Summary

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  • LoRa_Shield_Sketch_For_MQTT.ino
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  • Log-Temperature-Sensor-and-send-data-to-Node-red.ino
  • Log-Temperature-Sensor-and-send-data-to-node-red.json
  • arduino-LoRa-master.zip
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  • serial USB.json

Details

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Author

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1		-XWiki.Kilight
	1	+XWiki.Edwin

Content

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11	11
12	12	{{toc/}}
13	13
14		-= **1. Introduction** =
15	15
16	16
	16	+
	17	+
	18	+
	19	+= **1. Introduction** =
	20	+
17	17	== **1.1 What is LG01v2** ==
18	18
19	19
...	...	@@ -20,14 +20,17 @@
20	20	(((
21	21	(((
22	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.
	27	+
	28	+LG01v2 is specially design for peer to peer LoRa protocol instead of LoRaWAN protocol. The LG01v2 use single channel LoRa module to minimize the deployment cost for a private p2p LoRa wireless network.
23	23	)))
24	24
25	25	(((
	32	+LG01v2 uses Open Source Linux system. User can modify the Linux part and develop customize software base on it. It has (% style="color:green" %)1.2Ghz Quad-Core CPU(%%) , (% style="color:green" %)4GB eMMC storage(%%) and (% style="color:green" %)512MB RAM(%%) for most application.
	33	+
26	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
30		-
31	31	== **1.2 Specifications** ==
32	32
33	33
...	...	@@ -48,6 +48,7 @@
48	48	* Storage Temperature: -20 ~~ 65°C
49	49	* Power Input: 5V, 2A, DC
50	50
	58	+
51	51	== **1.3 Features** ==
52	52
53	53
...	...	@@ -56,9 +56,9 @@
56	56	* Remote Management
57	57	* Auto-provisioning for batch deployment and management
58	58	* LoRa Gateway
59		-* Built-in (% style="color:#037691" %)//**The Things Network**//(%%) local LoRaWAN server
60	60	* Built-in  (% style="color:#037691" %)//**Node-Red**// (%%)local Application server
61	61
	69	+
62	62	== **1.4 Block Diagram** ==
63	63
64	64
...	...	@@ -84,7 +84,6 @@
84	84	(% style="color:blue" %)//**➢ WIFI LED**//(%%)//: This LED shows the WIFI interface connection status.//
85	85
86	86
87		-
88	88	== **1.6 Button Intruction** ==
89	89
90	90
...	...	@@ -101,18 +101,16 @@
101	101	//**LED status: ** ETH LED will SOLID BULE Until the restore is finished.//
102	102
103	103
	111	+= **2. Quick Start** =
104	104
105		-= ** 2. Quick Start** =
106	106
	114	+The LG01-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
107	107
108		-The LPS8-V2 supports network access via Ethernet or Wi-Fi connection and runs without a network.
	116	+In most cases, the first thing you need to do is make the LG01-v2 accessible to the network.
109	109
110		-In most cases, the first thing you need to do is make the lps8-v2 accessible to the network.
111	111
112		-
113	113	== **2.1 Connects to the network and accesses the gateway Web UI** ==
114	114
115		-
116	116	== **2.1.1 connect the network.** ==
117	117
118	118
...	...	@@ -119,51 +119,118 @@
119	119	=== (% style="color:blue" %)**Method 1**(%%):  Connect via Ethernet with DHCP IP from the router ===
120	120
121	121
122		-Connect the LPS8-V2 Ethernet port to your router and LPS8 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 LPS8-V2.
	127	+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.
123	123
124	124	You can also use this IP to connect.
125	125
	131	+
126	126	[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622100129-1.png?width=1263&height=332&rev=1.1||alt="image-20220622100129-1.png"]]
127	127
128		-=== **Method 2**:  Connect via WiFi with DHCP IP from the router ===
129	129
130		-[[image:image-20220622100542-2.png||height="369" width="1256"]]
	135	+=== (% style="color:blue" %)**Method 2**(%%):  Connect via WiFi with DHCP IP from the router ===
131	131
132		-The LPS8-V2 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.
133	133
134		-**Steps to connect via fallback IP:**
	138	+[[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"]]
135	135
136		-~1. Connect PC's Ethernet port to LPS8-V2's WAN port
137	137
138		-2. Configure PC's Ethernet port has  IP: 172.31.255.253 and Netmask: 255.255.255.252
	141	+Fill in the WiFi information by checking the box and clicking (% style="color:red" %)**Save&Apply**
139	139
140		-[[image:image-20220622101433-4.png]]
141	141
142		-and then On the PC, use the IP address **http:~/~/172.31.255.254** to access the LPS8-V2 via Web or Console.
	144	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220622102702-6.png?rev=1.1||alt="image-20220622102702-6.png"]]
143	143
144		-[[image:image-20220622102210-5.png||height="504" width="919"]]
145	145
146		-Fill in the WiFi information by checking the box and clicking **Save&Apply**
	147	+**Wi-Fi configuration successful**
147	147
148		-[[image:image-20220622102702-6.png]]
149	149
150		-**Wi-Fi configuration successful**
	150	+[[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"]]
151	151
152		-[[image:image-20220622102847-7.png]]
153	153
154		-[[image:image-20220622102901-8.png||height="476" width="938"]]
	153	+= **3. Web Configure Pages** =
155	155
	155	+== **3.1 Home** ==
156	156
157	157
	158	+//Shows the system running status~://
158	158
159		-= **3. How to configure the LA66 module** =
	160	+[[image:image-20221104155612-1.png||height="497" width="942"]]
160	160
161	161
162		-== **3.1 Access the LA66 module** ==
	163	+== **3.2 Network Settings** ==
163	163
	165	+=== **3.2.1 Network ~-~-> WiFi** ===
164	164
165		-Users can access the LA66 module by running the following command, then select the option **''serial port setup"**:
166	166
	168	+[[image:image-20221104155654-2.png||height="319" width="813"]]
	169	+
	170	+
	171	+=== **3.4.2 Network ~-~-> System Status** ===
	172	+
	173	+
	174	+[[image:image-20221104155724-3.png||height="679" width="861"]]
	175	+
	176	+
	177	+=== **3.4.3 Network ~-~-> Firewall** ===
	178	+
	179	+
	180	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220616115351-6.png?width=661&height=244&rev=1.1||alt="image-20220616115351-6.png"]]
	181	+
	182	+
	183	+== **3.5 System** ==
	184	+
	185	+=== **3.5.1  System ~-~-> System Overview** ===
	186	+
	187	+
	188	+Shows the system info:
	189	+
	190	+[[image:image-20221104155907-4.png]]
	191	+
	192	+
	193	+=== **3.5.2 System ~-~-> Backup/Restore** ===
	194	+
	195	+
	196	+[[image:image-20221104155928-5.png||height="334" width="880"]]
	197	+
	198	+
	199	+= (% id="cke_bm_1978S" style="display:none" %)** **(%%)**4. Build in Server** =
	200	+
	201	+
	202	+The default factory version of LG01-V2 is installed with the built-in Applicant server: (% style="color:blue" %)**Node-Red**
	203	+
	204	+
	205	+[[image:image-20221104155949-6.png||height="315" width="1023"]]
	206	+
	207	+
	208	+(% style="color:red" %)**Note:**
	209	+
	210	+ **Path**: System ~-~-> Built-in Server
	211	+
	212	+
	213	+(% style="color:blue" %)**Troubleshooting：**
	214	+
	215	+**~ 1. URL does not jump properly**
	216	+
	217	+ For the Node-Red, you can use the local IP address and the port is 1880 to access it.
	218	+
	219	+
	220	+== **4.1 Application Server ~-~- Node-Red** ==
	221	+
	222	+
	223	+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.
	224	+
	225	+
	226	+Such as (% style="background-color:yellow" %)__**//http:~/~/dragino-54ff12:1880  or http:~/~/<Local-IPV4-Address>//**__
	227	+
	228	+
	229	+[[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"]]
	230	+
	231	+
	232	+= **5. How to configure the Lora Gateway** =
	233	+
	234	+== **5.1 Configure and Debug LoRa wireless of LG01v2** ==
	235	+
	236	+
	237	+Users can access the Lora configuration page by running the following command, then select the option **''serial port setup"**:
	238	+
167	167	(% class="box infomessage" %)
168	168	(((
169	169	**root@dragino-2406ef:~~# minicom -s**
...	...	@@ -182,44 +182,313 @@
182	182	)))
183	183
184	184
185		-(% style="color:red" %)**Note: Enter the corresponding letter to change the configuration, like A,B,C**(%%)
	257	+(% style="color:red" %)**Note: Enter the corresponding letter to change the configuration, like A,B,C**
	258	+
	259	+
186	186	(% style="color:red" %)[[image:image-20221029174703-3.png]]
187	187
188	188
189	189	Enter **AT+CFG **in the interface to get the configuration,
190	190
191		-[[image:image-20221029172156-1.png||height="315" width="358"]]
192	192
	266	+(% class="box infomessage" %)
	267	+(((
	268	+**AT+FRE=868.100,868.100  ~-~--> TX and RX frequency
	269	+AT+GROUPMOD=0,0  ~-~-->  TX and RX group
	270	+AT+BW=0,0  ~-~-->  TX and RX Bandwidth
	271	+AT+SF=12,12  ~-~-->  TX and RX Spreading Factor
	272	+AT+POWER=14  ~-~-->  TX Power Range
	273	+AT+CRC=1,1  ~-~-->  TX and RX CRC Type
	274	+AT+HEADER=0,0  ~-~-->  TX and RX Header Type
	275	+AT+CR=1,1  ~-~-->  TX and RX Coding Rate
	276	+AT+IQ=0,0  ~-~-->  TX and RX InvertIQ
	277	+AT+PREAMBLE=8,8  ~-~-->  TX and RX Preamble Length
	278	+AT+SYNCWORD=0  ~-~-->  Syncword(0: private，1: public)
	279	+AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode
	280	+AT+RXDAFORM=1**
	281	+)))
193	193
194		-LG01v2 Peer to Peer example:
195	195
196		-(% style="color:red" %)**LG01v2 as Receiver: (configured as AT+RXMOD=65535,2)**
	284	+== **5.2 Example: LG01v2** ==
197	197
	286	+=== **5.2.1 Introduce for the example:** ===
198	198
199		-
	288	+
	289	+[[image:image-20221104102736-3.png||height="282" width="723"]]
	290	+
	291	+
	292	+In this example, there are two devices:
	293	+
	294	+* **LA66 Shield + UNO + DHT11**: The UNO will get the temperature and humidity and broadcast the value via LoRa protocol.
	295	+* **LG01v2** : LG01v2 is set to listening the LoRa Channel which LA66 is broadcasting. When LG01v2 get the data from LA66, LG01v2 will plot the data in built-in IoT server.
	296	+
	297	+
	298	+=== **5.2.2 Set Up LA66 Shield + UNO** ===
	299	+
	300	+
	301	+==== **Set up LA66 Module** ====
	302	+
	303	+
	304	+LA66 Module is loaded with the firmware **[[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/]] **and user can use AT Command to set up LA66 with below parameters:
	305	+
	306	+(((
	307	+(% style="color:red" %)**LA66 Shield as Sender: **
	308	+
	309	+(% class="box infomessage" %)
	310	+(((
	311	+**LA66 Shield configuration:**
	312	+
	313	+AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
	314	+AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
	315	+AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
	316	+AT+POWER=14  ~-~--> TX Power Range set: 14dBm
	317	+AT+CRC=1,1  ~-~--> TX and RX CRC Type
	318	+AT+HEADER=0,0  ~-~--> TX and RX Header Type
	319	+AT+CR=1,1  ~-~--> TX and RX Coding Rate
	320	+AT+IQ=0,0  ~-~--> TX and RX InvertIQ
	321	+AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
	322	+AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
	323	+AT+RXMOD=6,0  ~-~-->  Rx Timeout and Reply mode
200	200	)))
	325	+)))
201	201
202		-= **7. Trouble Shooting** =
203	203
204	204
205		-== 7.1  I can't log in to the built-in Server TTN Stack which shows '**Login failed**'. ==
	329	+==== **Set up Arduino UNO** ====
206	206
	331	+(% id="cke_bm_1033249S" style="display:none" %)** **
207	207
	333	+**Hardware Connection**
208	208
	335	+(% class="box infomessage" %)
	336	+(((
	337	+**The DHT11 sensor connects to the LA66 Shield:**
209	209
210		-This is caused by the inconsistency between the built-in TTN-Stack domain configuration and your login URL.
	339	+**VCC  <~-~--> 3.3V (Red line)**
	340	+**DATA <~-~--> PIN8 (Purple line)**
	341	+**GND  <~-~--> GND (White line)**
	342	+)))
211	211
212		-By default, ttn-stack uses the gateway's domain name for URL resolution, but in some networks, they prefer to resolve IP-v4 addresses.
	344	+[[image:image-20221108170731-5.png||height="588" width="441"]]
213	213
214	214
215		-So you can change the domain name of the TTN-Stack configuration to the IPv4 address.
216	216
217		-**Click the update URL button to configure the URL with the current eth port address.**
	348	+===== **1. Open Arduino IDE** =====
218	218
219	219
	351	+[[image:image-20221108172149-6.png||height="650" width="542"]]
220	220
221	221
222	222
	355	+===== **2. Open project** =====
	356	+
	357	+
	358	+Users can download Arduino files from this link: [[attach:Log-Temperature-Sensor-and-send-data-to-Node-red.ino||target="_blank"]]
	359	+
	360	+Then click Compile and Upload to LA66 Shield,
	361	+
	362	+[[image:image-20221108172432-7.png]]
	363	+
	364	+
	365	+
	366	+===== **3. Open the Serial Monitor to check the LA66 Shield data** =====
	367	+
	368	+
	369	+The UNO will now reads the temperature and humidity data from the sensor and broadcast it via LoRa wireless,
	370	+
	371	+[[image:image-20221108174840-8.png||height="731" width="671"]]
	372	+
	373	+
	374	+
	375	+Sending out data as below.
	376	+
	377	+[[image:image-20221108175113-9.png||height="556" width="998"]]
	378	+
	379	+
	380	+=== **5.2.3 Set Up LG01v2** ===
	381	+
	382	+
	383	+Configure LG01v2 LoRa channel parameters so it can get data from LA66 Shield
	384	+
	385	+(% style="color:red; font-weight:bold" %)**LG01v**(% style="color:red" %)**2 as Receiver: (configured as AT+RXMOD=65535,2)**
	386	+
	387	+(% class="box infomessage" %)
	388	+(((
	389	+**LG01-V2 configuration:**
	390	+
	391	+AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
	392	+AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
	393	+AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
	394	+AT+POWER=14  ~-~--> TX Power Range set: 14dBm
	395	+AT+CRC=1,1  ~-~--> TX and RX CRC Type
	396	+AT+HEADER=0,0  ~-~--> TX and RX Header Type
	397	+AT+CR=1,1  ~-~--> TX and RX Coding Rate
	398	+AT+IQ=0,0  ~-~--> TX and RX InvertIQ
	399	+AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
	400	+AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public)**
	401	+AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode, RX window always open
	402	+)))
	403	+
	404	+
	405	+=== **5.2.4 Test result** ===
	406	+
	407	+
	408	+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).**
	409	+)))
	410	+
	411	+When LG01v2 replies with ACK when it receives a packet sent by LA66 sheild.
	412	+
	413	+[[image:image-20221108164413-2.png]]
	414	+
	415	+
	416	+
	417	+In the real-time log of LG01v2：
	418	+
	419	+[[image:image-20221108170314-3.png]]
	420	+
	421	+
	422	+=== **5.2.5 Plot data chart in LG01v2** ===
	423	+
	424	+
	425	+User can plot the temperature and humidity chat via LG01v2 built-in IoT server.
	426	+
	427	+User can import this example in Node-Red: [[attach:Log-Temperature-Sensor-and-send-data-to-node-red.json||target="_blank"]]
	428	+
	429	+[[image:image-20221108180334-10.png||height="651" width="1141"]]
	430	+
	431	+
	432	+The temperature and humidity chart is displayed in the built-in node-red UI
	433	+
	434	+**Browser input: (% style="background-color:yellow" %)__//http:~/~/<local-IPV4-address>//__(%%)**
	435	+
	436	+[[image:image-20221108180458-11.png||height="402" width="1137"]]
	437	+
	438	+
	439	+= (% 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(%%)** =
	440	+
	441	+
	442	+(% style="color:blue" %)**USB TTL to LG01-V2  Connection:**
	443	+
	444	+
	445	+Port 1 of the UART on the LG01-V2 is GND
	446	+
	447	+(% class="box infomessage" %)
	448	+(((
	449	+**TXD  <~-~--> UART RXD (Gray line)**
	450	+
	451	+**RXD  <~-~--> UART TXD (White line)**
	452	+
	453	+**GND <~-~--> GND (Black line)**
	454	+)))
	455	+
	456	+
	457	+**LG01-V2 UART connection photo**
	458	+
	459	+[[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"]]
	460	+
	461	+
	462	+
	463	+In the PC, you can use the serial port tool(such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]] in Windows), you need to set the serial baud rate to (% style="color:blue" %)**115200**(%%) to access the serial console for LG01v2. LG01v2 will output system info once power on as below:
	464	+
	465	+
	466	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220804164928-3.png?width=332&height=320&rev=1.1||alt="image-20220804164928-3.png"]]
	467	+
	468	+
	469	+[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/HP0C/WebHome/image-20220804164747-2.png?width=594&height=622&rev=1.1||alt="image-20220804164747-2.png"]]
	470	+
	471	+
	472	+= **7. FAQ** =
	473	+
	474	+== **7.1 How does LG01-V2 communicate with Lora shield (LoRa.h)** ==
	475	+
	476	+
	477	+This example describes how to use LG01-V2, LoRa Shield to set up a LoRa network,
	478	+
	479	+[[image:image-20221103152238-8.png||height="251" width="654"]]
	480	+
	481	+
	482	+(% style="color:red" %)**Prerequisites: The configurations of LG01-V2 and Lora shield must match**
	483	+
	484	+**LG01-V2 configuration:**
	485	+
	486	+(% class="box infomessage" %)
	487	+(((
	488	+AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
	489	+AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
	490	+AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
	491	+AT+POWER=14  ~-~--> TX Power Range
	492	+AT+CRC=1,1  ~-~--> TX and RX CRC Type
	493	+AT+HEADER=0,0  ~-~--> TX and RX Header Type
	494	+AT+CR=1,1  ~-~--> TX and RX Coding Rate
	495	+AT+IQ=0,0  ~-~--> TX and RX InvertIQ
	496	+AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
	497	+AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public), **the corresponding Lora shield syncword is 0x12
	498	+AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode,RX window always open
	499	+AT+RXDAFORM=1
	500	+)))
	501	+
	502	+
	503	+
	504	+**Lora shield configuration:**
	505	+
	506	+Lora Shield example: [[attach:LoRa_Shield_Sketch_For_MQTT.ino||target="_blank"]] , [[attach:arduino-LoRa-master.zip||target="_blank"]]
	507	+
	508	+[[image:image-20221101161318-2.png]]
	509	+
	510	+
	511	+
	512	+**Test LG01-V2 to receive Lora Shield data:**
	513	+
	514	+[[image:image-20221101161951-3.png]]
	515	+
	516	+
	517	+
	518	+**Test the LG01-V2 to send data:**
	519	+
	520	+[[image:image-20221101162527-4.png]]
	521	+
	522	+
	523	+== **7.2 How does LG01-V2 communicate with Heltec LoRa Node** ==
	524	+
	525	+
	526	+This example describes how to use LG01-V2 and Heltec LoRa Node to set up a LoRa network,
	527	+
	528	+[[image:image-20221112161111-2.png||height="258" width="692"]]
	529	+
	530	+(% style="color:red" %)**Prerequisites: The configurations of LG01-V2 and Lora shield must match**
	531	+
	532	+
	533	+**LG01-V2 configuration:**
	534	+
	535	+(% class="box infomessage" %)
	536	+(((
	537	+AT+FRE=868.100,868.100  ~-~--> TX and RX frequency set: 868100000
	538	+AT+BW=0,0  ~-~--> TX and RX Bandwidth set: 125kHz
	539	+AT+SF=12,12  ~-~--> TX and RX Spreading Factor set: SF12
	540	+AT+POWER=14  ~-~--> TX Power Range
	541	+AT+CRC=1,1  ~-~--> TX and RX CRC Type
	542	+AT+HEADER=0,0  ~-~--> TX and RX Header Type
	543	+AT+CR=1,1  ~-~--> TX and RX Coding Rate
	544	+AT+IQ=0,0  ~-~--> TX and RX InvertIQ
	545	+AT+PREAMBLE=8,8  ~-~--> TX and RX Preamble Length set: 8
	546	+AT+SYNCWORD=0  ~-~-->  Syncword**(0: private，1: public), **the corresponding Lora shield syncword is 0x12
	547	+AT+RXMOD=65535,0  ~-~-->  Rx Timeout and Reply mode,RX window always open
	548	+AT+RXDAFORM=1  ~-~--> RX data format**（0: Hex ,1: String）**
	549	+)))
	550	+
	551	+
	552	+After we upload the sketch to Heltec LoRa Node, we can see below output from Arduino.
	553	+
	554	+Lora Shield example: [[attach:LoRa_send_trial.ino||target="_blank"]]
	555	+
	556	+[[image:image-20221112162733-3.png||height="524" width="927"]]
	557	+
	558	+
	559	+And we can see the logread of gateway as below, means the packet arrive gateway:
	560	+
	561	+[[image:image-20221112163119-4.png||height="808" width="560"]]
	562	+
	563	+
223	223	= (% style="color:inherit; font-family:inherit; font-size:29px" %)**8. Supports**(%%) =
224	224
225	225
...	...	@@ -231,7 +231,6 @@
231	231	**//With your question as detailed as possible. We will reply and help you in the shortest.//**
232	232
233	233
234		-
235	235	= **9. Reference** =
236	236
237	237
...	...	@@ -265,7 +265,6 @@
265	265	More info about valid bands, please see [[EC25-E product page>>url:https://www.quectel.com/product/ec25.htm]].
266	266
267	267
268		-
269	269	= **10. Manufacturer Info** =
270	270
271	271
...	...	@@ -276,7 +276,6 @@
276	276	LongCheng Street, LongGang District ; Shenzhen 518116,China
277	277
278	278
279		-
280	280	= **11. FCC Warning** =
281	281
282	282
...	...	@@ -309,7 +309,6 @@
309	309	(((
310	310	The antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.
311	311
	650	+
312	312
313	313	)))
314		-
315		-~)~)~)

1667456058832-484.png

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Content

LoRa_Shield_Sketch_For_MQTT.ino

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	1	+XWiki.Kilight

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...	...	@@ -1,0 +1,118 @@
	1	+#include <SPI.h>
	2	+#include <LoRa.h>
	3	+
	4	+// This is the LoRa Node side sketch for the MQTT example: http://wiki.dragino.com/index.php?title=MQTT_Forward_Instruction#Example_to_communicate_to_a_simple_MQTT_server
	5	+
	6	+float tem,hum;
	7	+char tem_1[8]={"\0"},hum_1[8]={"\0"};
	8	+char *node_id = "<4567>"; //From LG01 via web Local Channel settings on MQTT.Please refer <> dataformat in here.
	9	+uint8_t datasend[36];
	10	+unsigned int count = 1;
	11	+unsigned long new_time,old_time=0;
	12	+
	13	+void setup()
	14	+{
	15	+ Serial.begin(9600);
	16	+ while (!Serial);
	17	+ Serial.println(F("Start MQTT Example"));
	18	+ if (!LoRa.begin(868100000)) //868000000 is frequency
	19	+ {
	20	+ Serial.println("Starting LoRa failed!");
	21	+ while (1);
	22	+ }
	23	+ // Setup Spreading Factor (6 ~ 12)
	24	+ LoRa.setSpreadingFactor(12);
	25	+
	26	+ // Setup BandWidth, option: 7800,10400,15600,20800,31250,41700,62500,125000,250000,500000
	27	+ //Lower BandWidth for longer distance.
	28	+ LoRa.setSignalBandwidth(125000);
	29	+
	30	+ // Setup Coding Rate:5(4/5),6(4/6),7(4/7),8(4/8)
	31	+ LoRa.setCodingRate4(5);
	32	+ LoRa.setSyncWord(0x12);
	33	+ void disableCrc();
	34	+ LoRa.disableInvertIQ();
	35	+ LoRa.explicitHeaderMode();
	36	+ Serial.println("LoRa init succeeded.");
	37	+ LoRa.onReceive(onReceive);
	38	+ LoRa.receive();
	39	+}
	40	+
	41	+void dhtTem()
	42	+{
	43	+ tem = random(15,40);
	44	+ hum = random(40,80);
	45	+ Serial.println(F("The temperature and humidity:"));
	46	+ Serial.print("[");
	47	+ Serial.print(tem);
	48	+ Serial.print("℃");
	49	+ Serial.print(",");
	50	+ Serial.print(hum);
	51	+ Serial.print("%");
	52	+ Serial.print("]");
	53	+ Serial.println("");
	54	+}
	55	+void dhtWrite()
	56	+{
	57	+ char data[50] = "\0";
	58	+ //for(int i = 0; i < 50; i++)
	59	+ //{
	60	+ // data[i] = node_id[i];
	61	+ //}
	62	+
	63	+ dtostrf(tem,0,1,tem_1);
	64	+ dtostrf(hum,0,1,hum_1);
	65	+
	66	+ // Serial.println(tem_1);
	67	+ strcat(data,"tem=");
	68	+ strcat(data,tem_1);
	69	+ strcat(data,"&hum=");
	70	+ strcat(data,hum_1);
	71	+ strcpy((char *)datasend,data);
	72	+
	73	+ //Serial.println((char *)datasend);
	74	+ //Serial.println(sizeof datasend);
	75	+
	76	+}
	77	+
	78	+
	79	+void SendData()
	80	+{
	81	+ LoRa.beginPacket();
	82	+ LoRa.print((char *)datasend);
	83	+ LoRa.endPacket();
	84	+ Serial.println("Packet Sent");
	85	+}
	86	+
	87	+
	88	+
	89	+void loop()
	90	+{
	91	+ new_time=millis();
	92	+ if (new_time - old_time >= 30000 || old_time == 0)
	93	+ {
	94	+ old_time = new_time;
	95	+ Serial.print("########### ");
	96	+ Serial.print("COUNT=");
	97	+ Serial.print(count);
	98	+ Serial.println(" ###########");
	99	+ count++;
	100	+ dhtTem();
	101	+ dhtWrite();
	102	+ SendData();
	103	+ LoRa.receive();
	104	+ }
	105	+}
	106	+
	107	+void onReceive(int packetSize) {
	108	+
	109	+ // received a packet
	110	+ Serial.print("Received packet : ");
	111	+
	112	+ // read packet
	113	+ for (int i = 0; i < packetSize; i++) {
	114	+ Serial.print((char)LoRa.read());
	115	+ }
	116	+ Serial.print("\n\r");
	117	+}
	118	+

LoRa_send_trial.ino

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	1	+XWiki.Kilight

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	1	+#include "LoRaWan_APP.h"
	2	+#include "Arduino.h"
	3	+
	4	+
	5	+#define RF_FREQUENCY 868100000 // Hz
	6	+
	7	+#define TX_OUTPUT_POWER 5 // dBm
	8	+
	9	+#define LORA_BANDWIDTH 0 // [0: 125 kHz,
	10	+ // 1: 250 kHz,
	11	+ // 2: 500 kHz,
	12	+ // 3: Reserved]
	13	+#define LORA_SPREADING_FACTOR 12 // [SF7..SF12]
	14	+#define LORA_CODINGRATE 1 // [1: 4/5,
	15	+ // 2: 4/6,
	16	+ // 3: 4/7,
	17	+ // 4: 4/8]
	18	+#define LORA_PREAMBLE_LENGTH 8 // Same for Tx and Rx
	19	+#define LORA_SYMBOL_TIMEOUT 0 // Symbols
	20	+#define LORA_FIX_LENGTH_PAYLOAD_ON false
	21	+#define LORA_IQ_INVERSION_ON false
	22	+
	23	+
	24	+#define RX_TIMEOUT_VALUE 1000
	25	+#define BUFFER_SIZE 30 // Define the payload size here
	26	+
	27	+float tem,hum;
	28	+char tem_1[8]={"\0"},hum_1[8]={"\0"};
	29	+char *node_id = "<GW01>"; //From LG01 via web Local Channel settings on MQTT.Please refer <> dataformat in here.
	30	+
	31	+char txpacket[BUFFER_SIZE];
	32	+char rxpacket[BUFFER_SIZE];
	33	+
	34	+double txNumber;
	35	+
	36	+bool lora_idle=true;
	37	+
	38	+static RadioEvents_t RadioEvents;
	39	+void OnTxDone( void );
	40	+void OnTxTimeout( void );
	41	+
	42	+void dhtTem()
	43	+{
	44	+ tem = random(15,40);
	45	+ hum = random(40,80);
	46	+ Serial.println(F("The temperature and humidity:"));
	47	+ Serial.print("[");
	48	+ Serial.print(tem);
	49	+ Serial.print("℃");
	50	+ Serial.print(",");
	51	+ Serial.print(hum);
	52	+ Serial.print("%");
	53	+ Serial.print("]");
	54	+ Serial.println("");
	55	+}
	56	+
	57	+void dhtWrite()
	58	+{
	59	+ char data[50] = "\0";
	60	+ for(int i = 0; i < 50; i++)
	61	+ {
	62	+ data[i] = node_id[i];
	63	+ }
	64	+
	65	+ dtostrf(tem,0,1,tem_1);
	66	+ dtostrf(hum,0,1,hum_1);
	67	+
	68	+ strcat(data,"tem_a=");
	69	+ strcat(data,tem_1);
	70	+ strcat(data,"&hum_a=");
	71	+ strcat(data,hum_1);
	72	+ strcpy((char *)txpacket,data);
	73	+
	74	+ Serial.println((char *)txpacket);
	75	+}
	76	+
	77	+void setup() {
	78	+ Serial.begin(115200);
	79	+ Mcu.begin();
	80	+
	81	+ txNumber=0;
	82	+
	83	+ RadioEvents.TxDone = OnTxDone;
	84	+ RadioEvents.TxTimeout = OnTxTimeout;
	85	+
	86	+ Radio.Init( &RadioEvents );
	87	+ Radio.SetChannel( RF_FREQUENCY );
	88	+ Radio.SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
	89	+ LORA_SPREADING_FACTOR, LORA_CODINGRATE,
	90	+ LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
	91	+ true, 0, 0, LORA_IQ_INVERSION_ON, 3000 );
	92	+ }
	93	+
	94	+
	95	+
	96	+void loop()
	97	+{
	98	+ if(lora_idle == true)
	99	+ {
	100	+ delay(5000);
	101	+ txNumber += 0.01;
	102	+ Serial.println(txNumber);
	103	+
	104	+ dhtTem();
	105	+ dhtWrite();
	106	+ Radio.Send( (uint8_t *)txpacket, strlen(txpacket) ); //send the package out
	107	+ lora_idle = false;
	108	+ }
	109	+ Radio.IrqProcess( );
	110	+}
	111	+
	112	+void OnTxDone( void )
	113	+{
	114	+ Serial.println("TX done......");
	115	+ lora_idle = true;
	116	+}
	117	+
	118	+void OnTxTimeout( void )
	119	+{
	120	+ Radio.Sleep( );
	121	+ Serial.println("TX Timeout......");
	122	+ lora_idle = true;
	123	+}
	124	+

Log-Temperature-Sensor-and-send-data-to-Node-red.ino

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	1	+XWiki.Kilight

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	1	+3.6 KB

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...	...	@@ -1,0 +1,150 @@
	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	+

Log-Temperature-Sensor-and-send-data-to-node-red.json

Author

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	1	+XWiki.Kilight

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	1	+10.1 KB

Content

...	...	@@ -1,0 +1,443 @@
	1	+[
	2	+ {
	3	+ "id": "5f10779accc05655",
	4	+ "type": "tab",
	5	+ "label": "serial USB",
	6	+ "disabled": false,
	7	+ "info": "",
	8	+ "env": []
	9	+ },
	10	+ {
	11	+ "id": "4ea60ce4df40717c",
	12	+ "type": "serial in",
	13	+ "z": "5f10779accc05655",
	14	+ "name": "",
	15	+ "serial": "bb1c0e81fd51fa9e",
	16	+ "x": 210,
	17	+ "y": 60,
	18	+ "wires": [
	19	+ [
	20	+ "40eac96a52733f7a",
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	4	+ "type": "tab",
	5	+ "label": "serial USB",
	6	+ "disabled": false,
	7	+ "info": "",
	8	+ "env": []
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	227	+ "type": "serial-port",
	228	+ "serialport": "/dev/ttyUSB0",
	229	+ "serialbaud": "9600",
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