Last modified by Mengting Qiu on 2024/04/30 14:27
<
From version < 119.17 >
edited by Xiaoling
on 2022/06/09 18:18
To version < 119.26 >
edited by Xiaoling
on 2022/06/09 18:27
>
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -77,7 +77,6 @@
77 77  * Tri-color LED to indicate working status
78 78  * Datalog feature
79 79  
80 -
81 81  (% _mstvisible="1" %)
82 82  == (% _msthash="323570" _msttexthash="297635" _mstvisible="3" %)1.3 Specification(%%) ==
83 83  
... ... @@ -365,7 +365,6 @@
365 365  * The 8(% _msthash="734578" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) ~~ 11(% _msthash="734579" _msttexthash="21372" _mstvisible="4" %)^^th^^(%%) byte: the value for external sensor value. The definition is based on external sensor type. (If EXT=0, there won’t be these four bytes.)
366 366  
367 367  
368 -
369 369  (% _mstvisible="1" %)
370 370  === (% _msthash="360269" _msttexthash="333762" _mstvisible="3" %)2.4.1 Decoder in TTN V3(%%) ===
371 371  
... ... @@ -403,7 +403,6 @@
403 403  * Battery Voltage =0xCBF6&0x3FFF=0x0BA4=2980mV
404 404  
405 405  
406 -
407 407  (% _mstvisible="1" %)
408 408  === (% _msthash="600769" _msttexthash="565838" _mstvisible="3" %)2.4.3 Built-in Temperature(%%) ===
409 409  
... ... @@ -420,7 +420,6 @@
420 420  * Temperature:  (0xF5C6-65536)/100=-26.18℃
421 421  
422 422  
423 -
424 424  (% _mstvisible="1" %)
425 425  === (% _msthash="475891" _msttexthash="445120" _mstvisible="3" %)2.4.4 Built-in Humidity(%%) ===
426 426  
... ... @@ -430,7 +430,6 @@
430 430  (% _mstvisible="1" %)
431 431  * Humidity:    0x025C/10=60.4%
432 432  
433 -
434 434  (% _mstvisible="1" %)
435 435  === (% _msthash="116532" _msttexthash="87958" _mstvisible="3" %)2.4.5 Ext #(%%) ===
436 436  
... ... @@ -557,7 +557,6 @@
557 557  )))
558 558  )))
559 559  
560 -
561 561  (% _mstvisible="1" %)
562 562  * (% _msthash="2539669" _msttexthash="857922" _mstvisible="3" %)**Battery status & **(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Built-in Humidity**
563 563  
... ... @@ -588,7 +588,6 @@
588 588  
589 589  )))
590 590  
591 -
592 592  (% _mstvisible="1" %)
593 593  * (% _msthash="504956" _msttexthash="245037" _mstvisible="4" %)**Status & Ext Byte**
594 594  
... ... @@ -600,7 +600,6 @@
600 600  * Sync time OK: 1: Set time ok，0: N/A. After time SYNC request is sent, LHT65N will set this bit to 0 until got the time stamp from the application server.
601 601  * Unix Time Request:1: Request server downlink Unix time, 0 : N/A. In this mode, LHT65N will set this bit to 1 every 10 days to request a time SYNC. (AT+SYNCMOD to set this)
602 602  
603 -
604 604  (% _mstvisible="1" %)
605 605  == (% _msthash="487097" _msttexthash="454818" _mstvisible="3" %)2.5 Show data on Datacake(%%) ==
606 606  
... ... @@ -663,7 +663,6 @@
663 663  1. IoT Server sends a downlink LoRaWAN command to [[poll the value>>||anchor="H2.6.4Pollsensorvalue"]] for specify time range.
664 664  1. Set [[PNACKMD=1>>||anchor="H4.13AutoSendNone-ACKmessages"]], LHT65N will wait for ACK for every uplink, when there is no LoRaWAN network, LHT65N will store the sensor data, and it will send all messages after network recover.
665 665  
666 -
667 667  (% _mstvisible="1" %)
668 668  === (% _msthash="369915" _msttexthash="342797" _mstvisible="3" %)2.6.2 Unix TimeStamp(%%) ===
669 669  
... ... @@ -917,7 +917,6 @@
917 917  )))
918 918  )))
919 919  
920 -
921 921  (% _mstvisible="1" %)
922 922  (% _msthash="315268" _msttexthash="390390" _mstvisible="3" %)**Poll message flag & Ext**
923 923  
... ... @@ -1144,7 +1144,6 @@
1144 1144  
1145 1145  
1146 1146  
1147 -
1148 1148  (% _mstvisible="1" style="text-align: left;" %)
1149 1149  == (% _msthash="112034" _msttexthash="277511" _mstvisible="3" %)2.9 installation(%%) ==
1150 1150  
... ... @@ -1174,7 +1174,6 @@
1174 1174  * Working voltage 2.35v ~~ 5v
1175 1175  
1176 1176  
1177 -
1178 1178  (% _mstvisible="1" style="text-align: left;" %)
1179 1179  = (% _msthash="1940107" _msttexthash="1714063" _mstvisible="3" %)4. Configure LHT65N via AT command or LoRaWAN downlink(%%) =
1180 1180  
... ... @@ -1266,7 +1266,7 @@
1266 1266  Feature: Change LoRaWAN End Node Transmit Interval.
1267 1267  
1268 1268  (% _mstvisible="1" style="text-align: left;" %)
1269 -(% _msthash="315356" _msttexthash="241696" _mstvisible="3" %)**AT Command: AT+TDC**
1257 +(% style="color:#4f81bd" %)**AT Command: AT+TDC**
1270 1270  
1271 1271  (% _mstvisible="1" %)
1272 1272  [[image:image-20220523150701-2.png||_mstalt="427453" _mstvisible="3"]]
... ... @@ -1277,7 +1277,7 @@
1277 1277  
1278 1278  
1279 1279  (% _mstvisible="2" style="text-align: left;" %)
1280 -(% _msthash="506255" _msttexthash="381992" _mstvisible="4" %)**Downlink Command: 0x01**
1268 +(% style="color:#4f81bd" %)**Downlink Command: 0x01**
1281 1281  )))
1282 1282  
1283 1283  (% _mstvisible="1" %)
... ... @@ -1315,7 +1315,7 @@
1315 1315  Feature: Change External Sensor Mode.
1316 1316  
1317 1317  (% _mstvisible="1" style="text-align: left;" %)
1318 -(% _msthash="315358" _msttexthash="248118" _mstvisible="3" %)**AT Command: AT+EXT**
1306 +(% style="color:#4f81bd" %)**AT Command: AT+EXT**
1319 1319  
1320 1320  (% _mstvisible="1" %)
1321 1321  [[image:image-20220523150759-3.png||_mstalt="432146" _mstvisible="3"]]
... ... @@ -1326,7 +1326,7 @@
1326 1326  
1327 1327  
1328 1328  (% _mstvisible="2" style="text-align: left;" %)
1329 -(% _msthash="506258" _msttexthash="387855" _mstvisible="4" %)**Downlink Command: 0xA2**
1317 +(% style="color:#4f81bd" %)**Downlink Command: 0xA2**
1330 1330  )))
1331 1331  
1332 1332  (% _mstvisible="1" %)
... ... @@ -1376,13 +1376,13 @@
1376 1376  PID is default set to disable (0)
1377 1377  
1378 1378  (% _mstvisible="1" style="text-align: left;" %)
1379 -(% _msthash="315361" _msttexthash="137488" _mstvisible="3" %)**AT Command:**
1367 +(% style="color:#4f81bd" %)**AT Command:**
1380 1380  
1381 1381  (% _mstvisible="1" %)
1382 1382  [[image:image-20220523150928-4.png||_mstalt="431821" _mstvisible="3"]]
1383 1383  
1384 1384  (% _mstvisible="1" style="text-align: left;" %)
1385 -(% _msthash="315362" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1373 +(% style="color:#4f81bd" %)**Downlink Command:**
1386 1386  
1387 1387  (% _mstvisible="1" %)
1388 1388  * 0xA800  **~-~->** AT+PID=0
... ... @@ -1389,7 +1389,6 @@
1389 1389  * 0xA801     **~-~->** AT+PID=1
1390 1390  
1391 1391  
1392 -
1393 1393  (% _mstvisible="1" style="text-align: left;" %)
1394 1394  == (% _msthash="266344" _msttexthash="242879" _mstvisible="3" %)4.4 Set Password(%%) ==
1395 1395  
... ... @@ -1397,7 +1397,7 @@
1397 1397  Feature: Set device password, max 9 digits
1398 1398  
1399 1399  (% _mstvisible="1" style="text-align: left;" %)
1400 -(% _msthash="315364" _msttexthash="295009" _mstvisible="3" %)**AT Command: AT+PWORD**
1387 +(% style="color:#4f81bd" %)**AT Command: AT+PWORD**
1401 1401  
1402 1402  (% _mstvisible="1" %)
1403 1403  [[image:image-20220523151052-5.png||_mstalt="428623" _mstvisible="3"]]
... ... @@ -1408,7 +1408,7 @@
1408 1408  
1409 1409  
1410 1410  (% _mstvisible="2" style="text-align: left;" %)
1411 -(% _msthash="506261" _msttexthash="298038" _mstvisible="4" %)**Downlink Command:**
1398 +(% style="color:#4f81bd" %)**Downlink Command:**
1412 1412  )))
1413 1413  
1414 1414  (% _mstvisible="1" %)
... ... @@ -1427,7 +1427,7 @@
1427 1427  Feature: Quit AT Command mode, so user needs to input password again before use AT Commands.
1428 1428  
1429 1429  (% _mstvisible="1" style="text-align: left;" %)
1430 -(% _msthash="315366" _msttexthash="289120" _mstvisible="3" %)**AT Command: AT+DISAT**
1417 +(% style="color:#4f81bd" %)**AT Command: AT+DISAT**
1431 1431  
1432 1432  (% _mstvisible="1" %)
1433 1433  [[image:image-20220523151132-6.png||_mstalt="428649" _mstvisible="3"]]
... ... @@ -1434,7 +1434,7 @@
1434 1434  
1435 1435  
1436 1436  (% _mstvisible="1" style="text-align: left;" %)
1437 -(% _msthash="315367" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1424 +(% style="color:#4f81bd" %)**Downlink Command:**
1438 1438  
1439 1439  (% _msthash="315368" _msttexthash="974311" _mstvisible="1" style="text-align: left;" %)
1440 1440  No downlink command for this feature.
... ... @@ -1447,7 +1447,7 @@
1447 1447  Feature: Set device to sleep mode
1448 1448  
1449 1449  (% _mstvisible="1" style="text-align: left;" %)
1450 -(% _msthash="315370" _msttexthash="289783" _mstvisible="3" %)**AT Command: AT+SLEEP**
1437 +(% style="color:#4f81bd" %)**AT Command: AT+SLEEP**
1451 1451  
1452 1452  (% _mstvisible="1" %)
1453 1453  [[image:image-20220523151218-7.png||_mstalt="430703" _mstvisible="3"]]
... ... @@ -1454,13 +1454,12 @@
1454 1454  
1455 1455  
1456 1456  (% _mstvisible="1" %)
1457 -(% _msthash="315371" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1444 +(% style="color:#4f81bd" %)**Downlink Command:**
1458 1458  
1459 1459  (% _mstvisible="1" %)
1460 1460  * There is no downlink command to set to Sleep mode.
1461 1461  
1462 1462  
1463 -
1464 1464  (% _mstvisible="1" %)
1465 1465  == (% _msthash="336557" _msttexthash="309712" _mstvisible="3" %)4.7 Set system time(%%) ==
1466 1466  
... ... @@ -1468,7 +1468,7 @@
1468 1468  Feature: Set system time, unix format. [[See here for format detail.>>||anchor="H2.6.2UnixTimeStamp"]]
1469 1469  
1470 1470  (% _mstvisible="1" %)
1471 -(% _msthash="315373" _msttexthash="137488" _mstvisible="3" %)**AT Command:**
1457 +(% style="color:#4f81bd" %)**AT Command:**
1472 1472  
1473 1473  (% _mstvisible="1" %)
1474 1474  [[image:image-20220523151253-8.png||_mstalt="430677" _mstvisible="3"]]
... ... @@ -1475,7 +1475,7 @@
1475 1475  
1476 1476  
1477 1477  (% _mstvisible="1" %)
1478 -(% _msthash="315374" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1464 +(% style="color:#4f81bd" %)**Downlink Command:**
1479 1479  
1480 1480  (% _msthash="315375" _msttexthash="2898571" _mstvisible="1" %)
1481 1481  0x306007806000 ~/~/ Set timestamp to 0x(6007806000),Same as AT+TIMESTAMP=1611104352
... ... @@ -1499,7 +1499,7 @@
1499 1499  (% _mstvisible="1" %)
1500 1500  (((
1501 1501  (% _mstvisible="2" %)
1502 -(% _msthash="506265" _msttexthash="137488" _mstvisible="4" %)**AT Command:**
1488 +(% style="color:#4f81bd" %)**AT Command:**
1503 1503  )))
1504 1504  
1505 1505  (% _mstvisible="1" %)
... ... @@ -1507,7 +1507,7 @@
1507 1507  
1508 1508  
1509 1509  (% _mstvisible="1" %)
1510 -(% _msthash="315376" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1496 +(% style="color:#4f81bd" %)**Downlink Command:**
1511 1511  
1512 1512  (% _msthash="315377" _msttexthash="479648" _mstvisible="1" %)
1513 1513  0x28 01 ~/~/ Same As AT+SYNCMOD=1
... ... @@ -1523,7 +1523,7 @@
1523 1523  Feature: Define System time sync interval. SYNCTDC default value: 10 days.
1524 1524  
1525 1525  (% _mstvisible="1" %)
1526 -(% _msthash="315380" _msttexthash="137488" _mstvisible="3" %)**AT Command:**
1512 +(% style="color:#4f81bd" %)**AT Command:**
1527 1527  
1528 1528  (% _mstvisible="1" %)
1529 1529  [[image:image-20220523151411-10.png||_mstalt="449696" _mstvisible="3"]]
... ... @@ -1530,11 +1530,12 @@
1530 1530  
1531 1531  
1532 1532  (% _mstvisible="1" %)
1533 -(% _msthash="315381" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1519 +(% style="color:#4f81bd" %)**Downlink Command:**
1534 1534  
1535 1535  (% _msthash="315382" _msttexthash="590044" _mstvisible="1" %)
1536 1536  0x29 0A ~/~/ Same as AT+SYNCTDC=0x0A
1537 1537  
1524 +
1538 1538  (% _mstvisible="1" %)
1539 1539  == (% _msthash="927901" _msttexthash="882570" _mstvisible="3" %)4.10 Print data entries base on page.(%%) ==
1540 1540  
... ... @@ -1542,17 +1542,19 @@
1542 1542  Feature: Print the sector data from start page to stop page (max is 416 pages).
1543 1543  
1544 1544  (% _mstvisible="1" %)
1545 -(% _msthash="315384" _msttexthash="264953" _mstvisible="3" %)**AT Command: AT+PDTA**
1532 +(% style="color:#4f81bd" %)**AT Command: AT+PDTA**
1546 1546  
1547 1547  (% _mstvisible="1" %)
1548 1548  [[image:image-20220523151450-11.png||_mstalt="451035" _mstvisible="3"]]
1549 1549  
1537 +
1550 1550  (% _mstvisible="1" %)
1551 -(% _msthash="315385" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1539 +(% style="color:#4f81bd" %)**Downlink Command:**
1552 1552  
1553 1553  (% _msthash="315386" _msttexthash="799539" _mstvisible="1" %)
1554 1554  No downlink commands for feature
1555 1555  
1544 +
1556 1556  (% _mstvisible="1" %)
1557 1557  == (% _msthash="788762" _msttexthash="747149" _mstvisible="3" %)4.11 Print last few data entries.(%%) ==
1558 1558  
... ... @@ -1560,17 +1560,19 @@
1560 1560  Feature: Print the last few data entries
1561 1561  
1562 1562  (% _mstvisible="1" %)
1563 -(% _msthash="315388" _msttexthash="288522" _mstvisible="3" %)**AT Command: AT+PLDTA**
1552 +(% style="color:#4f81bd" %)**AT Command: AT+PLDTA**
1564 1564  
1565 1565  (% _mstvisible="1" %)
1566 1566  [[image:image-20220523151524-12.png||_mstalt="452101" _mstvisible="3"]]
1567 1567  
1557 +
1568 1568  (% _mstvisible="1" %)
1569 -(% _msthash="315389" _msttexthash="298038" _mstvisible="3" %)**Downlink Command:**
1559 +(% style="color:#4f81bd" %)**Downlink Command:**
1570 1570  
1571 1571  (% _msthash="315390" _msttexthash="799539" _mstvisible="1" %)
1572 1572  No downlink commands for feature
1573 1573  
1564 +
1574 1574  (% _mstvisible="1" %)
1575 1575  == (% _msthash="437814" _msttexthash="408057" _mstvisible="3" %)4.12 Clear Flash Record(%%) ==
1576 1576  
... ... @@ -1578,17 +1578,19 @@
1578 1578  Feature: Clear flash storage for data log feature.
1579 1579  
1580 1580  (% _mstvisible="1" %)
1581 -(% _msthash="315392" _msttexthash="311415" _mstvisible="3" %)**AT Command: AT+CLRDTA**
1572 +(% style="color:#4f81bd" %)**AT Command: AT+CLRDTA**
1582 1582  
1583 1583  (% _mstvisible="1" %)
1584 1584  [[image:image-20220523151556-13.png||_mstalt="454129" _mstvisible="3"]]
1585 1585  
1577 +
1586 1586  (% _mstvisible="1" %)
1587 -(% _msthash="315393" _msttexthash="388193" _mstvisible="3" %)**Downlink Command: 0xA3**
1579 +(% style="color:#4f81bd" %)**Downlink Command: 0xA3**
1588 1588  
1589 1589  (% _mstvisible="1" %)
1590 1590  * Example: 0xA301 ~/~/Same as AT+CLRDTA
1591 1591  
1584 +
1592 1592  (% _mstvisible="1" %)
1593 1593  == (% _msthash="740532" _msttexthash="701363" _mstvisible="3" %)4.13 Auto Send None-ACK messages(%%) ==
1594 1594  
... ... @@ -1597,7 +1597,7 @@
1597 1597  
1598 1598  
1599 1599  (% _mstvisible="1" %)
1600 -(% _msthash="315395" _msttexthash="334256" _mstvisible="3" %)**AT Command: AT+PNACKMD**
1593 +(% style="color:#4f81bd" %)**AT Command: AT+PNACKMD**
1601 1601  
1602 1602  (% _msthash="315396" _msttexthash="734682" _mstvisible="1" %)
1603 1603  The default factory setting is 0
... ... @@ -1606,12 +1606,14 @@
1606 1606  (% _mstvisible="3" %)|=(% _mstvisible="4" style="width: 171px;" %)(% _msthash="1231737" _msttexthash="251862" _mstvisible="6" %)**Command Example**|=(% _mstvisible="4" style="width: 219px;" %)(% _msthash="1231738" _msttexthash="116025" _mstvisible="6" %)**Function**|=(% _mstvisible="4" style="width: 119px;" %)(% _msthash="1231739" _msttexthash="116831" _mstvisible="6" %)**Response**
1607 1607  (% _mstvisible="3" %)|(% _msthash="1231321" _msttexthash="130455" _mstvisible="4" style="width:171px" %)AT+PNACKMD=1|(% _msthash="1231322" _msttexthash="377026" _mstvisible="4" style="width:219px" %)Poll None-ACK message|(% _msthash="1231323" _msttexthash="14989" _mstvisible="4" style="width:119px" %)OK
1608 1608  
1602 +
1609 1609  (% _mstvisible="1" %)
1610 -(% _msthash="315397" _msttexthash="383981" _mstvisible="3" %)**Downlink Command: 0x34**
1604 +(% style="color:#4f81bd" %)**Downlink Command: 0x34**
1611 1611  
1612 1612  (% _mstvisible="1" %)
1613 1613  * Example: 0x3401 ~/~/Same as AT+PNACKMD=1
1614 1614  
1609 +
1615 1615  (% _mstvisible="1" %)
1616 1616  = (% _msthash="568737" _msttexthash="502827" _mstvisible="3" %)5. Battery & How to replace(%%) =
1617 1617  
... ... @@ -1670,27 +1670,24 @@
1670 1670  [[image:image-20220530085651-1.png]]
1671 1671  
1672 1672  
1673 -Connection:
1668 +**Connection:**
1674 1674  
1675 -✓ USB to TTL GND <~-~->GND
1670 +✓** USB to TTL GND <~-~->GND**
1676 1676  
1677 -✓ USB to TTL RXD <~-~-> D+
1672 +**✓ USB to TTL RXD <~-~-> D+**
1678 1678  
1679 -✓ USB to TTL TXD <~-~-> A11
1674 +**✓ USB to TTL TXD <~-~-> A11**
1680 1680  
1681 -✓ USB to TTL 3.3V <~-~-> D-
1676 +**✓ USB to TTL 3.3V <~-~-> D-**
1682 1682  
1683 -In PC, User needs to set serial tool(such as **putty**, SecureCRT) baud rate to **9600** to access to
1684 1684  
1685 -access serial console for LHT65N. The AT commands are disable by default and need to enter
1679 +(((
1680 +In PC, User needs to set serial tool(such as **putty**, SecureCRT) baud rate to **9600** to access to access serial console for LHT65N. The AT commands are disable by default and need to enter password (default:**123456**) to active it. Timeout to input AT Command is 5 min, after 5-minute, user need to input password again. User can use AT+DISAT command to disable AT command before timeout.
1681 +)))
1686 1686  
1687 -password (default:**123456**) to active it. Timeout to input AT Command is 5 min, after 5-minute,
1688 -
1689 -user need to input password again. User can use AT+DISAT command to disable AT command
1690 -
1691 -before timeout.
1692 -
1683 +(((
1693 1693  Input password and ATZ to activate LHT65N,As shown below:
1685 +)))
1694 1694  
1695 1695  [[image:image-20220530095701-4.png]]
1696 1696  
... ... @@ -1741,14 +1741,10 @@
1741 1741  
1742 1742  AT+RX2DL: Get or Set the delay between the end of the Tx and the Rx Window 2 in ms
1743 1743  
1744 -AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1
1736 +AT+JN1DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 1 in ms
1745 1745  
1746 -in ms
1738 +AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2 in ms
1747 1747  
1748 -AT+JN2DL: Get or Set the Join Accept Delay between the end of the Tx and the Join Rx Window 2
1749 -
1750 -in ms
1751 -
1752 1752  AT+NJM: Get or Set the Network Join Mode. (0: ABP, 1: OTAA)
1753 1753  
1754 1754  AT+NWKID: Get or Set the Network ID
... ... @@ -1958,6 +1958,10 @@
1958 1958  (((
1959 1959  (% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1960 1960  Weight / pcs : 170g
1949 +
1950 +
1951 +(% _msthash="903342" _msttexthash="227084" _mstvisible="4" %)
1952 +
1961 1961  )))
1962 1962  
1963 1963  = 9. Reference =
... ... @@ -1964,6 +1964,8 @@
1964 1964  
1965 1965  * [[Datasheet, Photos, Decoder, Firmware>>https://www.dropbox.com/home/Products_Public_Document/LoRaWAN%20End%20Node/LHT65N%20Temperature%20%26%20Humidity%20Sensor]]
1966 1966  
1959 +
1960 +
1967 1967  = 10. FCC Warning =
1968 1968  
1969 1969  (% _mstvisible="1" %)

Applications

Navigation

Copyright ©2010-2024 Dragino Technology Co., LTD. All rights reserved
Dragino Wiki v2.0