Last modified by Kilight Cao on 2024/10/12 08:58
<
From version < 88.1 >
edited by Kilight Cao
on 2022/11/08 18:04
To version < 59.1 >
edited by Kilight Cao
on 2022/11/03 15:20
>
Change comment: Uploaded new attachment "image-20221103152033-7.png", version {1}

Summary

Details

Page properties
Content
... ... @@ -14,16 +14,16 @@
14 14  = **1. Introduction** =
15 15  
16 16  
17 -== **1.1 What is LG01-V2** ==
17 +== **1.1 What is LG01v2** ==
18 18  
19 19  
20 20  (((
21 21  (((
22 -The LG01-V2 is an (% style="color:green" %)**open-source single channel LoRa Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
22 +The LG01v2 is an (% style="color:green" %)**open-source single channel LoRa Gateway**(%%). It lets you bridge LoRa wireless network to an IP network via (% style="color:green" %)**WiFi , Ethernet or Cellular Network**(%%) (via Optional 4G module). The LoRa wireless allows users to send data and reach extremely long ranges at low data rates.
23 23  )))
24 24  
25 25  (((
26 -LG01-V2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
26 +LG01v2 supports (% style="color:green" %)**remote management**(%%). System Integrator can easy to remote monitor the gateway and maintain it.
27 27  )))
28 28  
29 29  
... ... @@ -88,7 +88,7 @@
88 88  == **1.6 Button Intruction** ==
89 89  
90 90  
91 -LG01-V2 has a black toggle button, which is:
91 +LG01v2 has a black toggle button, which is:
92 92  
93 93  
94 94  (% style="color:blue" %)**//➢ //Long press 4-5s  : **(%%)the gateway will reload the Network and Initialize wifi configuration
... ... @@ -119,7 +119,7 @@
119 119  === (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
120 120  
121 121  
122 -Connect the LG01-V2 Ethernet port to your router and LG01-V2 can obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the LG01-V2.
122 +Connect the LG01v2 Ethernet port to your router and LG01v2 can obtain an IP address from your router. In the router's management portal, you should be able to find what IP address the router has assigned to the LG01v2.
123 123  
124 124  You can also use this IP to connect.
125 125  
... ... @@ -132,7 +132,25 @@
132 132  
133 133  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622100542-2.png?width=1256&height=369&rev=1.1||alt="image-20220622100542-2.png"]]
134 134  
135 +The LG01v2 has a fall-back IP address on its WAN port. you have to access the gateway Web-UI to configure the WiFi connection via the fallback IP address.
135 135  
137 +
138 +(% style="color:#037691" %)**Steps to connect via fallback IP:**
139 +
140 +~1. Connect PC's Ethernet port to LG01-V2's WAN port
141 +
142 +2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
143 +
144 +
145 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622101433-4.png?rev=1.1||alt="image-20220622101433-4.png"]]
146 +
147 +
148 +and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LG01-V2 via Web or Console.
149 +
150 +
151 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102210-5.png?width=919&height=504&rev=1.1||alt="image-20220622102210-5.png"]]
152 +
153 +
136 136  Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
137 137  
138 138  
... ... @@ -144,6 +144,7 @@
144 144  
145 145  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102847-7.png?rev=1.1||alt="image-20220622102847-7.png"]]
146 146  
165 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102901-8.png?width=938&height=476&rev=1.1||alt="image-20220622102901-8.png"]]
147 147  
148 148  
149 149  = **3. Web Configure Pages** =
... ... @@ -152,7 +152,7 @@
152 152  
153 153  //Shows the system running status~://
154 154  
155 -[[image:image-20221104155612-1.png||height="497" width="942"]]
174 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102901-8.png?rev=1.1||alt="image-20220622102901-8.png" height="476" width="939"]]
156 156  
157 157  
158 158  == **3.2 Network Settings** ==
... ... @@ -161,7 +161,7 @@
161 161  === **3.2.1 Network ~-~-> WiFi** ===
162 162  
163 163  
164 -[[image:image-20221104155654-2.png||height="319" width="813"]]
183 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220616114756-4.png?width=669&height=251&rev=1.1||alt="image-20220616114756-4.png"]]
165 165  
166 166  
167 167  
... ... @@ -168,7 +168,7 @@
168 168  === **3.4.2 Network ~-~-> System Status** ===
169 169  
170 170  
171 -[[image:image-20221104155724-3.png||height="679" width="861"]]
190 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220820134112-2.png?width=668&height=539&rev=1.1||alt="image-20220820134112-2.png"]]
172 172  
173 173  
174 174  
... ... @@ -187,7 +187,7 @@
187 187  
188 188  Shows the system info:
189 189  
190 -[[image:image-20221104155907-4.png]]
209 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220917144512-5.png?width=853&height=618&rev=1.1||alt="image-20220917144512-5.png"]]
191 191  
192 192  
193 193  
... ... @@ -194,52 +194,18 @@
194 194  === **3.5.2 System ~-~-> Backup/Restore** ===
195 195  
196 196  
197 -[[image:image-20221104155928-5.png||height="334" width="880"]]
216 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220917144725-6.png?width=869&height=208&rev=1.1||alt="image-20220917144725-6.png"]]
198 198  
199 199  
200 -= (% id="cke_bm_1978S" style="display:none" %)** **(%%)**4. Build in Server** =
201 201  
220 += **4. How to configure the Lora Gateway** =
202 202  
203 -The default factory version of LG01-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red**
204 204  
223 +== **4.1 Access the Lora configuration page** ==
205 205  
206 -[[image:image-20221104155949-6.png||height="315" width="1023"]]
207 207  
226 +Users can access the LA66 module by running the following command, then select the option **''serial port setup"**:
208 208  
209 -(% style="color:red" %)**Note:**
210 -
211 - **Path**: System ~-~-> Built-in Server
212 -
213 -
214 -**Troubleshooting:**
215 -
216 -
217 -**~ 1. URL does not jump properly**
218 -
219 - For the Node-Red, you can use the local IP address and the port is 1880 to access it.
220 -
221 -
222 -
223 -== **4.1 Application Server ~-~- Node-Red** ==
224 -
225 -
226 -You can access the gateway's built-in AS server of (% style="color:blue" %)**Node-Red **(%%)via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:1880 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
227 -
228 -
229 -Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
230 -
231 -
232 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220725172124-3.png?width=843&height=610&rev=1.1||alt="image-20220725172124-3.png"]]
233 -
234 -
235 -= **5. How to configure the Lora Gateway** =
236 -
237 -
238 -== **5.1 Access the Lora configuration page** ==
239 -
240 -
241 -Users can access the Lora configuration page by running the following command, then select the option **''serial port setup"**:
242 -
243 243  (% class="box infomessage" %)
244 244  (((
245 245  **root@dragino-2406ef:~~# minicom -s**
... ... @@ -283,117 +283,75 @@
283 283  )))
284 284  
285 285  
286 -== **5.2 Example: LG01**-**V2 Peer-to-Peer** ==
271 +== **4.2 Example: LG01v2 Peer-to-Peer** ==
287 287  
288 288  
289 -[[image:image-20221104102736-3.png||height="282" width="723"]]
290 290  
275 +[[image:image-20221103143618-5.png||height="274" width="612"]]
291 291  
292 -The user can run the AT command to set the LG01-V2 RX window always open as a Receiver, The LG01-V2 can display the received data in the built-in server Node-Red, Here are the specific steps:
293 293  
294 -(% style="color:red" %)**Prerequisites: **(%%)The configuration of LG01-V2 and  LA66 Shield must match and the LA66 Shield firmware is **[[LA66 Peer-to-Peer firmware>>http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]**, users can use **AT+CFG** to check all configurations.
278 +The user can run the AT command to set the LG01v2 RX window always open as a Receiver, the LA66 Shield uses **AT+SEND=1,hello world,2,3** to simulate sending data,
295 295  
280 +**Prerequisites: **The configuration of LG01v2 and  LA66 Shield must match, users can use **AT+CFG** to check all configurations.
296 296  
297 -=== **Log Temperature Sensor(DHT11) and send data to LG01v2, show it in Node-RED.** ===
298 298  
283 +(% style="color:red" %)**LG01v2 as Receiver: (configured as AT+RXMOD=65535,2)**
299 299  
300 -(% style="color:red; font-weight:bold" %)**LG01-V**(% style="color:red" %)**2 as Receiver: (configured as AT+RXMOD=65535,2)**
285 +[[image:image-20221102140053-4.png]]
301 301  
302 -(% class="box infomessage" %)
303 -(((
304 -**LG01-V2 configuration:**
305 305  
306 -AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
307 -AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
308 -AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
309 -AT+POWER=14  ~-~--> TX Power Range set: 14dBm
310 -AT+CRC=1,1  ~-~--> TX and RX CRC Type
311 -AT+HEADER=0,0  ~-~--> TX and RX Header Type
312 -AT+CR=1,1  ~-~--> TX and RX Coding Rate
313 -AT+IQ=0,0  ~-~--> TX and RX InvertIQ
314 -AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
315 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
316 -AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode, RX window always open
317 -)))
288 +(% style="color:red" %)**LA66 Shield as Sender: (AT+SEND=1,hello world,2,3)**
318 318  
290 +[[image:1667456058832-484.png||height="291" width="353"]]
319 319  
320 -(% style="color:red" %)**LA66 Shield as Sender: **
321 321  
322 -(% class="box infomessage" %)
323 -(((
324 -**LA66 Shield configuration:**
325 -
326 -AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
327 -AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
328 -AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
329 -AT+POWER=14  ~-~--> TX Power Range set: 14dBm
330 -AT+CRC=1,1  ~-~--> TX and RX CRC Type
331 -AT+HEADER=0,0  ~-~--> TX and RX Header Type
332 -AT+CR=1,1  ~-~--> TX and RX Coding Rate
333 -AT+IQ=0,0  ~-~--> TX and RX InvertIQ
334 -AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
335 -AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
336 -AT+RXMOD=6,0  ~-~-->  Rx Timeout and Reply mode
293 +Instruction for Peer-to-Peer firmware:[[ **Instruction **>>url:http://wiki.dragino.com/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/Instruction%20for%20LA66%20Peer%20to%20Peer%20firmware/]]
337 337  )))
338 -)))
339 339  
340 340  
341 -After the above configuration is complete, users can send test simulation data to check whether the configuration is correct, In LA66 sheild serial console send:(% style="color:red" %)**(AT+SEND=1,hello world,2,3).**
297 += **5. Build in Server** =
342 342  
343 -When LG01-V2 replies with ACK when it receives a packet sent by LA66 sheild.
344 344  
345 -[[image:image-20221108164413-2.png]]shield
300 +The default factory version of LG01-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red**
346 346  
347 347  
348 -In the real-time log of LG01-V2：
303 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220820115644-1.png?width=778&height=217&rev=1.1||alt="image-20220820115644-1.png"]]
349 349  
350 -[[image:image-20221108170314-3.png]]
351 351  
306 +(% style="color:red" %)**Note:**
352 352  
353 -**Hardware Connection**
308 + **Path**: System ~-~-> Built-in Server
354 354  
355 -(% class="box infomessage" %)
356 -(((
357 -**The DHT11 sensor connects to the LA66 Shield:**
358 358  
359 -**VCC  <~-~--> 3.3V (Red line)**
360 -**DATA <~-~--> PIN8 (Purple line)**
361 -**GND  <~-~--> GND (White line)**
362 -)))
311 +**Troubleshooting:**
363 363  
364 -[[image:image-20221108170731-5.png||height="588" width="441"]]
365 365  
314 +**~ 1. URL does not jump properly**
366 366  
367 -**1.  open Arduino IDE**
316 + For the Node-Red, you can use the local IP address and the port is 1880 to access it.
368 368  
369 -[[image:image-20221108172149-6.png||height="650" width="542"]]
370 370  
371 371  
372 -**2.  Open project**
320 +== **5.1 Application Server ~-~- Node-Red** ==
373 373  
374 -Users can download Arduino files from this link: [[attach:Log-Temperature-Sensor-and-send-data-to-Node-red.ino||target="_blank"]]
375 375  
376 -Then click Compile and Upload to LA66 Shield,
323 +You can access the gateway's built-in AS server of (% style="color:blue" %)**Node-Red **(%%)via the URL((% style="background-color:yellow" %)__**//http:~/~/<hostname>:1880 or http:~/~/<local-IPV4-address>//**__(%%)) in your browser.
377 377  
378 -[[image:image-20221108172432-7.png]]
379 379  
326 +Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
380 380  
381 -3.
382 382  
383 -The LA66 Shield reads the temperature and humidity data from the sensor and sends it to LG01V2,
329 +[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220725172124-3.png?width=843&height=610&rev=1.1||alt="image-20220725172124-3.png"]]
384 384  
385 -Users can import this example in node-red:
386 386  
332 += (% style="color:inherit; font-family:inherit; font-size:29px" %)**6. How users can access LG01v2 using serial USB**(%%) =
387 387  
388 388  
389 -= (% style="color:inherit; font-family:inherit; font-size:29px" %)**6. How users can access LG01**(%%)**-V(% style="color:inherit; font-family:inherit; font-size:29px" %)2 using serial USB(%%)** =
335 +(% style="color:blue" %)**USB TTL to LG01v2  Connection:**
390 390  
391 391  
392 -(% style="color:blue" %)**USB TTL to LG01-V2  Connection:**
338 +Port 1 of the UART on the LG01v2 is GND
393 393  
394 -
395 -Port 1 of the UART on the LG01-V2 is GND
396 -
397 397  (% class="box infomessage" %)
398 398  (((
399 399  **TXD  <~-~--> UART RXD (Gray line)**
... ... @@ -404,7 +404,7 @@
404 404  )))
405 405  
406 406  
407 -**LG01-V2 UART connection photo**
350 +**LG01v2 UART connection photo**
408 408  
409 409  [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220804163015-1.png?width=466&height=621&rev=1.1||alt="image-20220804163015-1.png"]]
410 410  
... ... @@ -421,17 +421,17 @@
421 421  = **7. FAQ** =
422 422  
423 423  
424 -== **7.1 How does LG01-V2 communicate with Lora shield (LoRa.h)** ==
367 +== **7.1 How does LG01v2 communicate with Lora shield (LoRa.h)** ==
425 425  
426 426  
427 -This example describes how to use LG01-V2, LoRa Shield to set up a LoRa network
370 +This example describes how to use LG01v2, LoRa Shield to set up a LoRa network
428 428  
429 -[[image:image-20221103152238-8.png||height="251" width="654"]]
372 +[[image:image-20221103144405-6.png||height="253" width="712"]]
430 430  
431 431  
432 -(% style="color:red" %)**Prerequisites: The configurations of LG01-V2 and Lora shield must match**
375 +(% style="color:red" %)**Prerequisites: The configurations of LG01v2 and Lora shield must match**
433 433  
434 -**LG01-V2 configuration:**
377 +**LG01v2 configuration:**
435 435  
436 436  (% class="box infomessage" %)
437 437  (((
... ... @@ -456,12 +456,12 @@
456 456  [[image:image-20221101161318-2.png]]
457 457  
458 458  
459 -**Test LG01-V2 to receive Lora Shield data:**
402 +**Test LG01v2 to receive Lora Shield data:**
460 460  
461 461  [[image:image-20221101161951-3.png]]
462 462  
463 463  
464 -**Test the LG01-V2 to send data:**
407 +**Test the LG01v2 to send data:**
465 465  
466 466  [[image:image-20221101162527-4.png]]
467 467  
Log-Temperature-Sensor-and-send-data-to-Node-red.ino
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Kilight
Size
... ... @@ -1,1 +1,0 @@
1 -3.6 KB
Content
... ... @@ -1,150 +1,0 @@
1 -#include <SoftwareSerial.h>
2 -#include <Adafruit_Sensor.h>
3 -#include <DHT.h>
4 -#include <DHT_U.h>
5 -/*
6 -
7 -*/
8 -#define DHTPIN 8 // Digital pin connected to the DHT sensor
9 -#define DHTTYPE DHT11 // DHT 11
10 -DHT_Unified dht(DHTPIN, DHTTYPE);
11 -
12 -String inputString = ""; // a String to hold incoming data
13 -bool stringComplete = false; // whether the string is complete
14 -
15 -long old_time=millis();
16 -long new_time;
17 -
18 -long uplink_interval=30000; //ms
19 -
20 -float DHT11_temp;
21 -float DHT11_hum;
22 -
23 -SoftwareSerial ss(10, 11); // Arduino RX, TX ,
24 -
25 -char rxbuff[128];
26 -uint8_t rxbuff_index=0;
27 -
28 -void setup() {
29 - // initialize serial
30 - Serial.begin(9600);
31 -
32 - ss.begin(9600);
33 - ss.listen();
34 -
35 - // reserve 200 bytes for the inputString:
36 - inputString.reserve(200);
37 -
38 - dht.begin();
39 - sensor_t sensor;
40 - dht.temperature().getSensor(&sensor);
41 - dht.humidity().getSensor(&sensor);
42 -
43 - ss.println("ATZ");//reset LA66
44 -}
45 -
46 -void loop() {
47 -
48 - while ( ss.available()) {
49 - // get the new byte:
50 - char inChar = (char) ss.read();
51 - // add it to the inputString:
52 - inputString += inChar;
53 -
54 - rxbuff[rxbuff_index++]=inChar;
55 -
56 - if(rxbuff_index>128)
57 - {
58 - rxbuff[rxbuff_index]='\0';
59 - rxbuff_index=0;
60 - break;
61 - }
62 -
63 - // if the incoming character is a newline, set a flag so the main loop can
64 - // do something about it:
65 - if (inChar == '\n' || inChar == '\r') {
66 - stringComplete = true;
67 - rxbuff[rxbuff_index]='\0';
68 - rxbuff_index=0;
69 - }
70 - }
71 -
72 - while ( Serial.available()) {
73 - // get the new byte:
74 - char inChar = (char) Serial.read();
75 - // add it to the inputString:
76 - inputString += inChar;
77 - // if the incoming character is a newline, set a flag so the main loop can
78 - // do something about it:
79 - if (inChar == '\n' || inChar == '\r') {
80 - ss.print(inputString);
81 - inputString = "\0";
82 - }
83 - }
84 -
85 - // print the string when a newline arrives:
86 - if (stringComplete) {
87 - Serial.print(inputString);
88 -
89 - // clear the string:
90 - inputString = "\0";
91 - stringComplete = false;
92 - }
93 -
94 - new_time = millis();
95 -
96 - if(new_time-old_time>=uplink_interval){
97 - old_time = new_time;
98 -
99 - Serial.print(F("\r\n"));
100 - // Get temperature event and print its value.
101 - sensors_event_t event;
102 - dht.temperature().getEvent(&event);
103 - if (isnan(event.temperature)) {
104 - Serial.println(F("Error reading temperature!"));
105 - DHT11_temp=327.67;
106 - }
107 - else {
108 - DHT11_temp=event.temperature;
109 -
110 - if(DHT11_temp>60){
111 - DHT11_temp=60;
112 - }
113 - else if(DHT11_temp<-20){
114 - DHT11_temp=-20;
115 - }
116 - }
117 - // Get humidity event and print its value.
118 - dht.humidity().getEvent(&event);
119 - if (isnan(event.relative_humidity)) {
120 - DHT11_hum=327.67;
121 - Serial.println(F("Error reading humidity!"));
122 - }
123 - else {
124 - DHT11_hum=event.relative_humidity;
125 -
126 - if(DHT11_hum>100){
127 - DHT11_hum=100;
128 - }
129 - else if(DHT11_hum<0){
130 - DHT11_hum=0;
131 - }
132 - }
133 -
134 - Serial.print(F("Temperature: "));
135 - Serial.print(DHT11_temp);
136 - Serial.println(F("°C"));
137 - Serial.print(F("Humidity: "));
138 - Serial.print(DHT11_hum);
139 - Serial.println(F("%"));
140 - Serial.print(F("\r\n"));
141 -
142 - char sensor_data_buff[128]="\0";
143 -
144 - //confirm status,Fport,payload length,payload(HEX)
145 - snprintf(sensor_data_buff,128,"AT+SEND=0,%02X%02X%02X%02X,0,0",(short)(DHT11_temp*100)>>8 & 0xFF,(short)(DHT11_temp*100) & 0xFF,(short)(DHT11_hum*10)>>8 & 0xFF,(short)(DHT11_hum*10) & 0xFF);
146 - ss.print(sensor_data_buff);
147 - ss.print('\r');
148 - }
149 -}
150 -
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