Last modified by Bei Jinggeng on 2024/08/02 17:52
<
From version < 99.22 >
edited by Xiaoling
on 2023/05/31 11:49
To version < 100.1 >
edited by Bei Jinggeng
on 2024/02/20 16:31
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
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1 -XWiki.Xiaoling
1 +XWiki.Bei
Content
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5 5  
6 6  
7 7  
8 +
9 +
10 +
11 +
8 8  **Table of Contents:**
9 9  
10 10  {{toc/}}
... ... @@ -20,11 +20,11 @@
20 20  
21 21  
22 22  (((
23 -The Dragino LSPH01 is a (% style="color:blue" %)**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.
27 +The Dragino LSPH01 is a (% style="color:blue" %)**LoRaWAN Soil pH Sensor**(%%) for IoT of Agriculture. It is designed to measure the (% style="color:blue" %)**soil PH and soil temperature**(%%), so to send to the platform to analyze the soil acid or alkali level. The probe is IP68 waterproof.
24 24  )))
25 25  
26 26  (((
27 -LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect (% style="color:blue" %)**soil's pH (%%)**with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
31 +LSPH01 probe is made by Solid AgCl reference electrode and Pure metal pH sensitive electrode. It can detect (% style="color:blue" %)**soil's pH **(%%)with high accuracy and stable value. The LSPH01 probe can be buried into soil for long time use.
28 28  )))
29 29  
30 30  (((
... ... @@ -60,7 +60,6 @@
60 60  * IP68 rate for the Sensor Probe
61 61  * 8500mAh Battery for long term use
62 62  
63 -
64 64  == 1.3 Probe Specification ==
65 65  
66 66  
... ... @@ -81,13 +81,11 @@
81 81  * IP68 Protection
82 82  * Length: 3.5 meters
83 83  
84 -
85 85  == 1.4 ​Applications ==
86 86  
87 87  
88 88  * Smart Agriculture
89 89  
90 -
91 91  == 1.5 Pin mapping and power on ==
92 92  
93 93  
... ... @@ -198,11 +198,11 @@
198 198  Normal uplink payload:
199 199  )))
200 200  
201 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:470px" %)
202 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
202 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:470px" %)
203 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
203 203  **Size(bytes)**
204 -)))|=(% style="width: 30px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)**2**|=(% style="width: 70px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 80px;background-color:#D9E2F3;color:#0070C0" %)**1**
205 -|(% style="width:62.5px" %)**Value**|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
205 +)))|=(% style="width: 30px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 60px;background-color:#4F81BD;color:white" %)**2**|=(% style="width: 70px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 80px;background-color:#4F81BD;color:white" %)**1**
206 +|(% style="width:62.5px" %)Value|(% style="width:62.5px" %)[[BAT>>||anchor="H2.3.1BatteryInfo"]]|(% style="width:62.5px" %)(((
206 206  [[Temperature (Optional)>>||anchor="H2.3.2DS18B20Temperaturesensor"]]
207 207  )))|[[Soil pH>>||anchor="H2.3.3SoilpH"]]|[[Soil Temperature>>||anchor="H2.3.4SoilTemperature"]]|(((
208 208  [[Digital Interrupt (Optional)>>||anchor="H2.3.5InterruptPin"]]
... ... @@ -284,13 +284,12 @@
284 284  )))
285 285  
286 286  
287 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:496px" %)
288 -|=(% style="width: 160px;background-color:#D9E2F3;color:#0070C0" %)**Message Type Code**|=(% style="width: 163px;background-color:#D9E2F3;color:#0070C0" %)**Description**|=(% style="width: 173px;background-color:#D9E2F3;color:#0070C0" %)**Payload**
288 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:496px" %)
289 +|=(% style="width: 160px;background-color:#4F81BD;color:white" %)**Message Type Code**|=(% style="width: 163px;background-color:#4F81BD;color:white" %)**Description**|=(% style="width: 173px;background-color:#4F81BD;color:white" %)**Payload**
289 289  |(% style="width:160px" %)0x01|(% style="width:163px" %)Normal Uplink|(% style="width:173px" %)[[Normal Uplink Payload>>||anchor="H2.3200BUplinkPayload"]]
290 290  |(% style="width:160px" %)0x02|(% style="width:163px" %)Reply configures info|(% style="width:173px" %)[[Configure Info Payload>>||anchor="H3.4GetFirmwareVersionInfo"]]
291 291  |(% style="width:160px" %)0x03|(% style="width:163px" %)Reply Calibration Info|(% style="width:173px" %)[[Calibration Payload>>||anchor="H2.7Calibration"]]
292 292  
293 -
294 294  === 2.3.7 Decode payload in The Things Network ===
295 295  
296 296  
... ... @@ -382,10 +382,8 @@
382 382  
383 383  
384 384  (((
385 -(((
386 386  If the LSPH01 has more than 7 days not use or just clean the pH probe. User should put the probe inside pure water for more than 24 hours for activation. If no put in water, user need to put inside soil for more than 24 hours to ensure the measurement accuracy. 
387 387  )))
388 -)))
389 389  
390 390  
391 391  === 2.6.2 Measurement ===
... ... @@ -392,13 +392,11 @@
392 392  
393 393  
394 394  (((
395 -(% style="color:#4f81bd" %)**Measurement the soil surface:**
393 +(% style="color:blue" %)**Measurement the soil surface:**
396 396  )))
397 397  
398 398  (((
399 399  [[image:1654592946732-634.png]]
400 -
401 -
402 402  )))
403 403  
404 404  (((
... ... @@ -422,7 +422,7 @@
422 422  )))
423 423  
424 424  (((
425 -(% style="color:#4f81bd" %)**Measurement inside soil:**
421 +(% style="color:blue" %)**Measurement inside soil:**
426 426  )))
427 427  
428 428  (((
... ... @@ -437,24 +437,28 @@
437 437  === 2.6.3 Maintain Probe ===
438 438  
439 439  
440 -1. (((
441 -pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
436 +(((
437 +~1. pH probe electrode is fragile and no strong. User must avoid strong force or hitting it.
442 442  )))
443 -1. (((
444 -After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
439 +
440 +(((
441 +2. After long time use (3~~ 6  months). The probe electrode needs to be clean; user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks like new, user can use pure water to wash it.
445 445  )))
446 -1. (((
447 -Probe reference electrode is also no strong, need to avoid strong force or hitting.
443 +
444 +(((
445 +3. Probe reference electrode is also no strong, need to avoid strong force or hitting.
448 448  )))
449 -1. (((
450 -User should keep reference electrode wet while not use.
447 +
448 +(((
449 +4. User should keep reference electrode wet while not use.
451 451  )))
452 -1. (((
453 -Avoid the probes to touch oily matter. Which will cause issue in accuracy.
451 +
452 +(((
453 +5. Avoid the probes to touch oily matter. Which will cause issue in accuracy.
454 454  )))
455 -1. (((
456 -The probe is IP68 can be put in water.
457 457  
456 +(((
457 +6. The probe is IP68 can be put in water.
458 458  
459 459  
460 460  )))
... ... @@ -462,15 +462,26 @@
462 462  == 2.7 Calibration ==
463 463  
464 464  
465 +(% style="color:blue" %)**Step1 :**(%%)** Clean probe**
466 +
467 +user can use high grade sandpaper to polish it or put in 5% hydrochloric acid for several minutes. After the metal probe looks new, users can clean it to remove hydrochloric acid or other liquids from the surface.
468 +
469 +(% style="color:blue" %)**Step2 :**(%%)** Immerse the sensor in ph buffer solution to make the sensor values stable**
470 +
465 465  (((
466 466  User can do calibration for the probe. It is limited to use below pH buffer solution to calibrate: 4.00, 6.86, 9.18. When calibration, user need to clean the electrode and put the probe in the pH buffer solution to wait the value stable ( a new clean electrode might need max 24 hours to be stable).
473 +
474 +(% style="color:red" %)**Note：Only one ph buffer with one of the ph values needs to be calibrated during calibration. Wait for the sensor measurement value to be stable, it does not need to be the same as the ph marked by the ph buffer**
475 +
476 +
477 +(% style="color:blue" %)**Step3 :**(%%)** The numerically stable sensors were calibrated using commands**
467 467  )))
468 468  
469 469  (((
470 -After stable, user can use below command to calibrate.
481 + User can use below command to calibrate.
471 471  
472 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:520px" %)
473 -|(% style="background-color:#d9e2f3; color:#0070c0; width:120px" %)**pH buffer solution**|(% style="background-color:#d9e2f3; color:#0070c0; width:150px" %)**AT Command to calibrate**|(% style="background-color:#d9e2f3; color:#0070c0; width:150px" %)**Downlink Command**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**Read Cal Value**
483 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
484 +|(% style="background-color:#4f81bd; color:white; width:120px" %)**pH buffer solution**|(% style="background-color:#4f81bd; color:white; width:150px" %)**AT Command to calibrate**|(% style="background-color:#4f81bd; color:white; width:150px" %)**Downlink Command**|(% style="background-color:#4f81bd; color:white; width:100px" %)**Read Cal Value**
474 474  |(% style="width:149px" %)4.00|(% style="width:197px" %)AT+PHCAL=4|(% style="width:206px" %)(((
475 475  0x13 04
476 476  Reply with Calibrate payload
... ... @@ -495,13 +495,25 @@
495 495  )))
496 496  )))
497 497  
509 +To use the AT COMMAND, refer to this link:
498 498  
511 +* AT Command via Bluetooth Connection (**Recommended**): [[BLE Configure Instruction>>url:http://wiki.dragino.com/xwiki/bin/view/Main/BLE%20Bluetooth%20Remote%20Configure/]].
512 +
513 +* AT Command via UART Connection : See [[UART Connection>>url:http://wiki.dragino.com/xwiki/bin/view/Main/UART%20Access%20for%20LoRa%20ST%20v4%20base%20model/#H2.3UARTConnectionforSN50v3basemotherboard]].
514 +
515 +To use Downlink, take TTN as an example, please refer to this link:
516 +
517 +* LoRaWAN Downlink.  Instruction for different platforms: See [[IoT LoRaWAN Server>>url:http://wiki.dragino.com/xwiki/bin/view/Main/]] section.
518 +
519 +When the command is successfully used, the node sends a uplink.
520 +This is the payload for uplink
521 +
499 499  (% style="color:#037691" %)**Calibration Payload**
500 500  
501 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
502 -|=(% style="width: 60px;background-color:#D9E2F3;color:#0070C0" %)(((
524 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
525 +|=(% style="width: 60px;background-color:#4F81BD;color:white" %)(((
503 503  **Size(bytes)**
504 -)))|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 100px;background-color:#D9E2F3;color:#0070C0" %)**1**|=(% style="width: 50px;background-color:#D9E2F3;color:#0070C0" %)**7**|=(% style="width: 90px;background-color:#D9E2F3;color:#0070C0" %)**1**
527 +)))|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 100px;background-color:#4F81BD;color:white" %)**1**|=(% style="width: 50px;background-color:#4F81BD;color:white" %)**7**|=(% style="width: 90px;background-color:#4F81BD;color:white" %)**1**
505 505  |Value|(((
506 506  PH4 Calibrate value
507 507  )))|PH6.86 Calibrate value|(((
... ... @@ -514,13 +514,19 @@
514 514  User can also send 0x14 downlink command to poll the current calibration payload.
515 515  
516 516  (% border="1" cellspacing="5" style="background-color:#f2f2f2; width:480px" %)
517 -|=(% style="width: 183px; background-color:#D9E2F3;color:#0070C0" %)**Downlink Control Type**|=(% style="width: 55px; background-color:#D9E2F3;color:#0070C0" %)FPort|=(% style="width: 93px; background-color:#D9E2F3;color:#0070C0" %)**Type Code**|=(% style="width: 146px; background-color: rgb(217, 226, 243); color: rgb(0, 112, 192);" %)**Downlink payload size(bytes)**
540 +|=(% style="width: 183px; background-color:#4F81BD;color:white" %)**Downlink Control Type**|=(% style="width: 55px; background-color:#4F81BD;color:white" %)FPort|=(% style="width: 93px; background-color:#4F81BD;color:white" %)**Type Code**|=(% style="width: 146px; background-color:#4F81BD;color:white" %)**Downlink payload size(bytes)**
518 518  |(% style="width:183px" %)Get Calibration Version Info|(% style="width:55px" %)Any|(% style="width:93px" %)14|(% style="width:146px" %)2
519 519  
520 520  * Reply to the confirmation package: 14 01
544 +
521 521  * Reply to non-confirmed packet: 14 00
522 522  
547 +(% style="color:blue" %)**Step4：**(%%)**After the calibration is completed, its measurement results in this ph buffer solution should be consistent with the numerical value of the command used in the calibration.**
523 523  
549 +Examples:
550 +After using the command AT+PH=9 in 9.18ph buffer
551 +The readout returned by the sensor in 9.18ph buffer should be pH=9
552 +
524 524  == 2.8 Frequency Plans ==
525 525  
526 526  
... ... @@ -605,9 +605,9 @@
605 605  )))
606 606  
607 607  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
637 +
608 608  * 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)
609 609  
610 -
611 611  === 2.8.3 CN470-510 (CN470) ===
612 612  
613 613  
... ... @@ -716,9 +716,9 @@
716 716  )))
717 717  
718 718  * Check what sub-band the LoRaWAN server ask from the OTAA Join Accept message and switch to that sub-band
748 +
719 719  * 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)
720 720  
721 -
722 722  === 2.8.5 AS920-923 & AS923-925 (AS923) ===
723 723  
724 724  
... ... @@ -846,9 +846,6 @@
846 846  922.5 - SF7BW125 to SF12BW125
847 847  )))
848 848  
849 -(((
850 -
851 -)))
852 852  
853 853  (((
854 854  (% style="color:blue" %)**Uplink: (OTAA mode, channel added by JoinAccept message)**
... ... @@ -882,9 +882,6 @@
882 882  923.3 - SF7BW125 to SF12BW125
883 883  )))
884 884  
885 -(((
886 -
887 -)))
888 888  
889 889  (((
890 890  (% style="color:blue" %)**Downlink:**
... ... @@ -918,9 +918,6 @@
918 918  865.9850 - SF7BW125 to SF12BW125
919 919  )))
920 920  
921 -(((
922 -
923 -)))
924 924  
925 925  (((
926 926  (% style="color:blue" %)**Downlink:**
... ... @@ -941,9 +941,9 @@
941 941  The LSPH01 has an internal LED which is to show the status of different state.
942 942  
943 943  * The sensor is detected when the device is turned on, and it will flash 4 times quickly when it is detected.
964 +
944 944  * Blink once when device transmit a packet.
945 945  
946 -
947 947  == 2.10 ​Firmware Change Log ==
948 948  
949 949  
... ... @@ -989,9 +989,6 @@
989 989  They are same for all Dragino Device which support DLWS-005 LoRaWAN Stack. These commands can be found on the wiki: [[End Device AT Commands and Downlink Command>>path:/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]
990 990  )))
991 991  
992 -(((
993 -
994 -)))
995 995  
996 996  * (((
997 997  (% style="color:#4f81bd" %)** Commands special design for LSPH01**
... ... @@ -1009,8 +1009,8 @@
1009 1009  
1010 1010  (% style="color:#037691" %)**AT Command: AT+TDC**
1011 1011  
1012 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1013 -|=(% style="width: 156px;background-color:#D9E2F3;color:#0070C0" %)**Command Example**|=(% style="width: 137px;background-color:#D9E2F3;color:#0070C0" %)**Function**|=(% style="background-color:#D9E2F3;color:#0070C0" %)**Response**
1029 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1030 +|=(% style="width: 156px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 137px;background-color:#4F81BD;color:white" %)**Function**|=(% style="background-color:#4F81BD;color:white" %)**Response**
1014 1014  |(% style="width:156px" %)AT+TDC=?|(% style="width:137px" %)Show current transmit Interval|(((
1015 1015  30000
1016 1016  OK
... ... @@ -1050,8 +1050,8 @@
1050 1050  
1051 1051  (% style="color:#037691" %)**AT Command: AT+INTMOD**
1052 1052  
1053 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
1054 -|=(% 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**
1070 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1071 +|=(% style="width: 155px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 197px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 158px;background-color:#4F81BD;color:white" %)**Response**
1055 1055  |(% style="width:154px" %)AT+INTMOD=?|(% style="width:196px" %)Show current interrupt mode|(% style="width:157px" %)(((
1056 1056  0
1057 1057  OK
... ... @@ -1082,13 +1082,11 @@
1082 1082  )))
1083 1083  * (((
1084 1084  Example 2: Downlink Payload: 06000003  ~/~/  Set the interrupt mode to rising edge trigger
1085 -)))
1086 1086  
1087 -(((
1103 +
1088 1088  
1089 1089  )))
1090 1090  
1091 -
1092 1092  == 3.3 Calibrate Sensor ==
1093 1093  
1094 1094  
... ... @@ -1102,11 +1102,12 @@
1102 1102  
1103 1103  (% style="color:#037691" %)**Downlink Command: 0x26**
1104 1104  
1105 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:500px" %)
1106 -|(% style="background-color:#d9e2f3; color:#0070c0; width:193px" %)**Downlink Control Type**|(% style="background-color:#d9e2f3; color:#0070c0; width:57px" %)**FPort**|(% style="background-color:#d9e2f3; color:#0070c0; width:91px" %)**Type Code**|(% style="background-color:#d9e2f3; color:#0070c0; width:159px" %)**Downlink payload size(bytes)**
1120 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:500px" %)
1121 +|(% style="background-color:#4f81bd; color:white; width:193px" %)**Downlink Control Type**|(% style="background-color:#4f81bd; color:white; width:57px" %)**FPort**|(% style="background-color:#4f81bd; color:white; width:91px" %)**Type Code**|(% style="background-color:#4f81bd; color:white; width:159px" %)**Downlink payload size(bytes)**
1107 1107  |(% style="width:193px" %)Get Firmware Version Info|(% style="width:57px" %)Any|(% style="width:91px" %)26|(% style="width:149px" %)2
1108 1108  
1109 1109  * Reply to the confirmation package: 26 01
1125 +
1110 1110  * Reply to non-confirmed packet: 26 00
1111 1111  
1112 1112  Device will send an uplink after got this downlink command. With below payload:
... ... @@ -1113,8 +1113,8 @@
1113 1113  
1114 1114  Configures info payload:
1115 1115  
1116 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1117 -|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**Size(bytes)**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:70px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:60px" %)**1**|(% style="background-color:#d9e2f3; color:#0070c0; width:50px" %)**5**|(% style="background-color:#d9e2f3; color:#0070c0; width:100px" %)**1**
1132 +(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1133 +|(% style="background-color:#4f81bd; color:white; width:50px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**1**|(% style="background-color:#4f81bd; color:white; width:60px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**5**|(% style="background-color:#4f81bd; color:white; width:90px" %)**1**
1118 1118  |Value|Software Type|(((
1119 1119  Frequency
1120 1120  Band
... ... @@ -1244,7 +1244,6 @@
1244 1244  * (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
1245 1245  * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
1246 1246  
1247 -
1248 1248  = 9. ​Packing Info =
1249 1249  
1250 1250  
... ... @@ -1259,7 +1259,6 @@
1259 1259  * Package Size / pcs : cm
1260 1260  * Weight / pcs : g
1261 1261  
1262 -
1263 1263  = 10. ​Support =
1264 1264  
1265 1265  

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