% style="color:#037691" %)**Firmware Version**(%%): 0x0100, Means: v1.0.0 version
636 +
637 +(% style="color:#037691" %)**Frequency Band**:
638 +
639 +*0x01: EU868
640 +
641 +*0x02: US915
642 +
643 +*0x03: IN865
644 +
645 +*0x04: AU915
646 +
647 +*0x05: KZ865
648 +
649 +*0x06: RU864
650 +
651 +*0x07: AS923
652 +
653 +*0x08: AS923-1
654 +
655 +*0x09: AS923-2
656 +
657 +*0x0a: AS923-3
658 +
659 +*0x0b: CN470
660 +
661 +*0x0c: EU433
662 +
663 +*0x0d: KR920
664 +
665 +*0x0e: MA869
666 +
667 +
668 +(% style="color:#037691" %)**Sub-Band**:
669 +
670 +AU915 and US915:value 0x00 ~~ 0x08
671 +
672 +CN470: value 0x0B ~~ 0x0C
673 +
674 +Other Bands: Always 0x00
675 +
676 +
677 +(% style="color:#037691" %)**Battery Info**:
678 +
679 +Check the battery voltage.
680 +
681 +Ex1: 0x0B45 = 2885mV
682 +
683 +Ex2: 0x0B49 = 2889mV
684 +
685 +
686 +=== 2.4.2 Uplink Payload, FPORT~=2 ===
687 +
688 +
689 +There are different cases for uplink. See below
690 +
691 +* SDI-12 Debug Command return: FPORT=100
692 +
693 +* Periodically Uplink: FPORT=2
694 +
695 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
696 +|=(% style="width: 90px;background-color:#D9E2F3" %)(((
697 +**Size(bytes)**
698 +)))|=(% 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**
699 +|(% style="width:93px" %)**Value**|(% style="width:83px" %)(((
700 +Battery(mV)
701 +&
702 +Interrupt_Flag
703 +)))|(% style="width:91px" %)[[PAYLOAD_VER>>||anchor="H3.6Setthepayloadversion"]]|(% style="width:212px" %)(((
704 +If the valid payload is too long and exceed the maximum support.
705 +Payload length in server,server will show payload not provided in the LoRaWAN server.
706 +)))
707 +
708 +[[image:1675216282284-923.png||_mstalt="295633"]]
709 +
710 +
711 +=== 2.4.3 Battery Info ===
712 +
713 +
714 +Check the battery voltage for SDI-12-LB.
715 +
716 +Ex1: 0x0B45 = 2885mV
717 +
718 +Ex2: 0x0B49 = 2889mV
719 +
720 +
721 +=== 2.4.4 Interrupt Pin ===
722 +
723 +
724 +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"]].
725 +
726 +**Example:**
727 +
728 +Ex1: 0x0B45:0x0B&0x80= 0x00    Normal uplink packet.
729 +
730 +Ex2: 0x8B49:0x8B&0x80= 0x80    Interrupt Uplink Packet.
731 +
732 +
733 +=== 2.4.5 Payload version ===
734 +
735 +
736 +The version number of the payload, mainly used for decoding. The default is 01.
737 +
738 +
739 +=== 2.4.6 ​Decode payload in The Things Network ===
740 +
741 +
742 +While using TTN network, you can add the payload format to decode the payload.
743 +
744 +[[image:1675216779406-595.png||_mstalt="298376"]]
745 +
746 +
747 +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.
748 +
749 +SDI-12-LB TTN Payload Decoder: [[https:~~/~~/github.com/dragino/dragino-end-node-decoder>>url:https://github.com/dragino/dragino-end-node-decoder]]
750 +
751 +
752 +== 2.5 Uplink Interval ==
753 +
754 +
755 +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:
756 +
757 +[[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]]
758 +
759 +
760 +== 2.6 Examples To Set SDI commands ==
761 +
762 +=== 2.6.1 Examples 1 ~-~- General Example ===
763 +
764 +
765 +COM port and SDI-12 sensor communication converted to SDI-12-LB and SDI-12 sensor communication.
766 +
767 +[[image:image-20230222143809-1.png||_mstalt="429962" height="564" width="729"]]
768 +
769 +
770 +(% style="color:blue" %)**1) The AT+COMMANDx command is applied to the red arrow part, and sends the SDI12 command to the SDI12 sensor:**
771 +
772 +a. Send the first command and get the first reply：
773 +
774 +(% style="color:#037691" %)**AT+COMMANDx=1I!,0,0,1**
775 +
776 +b. Send the second command and get the second reply：
777 +
778 +(% style="color:#037691" %)**AT+COMMANDx=2I!,0,0,1**
779 +
780 +c. Send the third command and get the third reply：
781 +
782 +(% style="color:#037691" %)**AT+COMMANDx=3I!,0,0,1**
783 +
784 +d. Send the fourth command and get the fourth reply：
785 +
786 +(% style="color:#037691" %)**AT+COMMANDx=4I!,0,0,1**
787 +
788 +e. Send the fifth command plus the sixth command, get the sixth reply：
789 +
790 +(% style="color:#037691" %)**AT+COMMANDx=1M!,2,1,1**
791 +
792 +f. Send the seventh command plus the eighth command, get the eighth reply：
793 +
794 +(% style="color:#037691" %)**AT+COMMANDx=2M!,2,1,1**
795 +
796 +g. Send the ninth command plus the tenth command, get the tenth reply：
797 +
798 +(% style="color:#037691" %)**AT+COMMANDx=3M!,1,1,1**
799 +
800 +h. Send the eleventh command plus the twelfth command, get the twelfth reply：
801 +
802 +(% style="color:#037691" %)**AT+COMMANDx=4M!,1,1,1**
803 +
804 +
805 +(% style="color:blue" %)**2) The AT+DATACUTx command is applied to the green arrow part, receiving and cut out data from the SDI12 sensor：**
806 +
807 +a. The first reply, all 34 characters: ”113TRUEBNERSMT100038220303182331<CR><LF>”
808 +
809 +Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=34,2,1~~34**(% style="color:#037691" %);
810 +
811 +b. The sixth reply, all 31 characters：”1+19210+1.04+0.00+22.49+11.75<CR><LF>”
812 +
813 +Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
814 +
815 +c. The eighth reply, all 31 characters：”2+18990+1.08+0.00+22.24+11.80<CR><LF>”
816 +
817 +Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=31,2,1~~31**(% style="color:#037691" %);
818 +
819 +d. The tenth reply, all 15 characters：”3-2919.8+24.0<CR><LF>”
820 +
821 +Cut out all characters: (% _mstmutation="1" style="color:#037691" %)**AT+ALLDATAMOD=1 or AT+DATACUTx=15,2,1~~15**(% style="color:#037691" %);
822 +
823 +e. The twelfth reply, all 25 characters：”4+30.8+22.84+4.7+954.38<CR><LF>”
824 +
825 +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”**.
826 +
827 +
828 +=== 2.6.2 Example 2 ~-~- Connect to Hygrovue10 ===
829 +
830 +==== 2.6.2.1 Reference Manual and Command ====
831 +
832 +
833 +* [[Hygrovue10 Product Page>>https://www.campbellsci.com/hygrovue10]]
834 +
835 +* Commands to be used in PC and output.
836 +
837 +~1. check device address
838 +
839 +2. change device address
840 +
841 +3. check device ID
842 +
843 +4. start measure
844 +
845 +5. Get Meausre result
846 +
847 +[[image:image-20230603120209-2.png||height="281" width="267"]]
848 +
849 +
850 +==== 2.6.2.2 Hardware Connection to SDI-12-LB ====
851 +
852 +
853 +[[image:image-20230603120515-3.png]]
854 +
855 +
856 +==== 2.6.2.3 Commands set in SDI-12-LB and uplink payload ====
857 +
858 +
859 +[[image:image-20230603120648-4.png]]
860 +
861 +[[image:image-20230603120726-5.png]]
862 +
863 +
864 +**Data in TTN:**
865 +
866 +[[image:image-20230603120859-6.png||height="118" width="1285"]]
867 +
868 +
869 +=== (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.3 Example 3 ~-~- Connect to SIL-400 ===
870 +
871 +==== 2.6.3.1 Reference Manual and Command ====
872 +
873 +
874 +* [[SIL-400 Product Page>>https://www.apogeeinstruments.com/sil-411-commercial-grade-sdi-12-digital-output-standard-field-of-view-infrared-radiometer-sensor/]]
875 +
876 +* Commands to be used in PC and output.
877 +
878 +~1. check device address
879 +
880 +2. change device address
881 +
882 +3. check device ID
883 +
884 +4. start measure
885 +
886 +5. Get Meausre result
887 +
888 +[[image:image-20230603121606-7.png||height="242" width="307"]]
889 +
890 +
891 +==== 2.6.3.2 Hardware Connection to SDI-12-LB ====
892 +
893 +
894 +[[image:image-20230603121643-8.png||height="442" width="656"]]
895 +
896 +
897 +==== 2.6.3.3 Commands set in SDI-12-LB and uplink payload ====
898 +
899 +
900 +[[image:image-20230603121721-9.png]]
901 +
902 +[[image:image-20230603121752-10.png]]
903 +
904 +Data in TTN:
905 +
906 +[[image:image-20230603121826-11.png||height="155" width="1104"]]
907 +
908 +
909 +
910 +=== (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.4 Example 4 ~-~- Connect to TEROS-12 ===
911 +
912 +==== 2.6.4.1 Reference Manual and Command ====
913 +
914 +
915 +* [[TEROS-12 Product Page>>https://www.metergroup.com/en/meter-environment/products/teros-12-soil-moisture-sensor]]
916 +
917 +* Commands to be used in PC and output.
918 +
919 +1.check device address
920 +
921 +2.change device address
922 +
923 +3.check device ID
924 +
925 +4.start measure
926 +
927 +5.Get Meausre result
928 +
929 +[[image:image-20230603122248-16.png||height="196" width="198"]]
930 +
931 +
932 +==== 2.6.4.2 Hardware Connection to SDI-12-LB ====
933 +
934 +
935 +[[image:image-20230603122212-15.png||height="502" width="667"]]
936 +
937 +
938 +==== 2.6.4.3 Commands set in SDI-12-LB and uplink payload ====
939 +
940 +[[image:image-20230603122040-12.png]]
941 +
942 +[[image:image-20230603122109-13.png||height="469" width="762"]]
943 +
944 +
945 +**Data in TTN:**
946 +
947 +[[image:image-20230603122139-14.png||height="148" width="1128"]]
948 +
949 +
950 +=== (% id="cke_bm_1489640S" style="display:none" %) (% id="cke_bm_1172015S" style="display:none" %) (%%)2.6.5 Example 5 ~-~- Connect to SIL-400/TEROS-12 & Hygrovue10 ===
951 +
952 +==== 2.6.5.1 Important Notice! ====
953 +
954 +
955 +* The product page and reference command see above example 2,3,4
956 +
957 +* 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.
958 +
959 +* 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.
960 +
961 +* If these SDI-12 sensors are powered by external power source. It will add 300uA in the total current in SDI-12-LB.
962 +
963 +
964 +
965 +==== 2.6.5.2 Hardware Connection to SDI-12-LB ====
966 +
967 +
968 +[[image:image-20230603122508-17.png||height="526" width="742"]]
969 +
970 +
971 +==== 2.6.5.3 Commands set in SDI-12-LB and uplink payload ====
972 +
973 +
974 +[[image:image-20230603122549-18.png]]
975 +
976 +[[image:image-20230603122623-19.png||height="483" width="1121"]]
977 +
978 +
979 +**Data in TTN:**
980 +
981 +[[image:image-20230603122719-20.png||height="151" width="1179"]]
982 +
983 +
984 +== 2.7 Frequency Plans ==
985 +
986 +
987 +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.
988 +
989 +[[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/]]
990 +
991 +
992 +== 2.8 Firmware Change Log ==
993 +
994 +
995 +**Firmware download link:**
996 +
997 +[[https:~~/~~/www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0>>https://www.dropbox.com/sh/qrbgbikb109lkiv/AACBR-v_ZhZAMengcY7Nsa1ja?dl=0]]
998 +
999 +
1000 += 3. Configure SDI-12-LB via AT Command or LoRaWAN Downlink =
1001 +
1002 +
1003 +Use can configure SDI-12-LB via AT Command or LoRaWAN Downlink.
1004 +
1005 +* AT Command Connection: See [[FAQ>>||anchor="H7.FAQ"]].
1006 +* LoRaWAN Downlink instruction for different platforms: See [[IoT LoRaWAN Server>>http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
1007 +
1008 +There are two kinds of commands to configure SDI-12-LB, they are:
1009 +
1010 +* (% style="color:blue" %)**General Commands**.
1011 +
1012 +These commands are to configure:
1013 +
1014 +* General system settings like: uplink interval.
1015 +* LoRaWAN protocol & radio related command.
1016 +
1017 +They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki:
1018 +
1019 +[[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/]]
1020 +
1021 +
1022 +* (% style="color:blue" %)**Commands special design for SDI-12-LB**
1023 +
1024 +These commands only valid for SDI-12-LB, as below:
1025 +
1026 +
1027 +== 3.1 Set Transmit Interval Time ==
1028 +
1029 +
1030 +Feature: Change LoRaWAN End Node Transmit Interval.
1031 +
1032 +(% style="color:blue" %)**AT Command: AT+TDC**
1033 +
1034 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1035 +|=(% 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**
1036 +|(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=?|(% style="background-color:#f2f2f2; width:166px" %)Show current transmit Interval|(% style="background-color:#f2f2f2" %)(((
1037 +30000
1038 +OK
1039 +the interval is 30000ms = 30s
1040 +)))
1041 +|(% style="background-color:#f2f2f2; width:157px" %)AT+TDC=60000|(% style="background-color:#f2f2f2; width:166px" %)Set Transmit Interval|(% style="background-color:#f2f2f2" %)(((
1042 +OK
1043 +Set transmit interval to 60000ms = 60 seconds
1044 +)))
1045 +
1046 +(% style="color:blue" %)**Downlink Command: 0x01**
1047 +
1048 +
1049 +Format: Command Code (0x01) followed by 3 bytes time value.
1050 +
1051 +If the downlink payload=0100003C, it means set the END Node's Transmit Interval to 0x00003C=60(S), while type code is 01.
1052 +
1053 +* Example 1: Downlink Payload: 0100001E  ~/~/ Set Transmit Interval (TDC) = 30 seconds
1054 +* Example 2: Downlink Payload: 0100003C  ~/~/  Set Transmit Interval (TDC) = 60 seconds
1055 +
1056 +
1057 +
1058 +== 3.2 Set Interrupt Mode ==
1059 +
1060 +
1061 +Feature, Set Interrupt mode for GPIO_EXIT.
1062 +
1063 +(% style="color:blue" %)**AT Command: AT+INTMOD**
1064 +
1065 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1066 +|=(% 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**
1067 +|(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=?|(% style="background-color:#f2f2f2; width:196px" %)Show current interrupt mode|(% style="background-color:#f2f2f2; width:157px" %)(((
1068 +0
1069 +OK
1070 +the mode is 0 =Disable Interrupt
1071 +)))
1072 +|(% style="background-color:#f2f2f2; width:154px" %)AT+INTMOD=2|(% style="background-color:#f2f2f2; width:196px" %)(((
1073 +Set Transmit Interval
1074 +0. (Disable Interrupt),
1075 +~1. (Trigger by rising and falling edge)
1076 +2. (Trigger by falling edge)
1077 +3. (Trigger by rising edge)
1078 +)))|(% style="background-color:#f2f2f2; width:157px" %)OK
1079 +
1080 +(% style="color:blue" %)**Downlink Command: 0x06**
1081 +
1082 +Format: Command Code (0x06) followed by 3 bytes.
1083 +
1084 +This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1085 +
1086 +* Example 1: Downlink Payload: 06000000  ~/~/  Turn off interrupt mode
1087 +* Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
1088 +
1089 +
1090 +
1091 +== 3.3 Set the output time ==
1092 +
1093 +
1094 +Feature, Control the output 3V3 , 5V or 12V.
1095 +
1096 +(% style="color:blue" %)**AT Command: AT+3V3T**
1097 +
1098 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:474px" %)
1099 +|=(% 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**
1100 +|(% style="background-color:#f2f2f2; width:154px" %)AT+3V3T=?|(% style="background-color:#f2f2f2; width:201px" %)Show 3V3 open time.|(% style="background-color:#f2f2f2; width:116px" %)(((
1101 +0
1102 +OK
1103 +)))
1104 +|(% 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" %)(((
1105 +OK
1106 +default setting
1107 +)))
1108 +|(% 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" %)(((
1109 +OK
1110 +)))
1111 +|(% 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" %)(((
1112 +OK
1113 +)))
1114 +
1115 +(% style="color:blue" %)**AT Command: AT+5VT**
1116 +
1117 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:470px" %)
1118 +|=(% 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**
1119 +|(% style="background-color:#f2f2f2; width:155px" %)AT+5VT=?|(% style="background-color:#f2f2f2; width:196px" %)Show 5V open time.|(% style="background-color:#f2f2f2; width:114px" %)(((
1120 +0
1121 +OK
1122 +)))
1123 +|(% 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" %)(((
1124 +OK
1125 +default setting
1126 +)))
1127 +|(% 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" %)(((
1128 +OK
1129 +)))
1130 +|(% 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" %)(((
1131 +OK
1132 +)))
1133 +
1134 +(% style="color:blue" %)**AT Command: AT+12VT**
1135 +
1136 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:443px" %)
1137 +|=(% 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**
1138 +|(% style="background-color:#f2f2f2; width:156px" %)AT+12VT=?|(% style="background-color:#f2f2f2; width:199px" %)Show 12V open time.|(% style="background-color:#f2f2f2; width:83px" %)(((
1139 +0
1140 +OK
1141 +)))
1142 +|(% 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
1143 +|(% 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" %)(((
1144 +OK
1145 +)))
1146 +
1147 +(% style="color:blue" %)**Downlink Command: 0x07**
1148 +
1149 +Format: Command Code (0x07) followed by 3 bytes.
1150 +
1151 +The first byte is which power, the second and third bytes are the time to turn on.
1152 +
1153 +* Example 1: Downlink Payload: 070101F4  **~-~-->**  AT+3V3T=500
1154 +* Example 2: Downlink Payload: 0701FFFF   **~-~-->**  AT+3V3T=65535
1155 +* Example 3: Downlink Payload: 070203E8  **~-~-->**  AT+5VT=1000
1156 +* Example 4: Downlink Payload: 07020000  **~-~-->**  AT+5VT=0
1157 +* Example 5: Downlink Payload: 070301F4  **~-~-->**  AT+12VT=500
1158 +* Example 6: Downlink Payload: 07030000  **~-~-->**  AT+12VT=0
1159 +
1160 +
1161 +
1162 +== 3.4 Set the all data mode ==
1163 +
1164 +
1165 +Feature, Set the all data mode.
1166 +
1167 +(% style="color:blue" %)**AT Command: AT+ALLDATAMOD**
1168 +
1169 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1170 +|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1171 +|(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=?|(% style="background-color:#f2f2f2" %)Show current all data mode|(% style="background-color:#f2f2f2" %)(((
1172 +0
1173 +OK
1174 +)))
1175 +|(% style="background-color:#f2f2f2" %)AT+ALLDATAMOD=1|(% style="background-color:#f2f2f2" %)Set all data mode is 1.|(% style="background-color:#f2f2f2" %)OK
1176 +
1177 +(% style="color:blue" %)**Downlink Command: 0xAB**
1178 +
1179 +Format: Command Code (0xAB) followed by 1 bytes.
1180 +
1181 +* Example 1: Downlink Payload: AB 00  ~/~/  AT+ALLDATAMOD=0
1182 +* Example 2: Downlink Payload: AB 01  ~/~/  AT+ALLDATAMOD=1
1183 +
1184 +
1185 +
1186 +== 3.5 Set the splicing payload for uplink ==
1187 +
1188 +
1189 +Feature, splicing payload for uplink.
1190 +
1191 +(% style="color:blue" %)**AT Command: AT+DATAUP**
1192 +
1193 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1194 +|=(% 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**
1195 +|(% 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" %)(((
1196 +0
1197 +OK
1198 +)))
1199 +|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =0|(% style="background-color:#f2f2f2; width:266px" %)(((
1200 +Set splicing payload for uplink mode is 0.
1201 +)))|(% style="background-color:#f2f2f2" %)(((
1202 +OK
1203 +)))
1204 +|(% 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
1205 +|(% style="background-color:#f2f2f2; width:154px" %)AT+DATAUP =1,20000|(% style="background-color:#f2f2f2; width:266px" %)(((
1206 +Set splicing payload for uplink mode is 1, and the uplink interval of each splice to 20000 milliseconds.
1207 +)))|(% style="background-color:#f2f2f2" %)OK
1208 +
1209 +(% style="color:blue" %)**Downlink Command: 0xAD**
1210 +
1211 +Format: Command Code (0xAD) followed by 1 bytes or 5 bytes.
1212 +
1213 +* Example 1: Downlink Payload: AD 00  ~/~/  AT+DATAUP=0
1214 +* Example 2: Downlink Payload: AD 01  ~/~/  AT+DATAUP =1
1215 +* Example 3: Downlink Payload: AD 01 00 00 14  ~/~/  AT+DATAUP =1,20000
1216 +
1217 +This means that the interval is set to 0x000014=20S
1218 +
1219 +
1220 +== 3.6 Set the payload version ==
1221 +
1222 +
1223 +Feature, Set the payload version.
1224 +
1225 +(% style="color:blue" %)**AT Command: AT+PAYVER**
1226 +
1227 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:437px" %)
1228 +|=(% 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**
1229 +|(% style="background-color:#f2f2f2; width:158px" %)AT+PAYVER=?|(% style="background-color:#f2f2f2; width:192px" %)Show current payload version|(% style="background-color:#f2f2f2" %)(((
1230 +1
1231 +OK
1232 +)))
1233 +|(% 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
1234 +
1235 +(% style="color:blue" %)**Downlink Command: 0xAE**
1236 +
1237 +Format: Command Code (0xAE) followed by 1 bytes.
1238 +
1239 +* Example 1: Downlink Payload: AE 01  ~/~/  AT+PAYVER=1
1240 +* Example 2: Downlink Payload: AE 05  ~/~/  AT+PAYVER=5
1241 +
1242 +
1243 +
1244 += 4. Battery & Power Consumption =
1245 +
1246 +
1247 +SDI-12-LB uses ER26500 + SPC1520 battery pack. See below link for detail information about the battery info and how to replace.
1248 +
1249 +[[**Battery Info & Power Consumption Analyze**>>url:http://wiki.dragino.com/xwiki/bin/view/Main/How%20to%20calculate%20the%20battery%20life%20of%20Dragino%20sensors%3F/]] .
1250 +
1251 +
1252 += 5. Remote Configure device =
1253 +
1254 +== 5.1 Connect via BLE ==
1255 +
1256 +
1257 +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/]]
1258 +
1259 +
1260 +== 5.2 AT Command Set ==
1261 +
1262 +
1263 +
1264 += 6. OTA firmware update =
1265 +
1266 +
1267 +Please see this link for how to do OTA firmware update.
1268 +
1269 +[[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/]]
1270 +
1271 +
1272 += 7. FAQ =
1273 +
1274 +== 7.1 How to use AT Command  via UART to access device? ==
1275 +
1276 +
1277 +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]]
1278 +
1279 +
1280 +== 7.2 How to update firmware via UART port? ==
1281 +
1282 +
1283 +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]]
1284 +
1285 +
1286 +== 7.3 How to change the LoRa Frequency Bands/Region? ==
1287 +
1288 +
1289 +You can follow the instructions for [[how to upgrade image>>doc:Main.Firmware Upgrade Instruction for STM32 base products.WebHome]].
1290 +When downloading the images, choose the required image file for download. ​
1291 +
1292 +
1293 += 8. ​Order Info =
1294 +
1295 +
1296 +(((
1297 +(% style="color:blue" %)**Part Number: SDI-12-LB-XXX**
1298 +)))
1299 +
1300 +(((
1301 +XXX: The default frequency band
1302 +)))
1303 +
1304 +(((
1305 +(% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band
1306 +(% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band
1307 +(% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band
1308 +(% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band
1309 +(% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band
1310 +(% style="color:red" %)**US915**(%%): LoRaWAN US915 band
1311 +(% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band
1312 +(% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1313 +)))
1314 +
1315 +
1316 += 9. Packing Info =
1317 +
1318 +
1319 +(% style="color:#037691" %)**Package Includes**:
1320 +
1321 +* SDI-12-LB SDI-12 to LoRaWAN Converter x 1
1322 +
1323 +(% style="color:#037691" %)**Dimension and weight**:
1324 +
1325 +* Device Size: cm
1326 +* Device Weight: g
1327 +* Package Size / pcs : cm
1328 +* Weight / pcs : g
1329 +
1330 +
1331 +
1332 += 10. ​Support =
1333 +
1334 +
1335 +* 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.
1336 +
1337 +* 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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