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1		-{{box cssClass="floatinginfobox" title="**Contents**"}}
	1	+
	2	+
	3	+**Table of Contents:**
	4	+
2	2	{{toc/}}
3		-{{/box}}
4	4
5		-= What is LA66 LoRaWAN Module =
6	6
7		-**Dragino LA66** is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRa and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to program, create and connect your things everywhere.
8	8
9		-**LA66 **is a ready-to-use module which includes the LoRaWAN v1.0.4 protocol. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	9	+= 1.  LA66 LoRaWAN Module =
10	10
11		-**Each LA66 **module includes a world unique OTAA key for LoRaWAN registration.
12	12
	12	+== 1.1  What is LA66 LoRaWAN Module ==
13	13
14	14
15		-== Sub-paragraph ==
	15	+(((
	16	+[[image:image-20220715000242-1.png||height="110" width="132"]]
16	16
17		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	18	+(% style="color:blue" %)**Dragino LA66**(%%) is a small wireless LoRaWAN module that offers a very compelling mix of long-range, low power consumption, and secure data transmission. It is designed to facilitate developers to quickly deploy industrial-level LoRaWAN and IoT solutions. It helps users to turn the idea into a practical application and make the Internet of Things a reality. It is easy to create and connect your things everywhere.
	19	+)))
18	18
19		-== Sub-paragraph ==
	21	+(((
	22	+(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.4 protocol**(%%). The LoRaWAN stack used in LA66 is used in more than 1 million LoRaWAN End Devices deployed world widely. This mature LoRaWAN stack greatly reduces the risk to make stable LoRaWAN Sensors to support different LoRaWAN servers and different countries' standards. External MCU can use AT command to call LA66 and start to transmit data via the LoRaWAN protocol.
	23	+)))
20	20
21		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	25	+(((
	26	+Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration.
	27	+)))
22	22
23		-=== Sub-sub paragraph ===
	29	+(((
	30	+Besides the support of the LoRaWAN protocol, LA66 also supports (% style="color:blue" %)**open-source peer-to-peer LoRa Protocol**(%%) for the none-LoRaWAN application.
	31	+)))
24	24
25		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	33	+(((
	34	+LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures.
	35	+)))
26	26
27	27
28		-= Paragraph 2 =
	38	+== 1.2  Features ==
29	29
30		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	40	+* Support LoRaWAN v1.0.4 protocol
	41	+* Support peer-to-peer protocol
	42	+* TCXO crystal to ensure RF performance on low temperature
	43	+* SMD Antenna pad and i-pex antenna connector
	44	+* Available in different frequency LoRaWAN frequency bands.
	45	+* World-wide unique OTAA keys.
	46	+* AT Command via UART-TTL interface
	47	+* Firmware upgradable via UART interface
	48	+* Ultra-long RF range
31	31
32		-== Sub-paragraph ==
33	33
34		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	51	+== 1.3  Specification ==
35	35
36		-== Sub-paragraph ==
	53	+* CPU: 32-bit 48 MHz
	54	+* Flash: 256KB
	55	+* RAM: 64KB
	56	+* Input Power Range: 1.8v ~~ 3.7v
	57	+* Power Consumption: < 4uA.
	58	+* Frequency Range: 150 MHz ~~ 960 MHz
	59	+* Maximum Power +22 dBm constant RF output
	60	+* High sensitivity: -148 dBm
	61	+* Temperature:
	62	+** Storage: -55 ~~ +125℃
	63	+** Operating: -40 ~~ +85℃
	64	+* Humidity:
	65	+** Storage: 5 ~~ 95% (Non-Condensing)
	66	+** Operating: 10 ~~ 95% (Non-Condensing)
	67	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	68	+* LoRa Rx current: <9 mA
	69	+* I/O Voltage: 3.3v
37	37
38		-Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
	71	+
	72	+== 1.4  AT Command ==
	73	+
	74	+AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents.
	75	+
	76	+
	77	+== 1.5  Dimension ==
	78	+
	79	+[[image:image-20220517072526-1.png]]
	80	+
	81	+
	82	+
	83	+== 1.6  Pin Mapping ==
	84	+
	85	+
	86	+[[image:image-20220523101537-1.png]]
	87	+
	88	+
	89	+
	90	+== 1.7  Land Pattern ==
	91	+
	92	+[[image:image-20220517072821-2.png]]
	93	+
	94	+
	95	+
	96	+= 2.  LA66 LoRaWAN Shield =
	97	+
	98	+
	99	+== 2.1  Overview ==
	100	+
	101	+LA66 LoRaWAN Shield is the Arduino shield base on LA66. Users can use LA66 LoRaWAN Shield to rapidly add LoRaWAN or peer-to-peer LoRa wireless function to  Arduino projects.
	102	+
	103	+
	104	+== 2.2  Features ==
	105	+
	106	+* Arduino Shield base on LA66 LoRaWAN module
	107	+* Support LoRaWAN v1.0.4 protocol
	108	+* Support peer-to-peer protocol
	109	+* TCXO crystal to ensure RF performance on low temperature
	110	+* SMA connector
	111	+* Available in different frequency LoRaWAN frequency bands.
	112	+* World-wide unique OTAA keys.
	113	+* AT Command via UART-TTL interface
	114	+* Firmware upgradable via UART interface
	115	+* Ultra-long RF range
	116	+
	117	+
	118	+== 2.3  Specification ==
	119	+
	120	+* CPU: 32-bit 48 MHz
	121	+* Flash: 256KB
	122	+* RAM: 64KB
	123	+* Input Power Range: 1.8v ~~ 3.7v
	124	+* Power Consumption: < 4uA.
	125	+* Frequency Range: 150 MHz ~~ 960 MHz
	126	+* Maximum Power +22 dBm constant RF output
	127	+* High sensitivity: -148 dBm
	128	+* Temperature:
	129	+** Storage: -55 ~~ +125℃
	130	+** Operating: -40 ~~ +85℃
	131	+* Humidity:
	132	+** Storage: 5 ~~ 95% (Non-Condensing)
	133	+** Operating: 10 ~~ 95% (Non-Condensing)
	134	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	135	+* LoRa Rx current: <9 mA
	136	+* I/O Voltage: 3.3v
	137	+
	138	+
	139	+== 2.4  Pin Mapping & LED ==
	140	+
	141	+
	142	+
	143	+== 2.5  Example: Use AT Command to communicate with LA66 module via Arduino UNO. ==
	144	+
	145	+
	146	+
	147	+== 2.6  Example: Join TTN network and send an uplink message, get downlink message. ==
	148	+
	149	+
	150	+
	151	+== 2.7  Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. ==
	152	+
	153	+
	154	+
	155	+== 2.8  Upgrade Firmware of LA66 LoRaWAN Shield ==
	156	+
	157	+
	158	+=== 2.8.1  Items needed for update ===
	159	+
	160	+1. LA66 LoRaWAN Shield
	161	+1. Arduino
	162	+1. USB TO TTL Adapter
	163	+
	164	+
	165	+
	166	+[[image:image-20220602100052-2.png||height="385" width="600"]]
	167	+
	168	+
	169	+=== 2.8.2  Connection ===
	170	+
	171	+
	172	+[[image:image-20220602101311-3.png||height="276" width="600"]]
	173	+
	174	+
	175	+(((
	176	+(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%)  **<->** (% style="color:blue" %)**USB TTL**
	177	+)))
	178	+
	179	+(((
	180	+(% style="background-color:yellow" %)**GND  <-> GND
	181	+TXD  <->  TXD
	182	+RXD  <->  RXD**
	183	+)))
	184	+
	185	+
	186	+Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module)
	187	+
	188	+Connect USB TTL Adapter to PC after connecting the wires
	189	+
	190	+
	191	+[[image:image-20220602102240-4.png||height="304" width="600"]]
	192	+
	193	+
	194	+=== 2.8.3  Upgrade steps ===
	195	+
	196	+
	197	+==== 1.  Switch SW1 to put in ISP position ====
	198	+
	199	+
	200	+[[image:image-20220602102824-5.png||height="306" width="600"]]
	201	+
	202	+
	203	+
	204	+==== 2.  Press the RST switch once ====
	205	+
	206	+
	207	+[[image:image-20220602104701-12.png||height="285" width="600"]]
	208	+
	209	+
	210	+
	211	+==== 3.  Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ====
	212	+
	213	+
	214	+(((
	215	+(% style="color:blue" %)**1. Software download link:  [[https:~~/~~/www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/>>https://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/LSN50N/]]**
	216	+)))
	217	+
	218	+
	219	+[[image:image-20220602103227-6.png]]
	220	+
	221	+
	222	+[[image:image-20220602103357-7.png]]
	223	+
	224	+
	225	+
	226	+(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %)
	227	+(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL**
	228	+
	229	+
	230	+[[image:image-20220602103844-8.png]]
	231	+
	232	+
	233	+
	234	+(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %)
	235	+(% style="color:blue" %)**3. Select the bin file to burn**
	236	+
	237	+
	238	+[[image:image-20220602104144-9.png]]
	239	+
	240	+
	241	+[[image:image-20220602104251-10.png]]
	242	+
	243	+
	244	+[[image:image-20220602104402-11.png]]
	245	+
	246	+
	247	+
	248	+(% class="wikigeneratedid" id="HClicktostartthedownload" %)
	249	+(% style="color:blue" %)**4. Click to start the download**
	250	+
	251	+[[image:image-20220602104923-13.png]]
	252	+
	253	+
	254	+
	255	+(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %)
	256	+(% style="color:blue" %)**5. Check update process**
	257	+
	258	+
	259	+[[image:image-20220602104948-14.png]]
	260	+
	261	+
	262	+
	263	+(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %)
	264	+(% style="color:blue" %)**The following picture shows that the burning is successful**
	265	+
	266	+[[image:image-20220602105251-15.png]]
	267	+
	268	+
	269	+
	270	+= 3.  LA66 USB LoRaWAN Adapter =
	271	+
	272	+
	273	+== 3.1  Overview ==
	274	+
	275	+LA66 USB LoRaWAN Adapter is designed to fast turn USB devices to support LoRaWAN wireless features. It combines a CP2101 USB TTL Chip and LA66 LoRaWAN module which can easy to add LoRaWAN wireless feature to PC / Mobile phone or an embedded device that has USB Interface.
	276	+
	277	+
	278	+== 3.2  Features ==
	279	+
	280	+* LoRaWAN USB adapter base on LA66 LoRaWAN module
	281	+* Ultra-long RF range
	282	+* Support LoRaWAN v1.0.4 protocol
	283	+* Support peer-to-peer protocol
	284	+* TCXO crystal to ensure RF performance on low temperature
	285	+* Spring RF antenna
	286	+* Available in different frequency LoRaWAN frequency bands.
	287	+* World-wide unique OTAA keys.
	288	+* AT Command via UART-TTL interface
	289	+* Firmware upgradable via UART interface
	290	+
	291	+
	292	+== 3.3  Specification ==
	293	+
	294	+* CPU: 32-bit 48 MHz
	295	+* Flash: 256KB
	296	+* RAM: 64KB
	297	+* Input Power Range: 5v
	298	+* Frequency Range: 150 MHz ~~ 960 MHz
	299	+* Maximum Power +22 dBm constant RF output
	300	+* High sensitivity: -148 dBm
	301	+* Temperature:
	302	+** Storage: -55 ~~ +125℃
	303	+** Operating: -40 ~~ +85℃
	304	+* Humidity:
	305	+** Storage: 5 ~~ 95% (Non-Condensing)
	306	+** Operating: 10 ~~ 95% (Non-Condensing)
	307	+* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
	308	+* LoRa Rx current: <9 mA
	309	+
	310	+
	311	+== 3.4  Pin Mapping & LED ==
	312	+
	313	+
	314	+
	315	+== 3.5  Example: Send & Get Messages via LoRaWAN in PC ==
	316	+
	317	+
	318	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	319	+
	320	+
	321	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC**
	322	+
	323	+
	324	+[[image:image-20220602171217-1.png||height="538" width="800"]]
	325	+
	326	+
	327	+Open the serial port tool
	328	+
	329	+[[image:image-20220602161617-8.png]]
	330	+
	331	+[[image:image-20220602161718-9.png||height="457" width="800"]]
	332	+
	333	+
	334	+
	335	+(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.**
	336	+
	337	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network
	338	+
	339	+
	340	+[[image:image-20220602161935-10.png||height="498" width="800"]]
	341	+
	342	+
	343	+
	344	+(% style="color:blue" %)**3. See Uplink Command**
	345	+
	346	+Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	347	+
	348	+example: AT+SENDB=01,02,8,05820802581ea0a5
	349	+
	350	+[[image:image-20220602162157-11.png||height="497" width="800"]]
	351	+
	352	+
	353	+
	354	+(% style="color:blue" %)**4. Check to see if TTN received the message**
	355	+
	356	+[[image:image-20220602162331-12.png||height="420" width="800"]]
	357	+
	358	+
	359	+
	360	+== 3.6  Example: Send PC's CPU/RAM usage to TTN via python ==
	361	+
	362	+
	363	+**Use python as an example：**[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_WindosPC.py]]
	364	+
	365	+
	366	+(% style="color:red" %)**Preconditions:**
	367	+
	368	+(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine**
	369	+
	370	+(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter  is registered with TTN**
	371	+
	372	+
	373	+
	374	+(% style="color:blue" %)**Steps for usage:**
	375	+
	376	+(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter
	377	+
	378	+(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN
	379	+
	380	+[[image:image-20220602115852-3.png||height="450" width="1187"]]
	381	+
	382	+
	383	+
	384	+== 3.7  Example: Send & Get Messages via LoRaWAN in RPi ==
	385	+
	386	+
	387	+Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage.
	388	+
	389	+
	390	+(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi**
	391	+
	392	+[[image:image-20220602171233-2.png||height="538" width="800"]]
	393	+
	394	+
	395	+
	396	+(% style="color:blue" %)**2. Install Minicom in RPi.**
	397	+
	398	+(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal
	399	+
	400	+ (% style="background-color:yellow" %)**apt update**
	401	+
	402	+ (% style="background-color:yellow" %)**apt install minicom**
	403	+
	404	+
	405	+Use minicom to connect to the RPI's terminal
	406	+
	407	+[[image:image-20220602153146-3.png||height="439" width="500"]]
	408	+
	409	+
	410	+
	411	+(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.**
	412	+
	413	+The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network.
	414	+
	415	+
	416	+[[image:image-20220602154928-5.png||height="436" width="500"]]
	417	+
	418	+
	419	+
	420	+(% style="color:blue" %)**4. Send Uplink message**
	421	+
	422	+Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**
	423	+
	424	+example: AT+SENDB=01,02,8,05820802581ea0a5
	425	+
	426	+
	427	+[[image:image-20220602160339-6.png||height="517" width="600"]]
	428	+
	429	+
	430	+
	431	+Check to see if TTN received the message
	432	+
	433	+[[image:image-20220602160627-7.png||height="369" width="800"]]
	434	+
	435	+
	436	+
	437	+== 3.8  Example: LA66 USB Module got a message from LA66 LoRa Shield and send the sensor data to NodeRed. ==
	438	+
	439	+
	440	+
	441	+== 3.9  Upgrade Firmware of LA66 USB LoRaWAN Adapter ==
	442	+
	443	+
	444	+
	445	+
	446	+= 4.  Order Info =
	447	+
	448	+
	449	+**Part Number:**  (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or**  (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**
	450	+
	451	+
	452	+(% style="color:blue" %)**XXX**(%%): The default frequency band
	453	+
	454	+* (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
	455	+* (% style="color:red" %)**AU915**(%%):  LoRaWAN AU915 band
	456	+* (% style="color:red" %)**EU433**(%%):  LoRaWAN EU433 band
	457	+* (% style="color:red" %)**EU868**(%%):  LoRaWAN EU868 band
	458	+* (% style="color:red" %)**KR920**(%%):  LoRaWAN KR920 band
	459	+* (% style="color:red" %)**US915**(%%):  LoRaWAN US915 band
	460	+* (% style="color:red" %)**IN865**(%%):  LoRaWAN IN865 band
	461	+* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band
	462	+* (% style="color:red" %)**PP**(%%):  Peer to Peer LoRa Protocol
	463	+
	464	+
	465	+= 5.  Reference =
	466	+
	467	+* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
	468	+

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