Last modified by Saxer Lin on 2025/04/15 17:24
<
From version < 137.1 >
edited by Mengting Qiu
on 2024/09/12 08:51
To version < 128.7 >
edited by Xiaoling
on 2024/01/15 15:53
>
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Summary

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Title
... ... @@ -1,1 +1,1 @@
1 -LT-22222-L -- LoRa IO Controller User Manual
1 +LT-22222-L LoRa IO Controller User Manual
Author
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1 -XWiki.ting
1 +XWiki.Xiaoling
Content
... ... @@ -3,10 +3,6 @@
3 3  
4 4  
5 5  
6 -
7 -
8 -
9 -
10 10  **Table of Contents:**
11 11  
12 12  {{toc/}}
... ... @@ -59,69 +59,162 @@
59 59  
60 60  == 1.2 Specifications ==
61 61  
58 +(((
59 +
60 +
62 62  (% style="color:#037691" %)**Hardware System:**
62 +)))
63 63  
64 -* STM32L072xxxx MCU
65 -* SX1276/78 Wireless Chip 
66 -* Power Consumption:
67 -** Idle: 4mA@12v
68 -** 20dB Transmit: 34mA@12v
69 -* Operating Temperature: -40 ~~ 85 Degree, No Dew
64 +* (((
65 +STM32L072xxxx MCU
66 +)))
67 +* (((
68 +SX1276/78 Wireless Chip 
69 +)))
70 +* (((
71 +(((
72 +Power Consumption:
73 +)))
70 70  
75 +* (((
76 +Idle: 4mA@12v
77 +)))
78 +* (((
79 +20dB Transmit: 34mA@12v
80 +)))
81 +)))
82 +
83 +(((
84 +
85 +
71 71  (% style="color:#037691" %)**Interface for Model: LT22222-L:**
87 +)))
72 72  
73 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
74 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
75 -* 2 x Relay Output (5A@250VAC / 30VDC)
76 -* 2 x 0~~20mA Analog Input (res:0.01mA)
77 -* 2 x 0~~30V Analog Input (res:0.01v)
78 -* Power Input 7~~ 24V DC. 
89 +* (((
90 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor)
91 +)))
92 +* (((
93 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA)
94 +)))
95 +* (((
96 +2 x Relay Output (5A@250VAC / 30VDC)
97 +)))
98 +* (((
99 +2 x 0~~20mA Analog Input (res:0.01mA)
100 +)))
101 +* (((
102 +2 x 0~~30V Analog Input (res:0.01v)
103 +)))
104 +* (((
105 +Power Input 7~~ 24V DC. 
106 +)))
79 79  
108 +(((
109 +
110 +
80 80  (% style="color:#037691" %)**LoRa Spec:**
112 +)))
81 81  
82 -* Frequency Range:
83 -** Band 1 (HF): 862 ~~ 1020 Mhz
84 -** Band 2 (LF): 410 ~~ 528 Mhz
85 -* 168 dB maximum link budget.
86 -* +20 dBm - 100 mW constant RF output vs.
87 -* +14 dBm high efficiency PA.
88 -* Programmable bit rate up to 300 kbps.
89 -* High sensitivity: down to -148 dBm.
90 -* Bullet-proof front end: IIP3 = -12.5 dBm.
91 -* Excellent blocking immunity.
92 -* Low RX current of 10.3 mA, 200 nA register retention.
93 -* Fully integrated synthesizer with a resolution of 61 Hz.
94 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
95 -* Built-in bit synchronizer for clock recovery.
96 -* Preamble detection.
97 -* 127 dB Dynamic Range RSSI.
98 -* Automatic RF Sense and CAD with ultra-fast AFC.
99 -* Packet engine up to 256 bytes with CRC.
114 +* (((
115 +(((
116 +Frequency Range:
117 +)))
100 100  
119 +* (((
120 +Band 1 (HF): 862 ~~ 1020 Mhz
121 +)))
122 +* (((
123 +Band 2 (LF): 410 ~~ 528 Mhz
124 +)))
125 +)))
126 +* (((
127 +168 dB maximum link budget.
128 +)))
129 +* (((
130 ++20 dBm - 100 mW constant RF output vs.
131 +)))
132 +* (((
133 ++14 dBm high efficiency PA.
134 +)))
135 +* (((
136 +Programmable bit rate up to 300 kbps.
137 +)))
138 +* (((
139 +High sensitivity: down to -148 dBm.
140 +)))
141 +* (((
142 +Bullet-proof front end: IIP3 = -12.5 dBm.
143 +)))
144 +* (((
145 +Excellent blocking immunity.
146 +)))
147 +* (((
148 +Low RX current of 10.3 mA, 200 nA register retention.
149 +)))
150 +* (((
151 +Fully integrated synthesizer with a resolution of 61 Hz.
152 +)))
153 +* (((
154 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation.
155 +)))
156 +* (((
157 +Built-in bit synchronizer for clock recovery.
158 +)))
159 +* (((
160 +Preamble detection.
161 +)))
162 +* (((
163 +127 dB Dynamic Range RSSI.
164 +)))
165 +* (((
166 +Automatic RF Sense and CAD with ultra-fast AFC.
167 +)))
168 +* (((
169 +Packet engine up to 256 bytes with CRC.
170 +
171 +
172 +
173 +)))
174 +
101 101  == 1.3 Features ==
102 102  
177 +
103 103  * LoRaWAN Class A & Class C protocol
179 +
104 104  * Optional Customized LoRa Protocol
181 +
105 105  * Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915/RU864/IN865/MA869
183 +
106 106  * AT Commands to change parameters
185 +
107 107  * Remote configure parameters via LoRa Downlink
187 +
108 108  * Firmware upgradable via program port
189 +
109 109  * Counting
110 110  
192 +
111 111  == 1.4 Applications ==
112 112  
195 +
113 113  * Smart Buildings & Home Automation
197 +
114 114  * Logistics and Supply Chain Management
199 +
115 115  * Smart Metering
201 +
116 116  * Smart Agriculture
203 +
117 117  * Smart Cities
205 +
118 118  * Smart Factory
119 119  
208 +
120 120  == 1.5 Hardware Variants ==
121 121  
122 122  
123 123  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:500px" %)
124 -|(% style="background-color:#4f81bd; color:white; width:103px" %)**Model**|(% style="background-color:#4f81bd; color:white; width:131px" %)**Photo**|(% style="background-color:#4f81bd; color:white; width:266px" %)**Description**
213 +|(% style="background-color:#4F81BD;color:white; width:103px" %)**Model**|(% style="background-color:#4F81BD;color:white; width:131px" %)**Photo**|(% style="background-color:#4F81BD;color:white; width:266px" %)**Description**
125 125  |(% style="width:103px" %)**LT22222-L**|(% style="width:131px" %)(((
126 126  (% style="text-align:center" %)
127 127  [[image:image-20230424115112-1.png||height="106" width="58"]]
... ... @@ -134,12 +134,20 @@
134 134  * 1 x Counting Port
135 135  )))
136 136  
226 +
137 137  = 2. Power ON Device =
138 138  
229 +
230 +(((
139 139  The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller.
232 +)))
140 140  
234 +(((
141 141  PWR will on when device is properly powered.
142 142  
237 +
238 +)))
239 +
143 143  [[image:1653297104069-180.png]]
144 144  
145 145  
... ... @@ -224,6 +224,7 @@
224 224  
225 225  * (% style="color:blue" %)**ADDMOD6**(%%): Trigger Mode, Optional, used together with MOD1 ~~ MOD5
226 226  
324 +
227 227  === 3.3.1 AT+MOD~=1, 2ACI+2AVI ===
228 228  
229 229  
... ... @@ -231,7 +231,7 @@
231 231  The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. (% style="display:none" %)
232 232  
233 233  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
234 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
332 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
235 235  |Value|(((
236 236  AVI1 voltage
237 237  )))|(((
... ... @@ -292,6 +292,7 @@
292 292  ** DO1 is high in case there is load between DO1 and V+.
293 293  ** DO1 LED is off in both case
294 294  
393 +
295 295  === 3.3.2 AT+MOD~=2, (Double DI Counting) ===
296 296  
297 297  
... ... @@ -303,7 +303,7 @@
303 303  Total : 11 bytes payload
304 304  
305 305  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
306 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
405 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
307 307  |Value|COUNT1|COUNT2 |DIDORO*|(((
308 308  Reserve
309 309  )))|MOD
... ... @@ -370,7 +370,7 @@
370 370  **LT22222-L**: This mode the DI1 is used as a counting pin.
371 371  
372 372  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
373 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
472 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
374 374  |Value|COUNT1|(((
375 375  ACI1 Current
376 376  )))|(((
... ... @@ -423,7 +423,7 @@
423 423  The AVI1 is also used for counting. AVI1 is used to monitor the voltage. It will check the voltage **every 60s**, if voltage is higher or lower than VOLMAX mV, the AVI1 Counting increase 1, so AVI1 counting can be used to measure a machine working hour.
424 424  
425 425  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
426 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**4**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
525 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**4**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
427 427  |Value|COUNT1|AVI1 Counting|DIDORO*|(((
428 428  Reserve
429 429  )))|MOD
... ... @@ -483,7 +483,7 @@
483 483  **LT22222-L**: This mode the DI1 is used as a counting pin.
484 484  
485 485  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
486 -|(% style="background-color:#4f81bd; color:white" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**2**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**|(% style="background-color:#4f81bd; color:white" %)**1**
585 +|(% style="background-color:#4F81BD;color:white" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**2**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**|(% style="background-color:#4F81BD;color:white" %)**1**
487 487  |Value|(((
488 488  AVI1 voltage
489 489  )))|(((
... ... @@ -619,7 +619,7 @@
619 619  MOD6 Payload : total 11 bytes payload
620 620  
621 621  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:515px" %)
622 -|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:69px" %)**1**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:49px" %)**6**|(% style="background-color:#4f81bd; color:white; width:109px" %)**1**|(% style="background-color:#4f81bd; color:white; width:50px" %)**1**
721 +|(% style="background-color:#4F81BD;color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4F81BD;color:white; width:69px" %)**1**|(% style="background-color:#4F81BD;color:white; width:69px" %)**1**|(% style="background-color:#4F81BD;color:white; width:109px" %)**1**|(% style="background-color:#4F81BD;color:white; width:49px" %)**6**|(% style="background-color:#4F81BD;color:white; width:109px" %)**1**|(% style="background-color:#4F81BD;color:white; width:50px" %)**1**
623 623  |Value|(((
624 624  TRI_A FLAG
625 625  )))|(((
... ... @@ -738,6 +738,7 @@
738 738  
739 739  * (% style="color:blue" %)**Sensor Related Commands**(%%): These commands are special designed for LT-22222-L.  User can see these commands below:
740 740  
840 +
741 741  === 3.4.1 Common Commands ===
742 742  
743 743  
... ... @@ -947,7 +947,7 @@
947 947  01: Low,  00: High ,  11: No action
948 948  
949 949  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
950 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**DO1**|(% style="background-color:#4f81bd; color:white" %)**DO2**|(% style="background-color:#4f81bd; color:white" %)**DO3**
1050 +|(% style="background-color:#4F81BD;color:white" %)**Downlink Code**|(% style="background-color:#4F81BD;color:white" %)**DO1**|(% style="background-color:#4F81BD;color:white" %)**DO2**|(% style="background-color:#4F81BD;color:white" %)**DO3**
951 951  |02  01  00  11|Low|High|No Action
952 952  |02  00  11  01|High|No Action|Low
953 953  |02  11  01  00|No Action|Low|High
... ... @@ -990,7 +990,7 @@
990 990  (% style="color:#4f81bd" %)**Third Byte**(%%): Control Method and Ports status:
991 991  
992 992  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
993 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1093 +|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
994 994  |0x01|DO1 set to low
995 995  |0x00|DO1 set to high
996 996  |0x11|DO1 NO Action
... ... @@ -998,7 +998,7 @@
998 998  (% style="color:#4f81bd" %)**Fourth Byte**(%%): Control Method and Ports status:
999 999  
1000 1000  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1001 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1101 +|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
1002 1002  |0x01|DO2 set to low
1003 1003  |0x00|DO2 set to high
1004 1004  |0x11|DO2 NO Action
... ... @@ -1006,7 +1006,7 @@
1006 1006  (% style="color:#4f81bd" %)**Fifth Byte**(%%): Control Method and Ports status:
1007 1007  
1008 1008  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:300px" %)
1009 -|(% style="background-color:#4f81bd; color:white" %)**Second Byte**|(% style="background-color:#4f81bd; color:white" %)**Status**
1109 +|(% style="background-color:#4F81BD;color:white" %)**Second Byte**|(% style="background-color:#4F81BD;color:white" %)**Status**
1010 1010  |0x01|DO3 set to low
1011 1011  |0x00|DO3 set to high
1012 1012  |0x11|DO3 NO Action
... ... @@ -1061,10 +1061,10 @@
1061 1061  )))
1062 1062  
1063 1063  (((
1064 -00: Close ,  01: Open , 11: No action
1164 +01: Close ,  00: Open , 11: No action
1065 1065  
1066 1066  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:320px" %)
1067 -|(% style="background-color:#4f81bd; color:white" %)**Downlink Code**|(% style="background-color:#4f81bd; color:white" %)**RO1**|(% style="background-color:#4f81bd; color:white" %)**RO2**
1167 +|(% style="background-color:#4F81BD;color:white" %)**Downlink Code**|(% style="background-color:#4F81BD;color:white" %)**RO1**|(% style="background-color:#4F81BD;color:white" %)**RO2**
1068 1068  |03  00  11|Open|No Action
1069 1069  |03  01  11|Close|No Action
1070 1070  |03  11  00|No Action|Open
... ... @@ -1487,11 +1487,7 @@
1487 1487  
1488 1488  [[image:image-20230616235145-1.png]]
1489 1489  
1490 -(% style="color:blue" %)**Example5**(%%): Connect to Open Colleactor
1491 1491  
1492 -[[image:image-20240219115718-1.png]]
1493 -
1494 -
1495 1495  === 3.6.3 Digital Output Port: DO1/DO2 /DO3 ===
1496 1496  
1497 1497  
... ... @@ -1566,9 +1566,12 @@
1566 1566  == 3.7 LEDs Indicators ==
1567 1567  
1568 1568  
1569 -(% border="1" cellspacing="3" style="background-color:#f2f2f2; width:510px" %)
1570 -|(% style="background-color:#4f81bd; color:white; width:50px" %)**LEDs**|(% style="background-color:#4f81bd; color:white; width:460px" %)**Feature**
1665 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:520px" %)
1666 +|(% style="background-color:#4F81BD;color:white; width:50px" %)**LEDs**|(% style="background-color:#4F81BD;color:white; width:470px" %)**Feature**
1571 1571  |**PWR**|Always on if there is power
1668 +|**SYS**|(((
1669 +After device is powered on, the SYS will **fast blink in GREEN** for 5 times, means RS485-LN start to join LoRaWAN network. If join success, SYS will be **on GREEN for 5 seconds. **SYS will **blink Blue** on every upload and **blink Green** once receive a downlink message.
1670 +)))
1572 1572  |**TX**|(((
1573 1573  (((
1574 1574  Device boot: TX blinks 5 times.
... ... @@ -1583,17 +1583,22 @@
1583 1583  )))
1584 1584  )))
1585 1585  |**RX**|RX blinks once when receive a packet.
1586 -|**DO1**|For LT-22222-L: ON when DO1 is low, LOW when DO1 is high
1587 -|**DO2**|For LT-22222-L: ON when DO2 is low, LOW when DO2 is high
1588 -|**DI1**|(((
1589 -For LT-22222-L: ON when DI1 is high, LOW when DI1 is low
1685 +|**DO1**|
1686 +|**DO2**|
1687 +|**DO3**|
1688 +|**DI2**|(((
1689 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1590 1590  )))
1591 1591  |**DI2**|(((
1592 -For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1692 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1593 1593  )))
1594 -|**RO1**|For LT-22222-L: ON when RO1 is closed, LOW when RO1 is open
1595 -|**RO2**|For LT-22222-L: ON when RO2 is closed, LOW when RO2 is open
1694 +|**DI2**|(((
1695 +For LT-22222-L: ON when DI2 is high, LOW when DI2 is low
1696 +)))
1697 +|**RO1**|
1698 +|**RO2**|
1596 1596  
1700 +
1597 1597  = 4. Use AT Command =
1598 1598  
1599 1599  == 4.1 Access AT Command ==
... ... @@ -1603,6 +1603,10 @@
1603 1603  LT supports AT Command set. User can use a USB to TTL adapter plus the 3.5mm Program Cable to connect to LT for using AT command, as below.
1604 1604  )))
1605 1605  
1710 +(((
1711 +
1712 +)))
1713 +
1606 1606  [[image:1653358238933-385.png]]
1607 1607  
1608 1608  
... ... @@ -2197,6 +2197,7 @@
2197 2197  * (% style="color:red" %)**IN865**(%%):  LT with frequency bands IN865
2198 2198  * (% style="color:red" %)**CN779**(%%):  LT with frequency bands CN779
2199 2199  
2308 +
2200 2200  = 9. Packing Info =
2201 2201  
2202 2202  
... ... @@ -2214,6 +2214,7 @@
2214 2214  * Package Size / pcs : 14.5 x 8 x 5 cm
2215 2215  * Weight / pcs : 170g
2216 2216  
2326 +
2217 2217  = 10. Support =
2218 2218  
2219 2219  
... ... @@ -2233,3 +2233,5 @@
2233 2233  * LT-22222-L: [[http:~~/~~/www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]
2234 2234  * [[Datasheet, Document Base>>https://www.dropbox.com/sh/gxxmgks42tqfr3a/AACEdsj_mqzeoTOXARRlwYZ2a?dl=0]]
2235 2235  * [[Hardware Source>>url:https://github.com/dragino/Lora/tree/master/LT/LT-33222-L/v1.0]]
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image-20240219115718-1.png
Author
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1 -XWiki.Edwin
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1 -27.7 KB
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