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From version 91.1
edited by Xiaoling
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edited by Xiaoling
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Title
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1 -LLDS12-LoRaWAN LiDAR ToF Distance Sensor User Manual
1 +LSPH01-LoRaWAN Soil pH Sensor User Manual
Content
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1 1  (% style="text-align:center" %)
2 -[[image:image-20220610095606-1.png]]
2 +[[image:1654592399090-860.png||height="521" width="483"]]
3 3  
4 4  
5 +
6 +
5 5  **Contents:**
6 6  
9 +* [[1. Introduction>>path:#H1.Introduction]]
10 +** [[1.1 ​What is LoRaWAN Soil pH Sensor>>path:#H1.1200BWhatisLoRaWANSoilpHSensor]]
11 +** [[​1.2 Features>>path:#H200B1.2Features]]
12 +** [[1.3 Probe Specification>>path:#H1.3ProbeSpecification]]
13 +** [[1.4 ​Applications>>path:#H1.4200BApplications]]
14 +** [[1.5 Pin mapping and power on>>path:#H1.5Pinmappingandpoweron]]
15 +* [[2. Configure LSPH01 to connect to LoRaWAN network>>path:#H2.ConfigureLSPH01toconnecttoLoRaWANnetwork]]
16 +** [[2.1 How it works>>path:#H2.1Howitworks]]
17 +** [[2.2 ​Quick guide to connect to LoRaWAN server (OTAA)>>path:#H2.2200BQuickguidetoconnecttoLoRaWANserver28OTAA29]]
18 +** [[2.3 ​Uplink Payload>>path:#H2.3200BUplinkPayload]]
19 +*** [[2.3.1 Battery Info>>path:#H2.3.1BatteryInfo]]
20 +*** [[2.3.2 DS18B20 Temperature sensor>>path:#H2.3.2DS18B20Temperaturesensor]]
21 +*** [[2.3.3 Soil pH>>path:#H2.3.3SoilpH]]
22 +*** [[2.3.4 Soil Temperature>>path:#H2.3.4SoilTemperature]]
23 +*** [[2.3.5 Interrupt Pin>>path:#H2.3.5InterruptPin]]
24 +*** [[2.3.6 Message Type>>path:#H2.3.6MessageType]]
25 +*** [[2.3.7 Decode payload in The Things Network>>path:#H2.3.7DecodepayloadinTheThingsNetwork]]
26 +** [[2.4 Uplink Interval>>path:#H2.4UplinkInterval]]
27 +** [[2.5 ​Show Data in DataCake IoT Server>>path:#H2.5200BShowDatainDataCakeIoTServer]]
28 +** [[2.6 Installation and Maintain>>path:#H2.6InstallationandMaintain]]
29 +*** [[2.6.1 Before measurement>>path:#H2.6.1Beforemeasurement]]
30 +*** [[2.6.2 Measurement>>path:#H2.6.2Measurement]]
31 +*** [[2.6.3 Maintain Probe>>path:#H2.6.3MaintainProbe]]
32 +** [[2.7 Calibration>>path:#H2.7Calibration]]
33 +** [[2.8 Frequency Plans>>path:#H2.8FrequencyPlans]]
34 +*** [[2.8.1 EU863-870 (EU868)>>path:#H2.8.1EU863-87028EU86829]]
35 +*** [[2.8.2 US902-928(US915)>>path:#H2.8.2US902-92828US91529]]
36 +*** [[2.8.3 CN470-510 (CN470)>>path:#H2.8.3CN470-51028CN47029]]
37 +*** [[2.8.4 AU915-928(AU915)>>path:#H2.8.4AU915-92828AU91529]]
38 +*** [[2.8.5 AS920-923 & AS923-925 (AS923)>>path:#H2.8.5AS920-92326AS923-92528AS92329]]
39 +*** [[2.8.6 KR920-923 (KR920)>>path:#H2.8.6KR920-92328KR92029]]
40 +*** [[2.8.7 IN865-867 (IN865)>>path:#H2.8.7IN865-86728IN86529]]
41 +** [[2.9 LED Indicator>>path:#H2.9LEDIndicator]]
42 +** [[2.10 ​Firmware Change Log>>path:#H2.10200BFirmwareChangeLog]]
43 +* [[3. Configure LSPH01 via AT Command or LoRaWAN Downlink>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]]
44 +** [[3.1 Set Transmit Interval Time>>path:#H3.1SetTransmitIntervalTime]]
45 +** [[3.2 Set Interrupt Mode>>path:#H3.2SetInterruptMode]]
46 +** [[3.3 Calibrate Sensor>>path:#H3.3CalibrateSensor]]
47 +** [[3.4 Get Firmware Version Info>>path:#H3.4GetFirmwareVersionInfo]]
48 +* [[4. Battery & How to replace>>path:#H4.Battery26Howtoreplace]]
49 +** [[4.1 Battery Type>>path:#H4.1BatteryType]]
50 +** [[4.2 Replace Battery>>path:#H4.2ReplaceBattery]]
51 +** [[4.3 Power Consumption Analyze>>path:#H4.3PowerConsumptionAnalyze]]
52 +*** [[4.3.1 ​Battery Note>>path:#H4.3.1200BBatteryNote]]
53 +*** [[​4.3.2 Replace the battery>>path:#H200B4.3.2Replacethebattery]]
54 +* [[5. Use AT Command>>path:#H5.UseATCommand]]
55 +** [[5.1 Access AT Commands>>path:#H5.1AccessATCommands]]
56 +* [[6. FAQ>>path:#H6.FAQ]]
57 +** [[6.1 How to change the LoRa Frequency Bands/Region>>path:#H6.1HowtochangetheLoRaFrequencyBands2FRegion]]
58 +* [[7. Trouble Shooting>>path:#H7.TroubleShooting]]
59 +** [[7.1 AT Commands input doesn’t work>>path:#H7.1ATCommandsinputdoesn2019twork]]
60 +* [[8. Order Info>>path:#H8.OrderInfo]]
61 +* [[9. ​Packing Info>>path:#H9.200BPackingInfo]]
62 +* [[10. ​Support>>path:#H10.A0200BSupport]]
7 7  
8 8  
9 9  
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10 10  
11 11  
12 12  
69 +
13 13  = 1. Introduction =
14 14  
15 -== 1.1 ​What is LoRaWAN LiDAR ToF Distance Sensor ==
72 +== 1.1 ​What is LoRaWAN Soil pH Sensor ==
16 16  
17 17  (((
18 -
75 +The Dragino LSPH01 is a (% style="color:#4f81bd" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the soil PH and soil temperature, so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
76 +)))
19 19  
20 -The Dragino LLDS12 is a (% style="color:blue" %)**LoRaWAN LiDAR ToF (Time of Flight) Distance Sensor**(%%) for Internet of Things solution. It is capable to measure the distance to an object as close as 10 centimeters (+/- 5cm up to 6m) and as far as 12 meters (+/-1% starting at 6m)!. The LiDAR probe uses laser induction technology for distance measurement.
78 +(((
79 +LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect soil's** (% style="color:#4f81bd" %)pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
80 +)))
21 21  
22 -The LLDS12 can be applied to scenarios such as horizontal distance measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, etc.
82 +(((
83 +The LoRa wireless technology used in LSPH01 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.
84 +)))
23 23  
24 -It detects the distance between the measured object and the sensor, and uploads the value via wireless to LoRaWAN IoT Server.
86 +(((
87 +LSPH01 is powered by (% style="color:#4f81bd" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
88 +)))
25 25  
26 -The LoRa wireless technology used in LLDS12 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.
27 -
28 -LLDS12 is powered by (% style="color:blue" %)**8500mAh Li-SOCI2 battery**(%%), it is designed for long term use up to 5 years.
29 -
30 -Each LLDS12 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.
90 +(((
91 +Each LSPH01 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.
31 31  )))
32 32  
33 33  
34 -[[image:1654826306458-414.png]]
95 +[[image:1654592435432-887.png]]
35 35  
36 36  
37 37  
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39 39  
40 40  * LoRaWAN 1.0.3 Class A
41 41  * Ultra-low power consumption
42 -* Laser technology for distance detection
43 -* Operating Range - 0.1m~~12m①
44 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
103 +* Monitor soil pH with temperature compensation.
104 +* Monitor soil temperature
45 45  * Monitor Battery Level
106 +* Support pH calibration by end user
46 46  * Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/IN865
47 47  * AT Commands to change parameters
48 48  * Uplink on periodically
49 49  * Downlink to change configure
111 +* IP66 Waterproof Enclosure
112 +* IP68 rate for the Sensor Probe
50 50  * 8500mAh Battery for long term use
51 51  
52 52  
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53 53  == 1.3 Probe Specification ==
54 54  
55 55  
56 -* Storage temperature ：-20℃~~75℃
57 -* Operating temperature - -20℃~~60℃
58 -* Operating Range - 0.1m~~12m①
59 -* Accuracy - ±5cm@(0.1-6m), ±1%@(6m-12m)
60 -* Distance resolution - 5mm
61 -* Ambient light immunity - 70klux
62 -* Enclosure rating - IP65
63 -* Light source - LED
64 -* Central wavelength - 850nm
65 -* FOV - 3.6°
66 -* Material of enclosure - ABS+PC
67 -* Wire length - 25cm
119 +(% style="color:#4f81bd" %)**Soil pH:**
68 68  
121 +* Range: 3 ~~ 10 pH
122 +* Resolution: 0.01 pH
123 +* Accuracy: ±2% under (0~~50 ℃, Accuracy will poor under 0 due to frozen)
124 +* Temperature Compensation Range: 0 ~~ 50℃
125 +* IP68 Protection
126 +* Length: 3.5 meters
69 69  
70 -(% class="wikigeneratedid" %)
71 -== 1.4 Probe Dimension ==
128 +(% style="color:#4f81bd" %)**Soil Temperature:**
72 72  
130 +* Range -40℃～85℃
131 +* Resolution: 0.1℃
132 +* Accuracy: <±0.5℃(-10℃～40℃)，<±0.8℃ (others)
133 +* IP68 Protection
134 +* Length: 3.5 meters
73 73  
74 -[[image:1654827224480-952.png]]
75 75  
76 -
77 -
78 -
79 79  == 1.4 ​Applications ==
80 80  
81 81  * Smart Agriculture
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96 96  )))
97 97  
98 98  (((
99 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H5.UseATCommand"]]to set the keys in the LSPH01.
157 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>path:#H5.UseATCommand]]to set the keys in the LSPH01.
100 100  )))
101 101  
102 102  
... ... @@ -182,17 +182,19 @@
182 182  )))
183 183  
184 184  (% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
185 -|=(% style="width: 62.5px;" %)(((
186 -**Size (bytes)**
187 -)))|=(% style="width: 62.5px;" %)**2**|=(% style="width: 62.5px;" %)**2**|=**2**|=**2**|=**1**|=**1**|=**1**
188 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
189 -[[Temperature>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
243 +|(((
244 +**Size**
190 190  
191 -[[(Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
192 -)))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
193 -[[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
246 +**(bytes)**
247 +)))|**2**|**2**|**2**|**2**|**1**|**1**|**1**
248 +|**Value**|[[BAT>>path:#H2.3.1BatteryInfo]]|(((
249 +[[Temperature>>path:#H2.3.2DS18B20Temperaturesensor]]
250 +
251 +[[(Optional)>>path:#H2.3.2DS18B20Temperaturesensor]]
252 +)))|[[Soil pH>>path:#H2.3.3SoilpH]]|[[Soil Temperature>>path:#H2.3.4SoilTemperature]]|(((
253 +[[Digital Interrupt (Optional)>>path:#H2.3.5InterruptPin]]
194 194  )))|Reserve|(((
195 -[[Message Type>>||anchor="H2.3.6MessageType"]]
255 +[[Message Type>>path:#H2.3.6MessageType]]
196 196  )))
197 197  
198 198  [[image:1654592721645-318.png]]
... ... @@ -248,7 +248,7 @@
248 248  
249 249  === 2.3.5 Interrupt Pin ===
250 250  
251 -This data field shows if this packet is generated by interrupt or not. [[Click here>>||anchor="H3.2SetInterruptMode"]] for the hardware and software set up.
311 +This data field shows if this packet is generated by interrupt or not. [[Click here>>path:#H3.2SetInterruptMode]] for the hardware and software set up.
252 252  
253 253  
254 254  **Example:**
... ... @@ -270,12 +270,14 @@
270 270  )))
271 271  
272 272  
273 -(% border="1" cellspacing="10" style="background-color:#ffffcc; width:499px" %)
274 -|=(% style="width: 160px;" %)**Message Type Code**|=(% style="width: 163px;" %)**Description**|=(% style="width: 173px;" %)**Payload**
275 -|(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
276 -|(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
277 -|(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
333 +(% border="1" cellspacing="10" style="background-color:#ffffcc; width:510px" %)
334 +|=**Message Type Code**|=**Description**|=**Payload**
335 +|0x01|Normal Uplink|[[Normal Uplink Payload>>path:#H2.3200BUplinkPayload]]
336 +|0x02|Reply configures info|[[Configure Info Payload>>path:#H3.4GetFirmwareVersionInfo]]
337 +|0x03|Reply Calibration Info|[[Calibration Payload>>path:#H2.7Calibration]]
278 278  
339 +
340 +
279 279  === 2.3.7 Decode payload in The Things Network ===
280 280  
281 281  While using TTN network, you can add the payload format to decode the payload.
... ... @@ -295,7 +295,7 @@
295 295  
296 296  == 2.4 Uplink Interval ==
297 297  
298 -The LSPH01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>doc:Main.End Device AT Commands and Downlink Command.WebHome||anchor="H4.1ChangeUplinkInterval"]]
360 +The LSPH01 by default uplink the sensor data every 20 minutes. User can change this interval by AT Command or LoRaWAN Downlink Command. See this link: [[Change Uplink Interval>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/#H4.1ChangeUplinkInterval]]
299 299  
300 300  
301 301  
... ... @@ -459,9 +459,11 @@
459 459  (% style="color:#037691" %)**Calibration Payload**
460 460  
461 461  (% border="1" cellspacing="10" style="background-color:#ffffcc; color:green; width:510px" %)
462 -|=(% style="width: 62.5px;" %)(((
463 -**Size (bytes)**
464 -)))|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**1**|=(% style="width: 89px;" %)**7**|=(% style="width: 89px;" %)**1**
524 +|(((
525 +**Size**
526 +
527 +**(bytes)**
528 +)))|**1**|**1**|**1**|**7**|**1**
465 465  |**Value**|(((
466 466  PH4
467 467  
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471 471  
472 472  Calibrate value
473 473  )))|Reserve|(((
474 -[[Message Type>>||anchor="H2.3.6MessageType"]]
538 +[[Message Type>>path:#H2.3.6MessageType]]
475 475  
476 476  Always 0x03
477 477  )))
... ... @@ -484,6 +484,8 @@
484 484  * Reply to the confirmation package: 14 01
485 485  * Reply to non-confirmed packet: 14 00
486 486  
551 +
552 +
487 487  == 2.8 Frequency Plans ==
488 488  
489 489  (((
... ... @@ -568,6 +568,9 @@
568 568  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
569 569  * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
570 570  
637 +
638 +
639 +
571 571  === 2.8.3 CN470-510 (CN470) ===
572 572  
573 573  (((
... ... @@ -677,6 +677,7 @@
677 677  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
678 678  * Use the Join successful sub-band if the server doesn’t include sub-band info in the OTAA Join Accept message ( TTN v2 doesn't include)
679 679  
749 +
680 680  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
681 681  
682 682  (((
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900 900  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
901 901  * Blink once when device transmit a packet.
902 902  
973 +
903 903  == 2.10 ​Firmware Change Log ==
904 904  
905 905  
... ... @@ -919,7 +919,7 @@
919 919  )))
920 920  
921 921  * (((
922 -AT Command Connection: See [[FAQ>>||anchor="H6.FAQ"]].
993 +AT Command Connection: See [[FAQ>>path:#H6.FAQ]].
923 923  )))
924 924  * (((
925 925  LoRaWAN Downlink instruction for different platforms: [[IoT LoRaWAN Server>>path:/xwiki/bin/view/Main/]]
... ... @@ -972,27 +972,16 @@
972 972  
973 973  
974 974  
975 -(((
976 976  (% style="color:#037691" %)**Downlink Command: 0x01**
977 -)))
978 978  
979 -(((
980 980  Format: Command Code (0x01) followed by 3 bytes time value.
981 -)))
982 982  
983 -(((
984 984  If the downlink payload=0100003C, it means set the END Node’s Transmit Interval to 0x00003C=60(S), while type code is 01.
985 -)))
986 986  
987 -* (((
988 -Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
989 -)))
990 -* (((
991 -Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
1052 +* Example 1: Downlink Payload: 0100001E ~/~/ Set Transmit Interval (TDC) = 30 seconds
1053 +* Example 2: Downlink Payload: 0100003C ~/~/ Set Transmit Interval (TDC) = 60 seconds
992 992  
993 993  
994 -
995 -)))
996 996  
997 997  == 3.2 Set Interrupt Mode ==
998 998  
... ... @@ -1003,34 +1003,18 @@
1003 1003  [[image:image-20220607171716-9.png]]
1004 1004  
1005 1005  
1006 -(((
1007 1007  (% style="color:#037691" %)**Downlink Command: 0x06**
1008 -)))
1009 1009  
1010 -(((
1011 1011  Format: Command Code (0x06) followed by 3 bytes.
1012 -)))
1013 1013  
1014 -(((
1015 1015  This means that the interrupt mode of the end node is set to 0x000003=3 (rising edge trigger), and the type code is 06.
1016 -)))
1017 1017  
1018 -* (((
1019 -Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1020 -)))
1021 -* (((
1022 -Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1023 -)))
1072 +* Example 1: Downlink Payload: 06000000 ~/~/ Turn off interrupt mode
1073 +* Example 2: Downlink Payload: 06000003 ~/~/ Set the interrupt mode to rising edge trigger
1024 1024  
1025 -(((
1026 -
1027 -)))
1028 -
1029 -
1030 -
1031 1031  == 3.3 Calibrate Sensor ==
1032 1032  
1033 -Detail See [[Calibration Guide>>||anchor="H2.7Calibration"]] for the user of 0x13 and 0x14 downlink commands
1077 +Detail See [[Calibration Guide>>path:#H2.7Calibration]] for the user of 0x13 and 0x14 downlink commands
1034 1034  
1035 1035  
1036 1036  
... ... @@ -1062,7 +1062,7 @@
1062 1062  
1063 1063  Version
1064 1064  )))|Sensor Type|Reserve|(((
1065 -[[Message Type>>||anchor="H2.3.6MessageType"]]
1109 +[[Message Type>>path:#H2.3.6MessageType]]
1066 1066  Always 0x02
1067 1067  )))
1068 1068  
... ... @@ -1202,13 +1202,9 @@
1202 1202  
1203 1203  === ​4.3.2 Replace the battery ===
1204 1204  
1205 -(((
1206 1206  You can change the battery in the LSPH01.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board.
1207 -)))
1208 1208  
1209 -(((
1210 1210  The default battery pack of LSPH01 includes a ER26500 plus super capacitor. If user can’t find this pack locally, they can find ER26500 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)
1211 -)))
1212 1212  
1213 1213  
1214 1214  
... ... @@ -1229,24 +1229,24 @@
1229 1229  (% style="background-color:yellow" %)** USB TTL RXD  <~-~-~-~-> UART_TXD**
1230 1230  
1231 1231  
1232 -(((
1233 1233  In the PC, you need to set the serial baud rate to (% style="color:green" %)**9600**(%%) to access the serial console for LSPH01. LSPH01 will output system info once power on as below:
1234 -)))
1235 1235  
1236 1236  
1237 1237   [[image:1654593712276-618.png]]
1238 1238  
1239 -Valid AT Command please check [[Configure Device>>||anchor="H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink"]].
1277 +Valid AT Command please check [[Configure Device>>path:#H3.ConfigureLSPH01viaATCommandorLoRaWANDownlink]].
1240 1240  
1241 1241  
1280 +
1242 1242  = 6. FAQ =
1243 1243  
1244 1244  == 6.1 How to change the LoRa Frequency Bands/Region ==
1245 1245  
1246 -You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]].
1285 +You can follow the instructions for [[how to upgrade image>>path:#H2.10200BFirmwareChangeLog]].
1247 1247  When downloading the images, choose the required image file for download. ​
1248 1248  
1249 1249  
1289 +
1250 1250  = 7. Trouble Shooting =
1251 1251  
1252 1252  == 7.1 AT Commands input doesn’t work ==
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