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Last modified by Mengting Qiu on 2025/06/04 18:42
From version 105.2
edited by Xiaoling
on 2022/11/16 16:12
Change comment: There is no comment for this version
To version 102.5
edited by Xiaoling
on 2022/10/29 10:07
Change comment: There is no comment for this version

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64 64  )))
65 65  
66 66  * (((
67 -STM32L072xxxx MCU
67 +STM32L072CZT6 MCU
68 68  )))
69 69  * (((
70 70  SX1276/78 Wireless Chip 
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315 315  
316 316  
317 317  
318 +
318 318  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
319 319  
320 320  
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373 373  
374 374  
375 375  
377 +
376 376  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
377 377  
378 378  
... ... @@ -1550,10 +1550,8 @@
1550 1550  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1551 1551  
1552 1552  
1553 -**NPN output**: GND or Float. Max voltage can apply to output pin is 36v.
1555 +NPN output: GND or Float. Max voltage can apply to output pin is 36v.
1554 1554  
1555 -Note: DO pins go to float when device is power off.
1556 -
1557 1557  [[image:1653357531600-905.png]]
1558 1558  
1559 1559  
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1594 1594  
1595 1595  
1596 1596  (((
1597 -The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device's Power Line to in serial of RO1_1 and RO_2. Such as below:
1598 -
1599 -**Note**: RO pins go to Open(NO) when device is power off.
1597 +The LT serial controller has two relay interfaces; each interface uses two pins of the screw terminal. User can connect other device’s Power Line to in serial of RO1_1 and RO_2. Such as below:
1600 1600  )))
1601 1601  
1602 1602  [[image:image-20220524100215-9.png]]
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2139 2139  [[image:image-20221006170630-1.png||height="610" width="945"]]
2140 2140  
2141 2141  
2142 -== 5.8 Can LT22222-L save RO state? ==
2143 2143  
2144 -
2145 -Firmware version needs to be no less than 1.6.0.
2146 -
2147 -
2148 -
2149 2149  = 6. Trouble Shooting =
2150 2150  
2151 2151  
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2239 2239  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:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]]
2240 2240  
2241 2241  
2234 +
2242 2242  
2243 2243  )))
2244 2244  
image-20221112174847-1.png
Author
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1 -XWiki.Xiaoling
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1 -102.6 KB
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