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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 102.4
edited by Xiaoling
on 2022/10/29 10:05
Change comment: There is no comment for this version

Summary

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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 
... ... @@ -188,6 +188,7 @@
188 188  
189 189  
190 190  
191 +
191 191  == 1.4  Applications ==
192 192  
193 193  
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200 200  
201 201  
202 202  
204 +
203 203  == 1.5 Hardware Variants ==
204 204  
205 205  
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313 313  * (% style="color:blue" %)**MOD5**(%%): Single DI Counting + 2 x AVI + 1 x ACI + DO + RO
314 314  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
315 315  
316 -
317 -
318 318  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
319 319  
320 320  
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371 371  ** DO1 is high in case there is load between DO1 and V+.
372 372  ** DO1 LED is off in both case
373 373  
374 -
375 -
376 376  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
377 377  
378 378  
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780 780  
781 781  
782 782  
781 +
783 783  === 3.4.1 Common Commands ===
784 784  
785 785  
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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.
1552 +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.
1594 +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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2210 2210  
2211 2211  
2212 2212  
2202 +
2213 2213  = 8. Packing Info =
2214 2214  
2215 2215  
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2229 2229  
2230 2230  
2231 2231  
2222 +
2232 2232  = 9. Support =
2233 2233  
2234 2234  
... ... @@ -2239,6 +2239,7 @@
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  
2233 +
2242 2242  
2243 2243  )))
2244 2244  
image-20221112174847-1.png
Author
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1 -XWiki.Xiaoling
Size
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1 -102.6 KB
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