Changes for page LA66 USB LoRaWAN Adapter User Manual
Last modified by Xiaoling on 2025/02/07 16:37
Summary
-
Page properties (3 modified, 0 added, 0 removed)
-
Attachments (0 modified, 0 added, 18 removed)
- image-20220723173950-11.png
- image-20220723175700-12.png
- image-20220726135239-1.png
- image-20220726135356-2.png
- image-20220813173738-1.png
- image-20220813174353-2.png
- image-20220813183239-3.png
- image-20220814101457-1.png
- image-20220817084245-1.png
- image-20220817084532-1.jpeg
- image-20220817093644-1.png
- image-20220909151441-1.jpeg
- image-20220909151517-2.png
- image-20220912085244-1.png
- image-20220912085307-2.png
- image-20231129155939-1.png
- image-20240101111021-1.png
- image-20240101111030-2.png
Details
- Page properties
-
- Title
-
... ... @@ -1,1 +1,1 @@ 1 -LA66 USBLoRaWANAdapter UserManual1 +LA66 LoRaWAN Module - Author
-
... ... @@ -1,1 +1,1 @@ 1 -XWiki. Xiaoling1 +XWiki.Lu - Content
-
... ... @@ -1,4 +1,4 @@ 1 - 1 +0 2 2 3 3 **Table of Contents:** 4 4 ... ... @@ -6,25 +6,34 @@ 6 6 7 7 8 8 9 += 1. LA66 LoRaWAN Module = 9 9 10 10 11 -= 1. LA66 USBLoRaWANAdapter=12 +== 1.1 What is LA66 LoRaWAN Module == 12 12 13 -== 1.1 Overview == 14 14 15 +((( 16 +((( 17 +[[image:image-20220719093358-2.png||height="145" width="220"]](% style="color:blue" %)** ** 18 +))) 15 15 16 -[[image:image-20220715001142-3.png||height="194" width="294"]][[image:image-20240101111030-2.png]] 20 +((( 21 + 22 +))) 17 17 18 - 19 19 ((( 20 -(% style="color:blue" %)**LA66 USBLoRaWANAdapter**(%%) isdesignedtofastturnUSBdevicestoportLoRaWANwirelessfeatures. Itcombinesa CP2101 USB TTL Chip andLA66 LoRaWANmodulewhichcaneasy toaddLoRaWANwirelessfeature toPC/ MobilephoneoranembeddeddevicehasUSBInterface.25 +(% 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. 21 21 ))) 27 +))) 22 22 23 23 ((( 30 +((( 24 24 (% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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. 25 25 ))) 33 +))) 26 26 27 27 ((( 36 +((( 28 28 Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 29 29 ))) 30 30 ... ... @@ -31,34 +31,35 @@ 31 31 ((( 32 32 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. 33 33 ))) 43 +))) 34 34 35 35 ((( 46 +((( 36 36 LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 37 37 ))) 49 +))) 38 38 39 39 52 + 40 40 == 1.2 Features == 41 41 42 - 43 -* LoRaWAN USB adapter base on LA66 LoRaWAN module 44 -* Ultra-long RF range 45 -* Support LoRaWAN v1.0.3 protocol 55 +* Support LoRaWAN v1.0.4 protocol 46 46 * Support peer-to-peer protocol 47 47 * TCXO crystal to ensure RF performance on low temperature 48 -* Sp ringRFantenna58 +* SMD Antenna pad and i-pex antenna connector 49 49 * Available in different frequency LoRaWAN frequency bands. 50 50 * World-wide unique OTAA keys. 51 51 * AT Command via UART-TTL interface 52 52 * Firmware upgradable via UART interface 53 -* Open Source Mobile App forLoRaWAN signaldetect andGPStracking.63 +* Ultra-long RF range 54 54 55 55 == 1.3 Specification == 56 56 57 - 58 58 * CPU: 32-bit 48 MHz 59 59 * Flash: 256KB 60 60 * RAM: 64KB 61 -* Input Power Range: 5v 70 +* Input Power Range: 1.8v ~~ 3.7v 71 +* Power Consumption: < 4uA. 62 62 * Frequency Range: 150 MHz ~~ 960 MHz 63 63 * Maximum Power +22 dBm constant RF output 64 64 * High sensitivity: -148 dBm ... ... @@ -70,404 +70,552 @@ 70 70 ** Operating: 10 ~~ 95% (Non-Condensing) 71 71 * LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 72 72 * LoRa Rx current: <9 mA 83 +* I/O Voltage: 3.3v 73 73 74 -== 1.4 PinMapping& LED==85 +== 1.4 AT Command == 75 75 76 76 77 - [[image:image-20220813183239-3.png||height="526"width="662"]]88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in AT Command documents. 78 78 79 79 80 -== 1.5 Example: Send & Get Messages via LoRaWAN in PC == 81 81 92 +== 1.5 Dimension == 82 82 94 +[[image:image-20220718094750-3.png]] 95 + 96 + 97 + 98 +== 1.6 Pin Mapping == 99 + 100 +[[image:image-20220720111850-1.png]] 101 + 102 + 103 + 104 +== 1.7 Land Pattern == 105 + 106 +[[image:image-20220517072821-2.png]] 107 + 108 + 109 + 110 += 2. LA66 LoRaWAN Shield = 111 + 112 + 113 +== 2.1 Overview == 114 + 115 + 83 83 ((( 84 - Assume useralreadyinput theLA66 USB LoRaWAN Adapter OTAA KeysinTTN andereisalreadyTTNnetworkcoverage.117 +[[image:image-20220715000826-2.png||height="145" width="220"]] 85 85 ))) 86 86 87 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 120 +((( 121 + 122 +))) 88 88 89 -[[image:image-20220723100027-1.png]] 124 +((( 125 +(% style="color:blue" %)**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. 126 +))) 90 90 128 +((( 129 +((( 130 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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. 131 +))) 132 +))) 91 91 92 -Open the serial port tool 134 +((( 135 +((( 136 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 137 +))) 138 +))) 93 93 94 -[[image:image-20220602161617-8.png]] 140 +((( 141 +((( 142 +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. 143 +))) 144 +))) 95 95 146 +((( 147 +((( 148 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 149 +))) 150 +))) 96 96 97 -[[image:image-20220602161718-9.png||height="457" width="800"]] 98 98 99 99 100 - (% style="color:blue"%)**2.Press the reset switch RST on the LA66 USB LoRaWAN Adapterto resetit.**154 +== 2.2 Features == 101 101 102 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 156 +* Arduino Shield base on LA66 LoRaWAN module 157 +* Support LoRaWAN v1.0.4 protocol 158 +* Support peer-to-peer protocol 159 +* TCXO crystal to ensure RF performance on low temperature 160 +* SMA connector 161 +* Available in different frequency LoRaWAN frequency bands. 162 +* World-wide unique OTAA keys. 163 +* AT Command via UART-TTL interface 164 +* Firmware upgradable via UART interface 165 +* Ultra-long RF range 103 103 104 - [[image:image-20220602161935-10.png||height="498" width="800"]]167 +== 2.3 Specification == 105 105 169 +* CPU: 32-bit 48 MHz 170 +* Flash: 256KB 171 +* RAM: 64KB 172 +* Input Power Range: 1.8v ~~ 3.7v 173 +* Power Consumption: < 4uA. 174 +* Frequency Range: 150 MHz ~~ 960 MHz 175 +* Maximum Power +22 dBm constant RF output 176 +* High sensitivity: -148 dBm 177 +* Temperature: 178 +** Storage: -55 ~~ +125℃ 179 +** Operating: -40 ~~ +85℃ 180 +* Humidity: 181 +** Storage: 5 ~~ 95% (Non-Condensing) 182 +** Operating: 10 ~~ 95% (Non-Condensing) 183 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 184 +* LoRa Rx current: <9 mA 185 +* I/O Voltage: 3.3v 106 106 107 - (% style="color:blue"%)**3.SeeUplink Command**187 +== 2.4 LED == 108 108 109 -Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 189 +~1. The LED lights up red when there is an upstream data packet 190 +2. When the network is successfully connected, the green light will be on for 5 seconds 191 +3. Purple light on when receiving downlink data packets 110 110 111 -example: AT+SENDB=01,02,8,05820802581ea0a5 112 112 113 - [[image:image-20220602162157-11.png||height="497"width="800"]]194 +== 2.5 Example: Use AT Command to communicate with LA66 module via Arduino UNO. == 114 114 196 +Show connection diagram: 115 115 116 - (% style="color:blue" %)**4.Checktoseeif TTN receivede message**198 +[[image:image-20220723170210-2.png||height="908" width="681"]] 117 117 118 - [[image:image-20220817093644-1.png]]200 +1.open Arduino IDE 119 119 202 +[[image:image-20220723170545-4.png]] 120 120 121 - == 1.6 Example:How tojoin helium ==204 +2.Open project 122 122 206 +[[image:image-20220723170750-5.png]] 123 123 124 - (%style="color:blue"%)**1.Create a newdevice.**208 +3.Click the button marked 1 in the figure to compile, and after the compilation is complete, click the button marked 2 in the figure to upload 125 125 126 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165500-1.png?width=940&height=464&rev=1.1||alt="image-20220907165500-1.png"]]210 +[[image:image-20220723171228-6.png]] 127 127 212 +4.After the upload is successful, open the serial port monitoring and send the AT command 128 128 129 -(% style="color:blue" %)**2. Save the device after filling in the necessary information.** 130 130 131 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907165837-2.png?width=809&height=375&rev=1.1||alt="image-20220907165837-2.png"height="375" width="809"]]215 +== 2.6 Example: Join TTN network and send an uplink message, get downlink message. == 132 132 133 133 134 -(% style="color:blue" %)**3. Use AT commands.** 135 135 136 - [[image:image-20220909151441-1.jpeg||height="695"width="521"]]219 +== 2.7 Example: Log Temperature Sensor(DHT11) and send data to TTN, show it in DataCake. == 137 137 138 138 139 -(% style="color:blue" %)**4. Use the serial port tool** 140 140 141 - [[image:image-20220909151517-2.png||height="543" width="708"]]223 +== 2.8 Upgrade Firmware of LA66 LoRaWAN Shield == 142 142 143 143 144 - (% style="color:blue"%)**5.UsecommandAT+CFG to getdeviceconfiguration**226 +=== 2.8.1 Items needed for update === 145 145 146 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170308-3.png?width=617&height=556&rev=1.1||alt="image-20220907170308-3.png" height="556" width="617"]] 228 +1. LA66 LoRaWAN Shield 229 +1. Arduino 230 +1. USB TO TTL Adapter 147 147 232 +[[image:image-20220602100052-2.png||height="385" width="600"]] 148 148 149 -(% style="color:blue" %)**6. Network successfully.** 150 150 151 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170436-4.png?rev=1.1||alt="image-20220907170436-4.png"]]235 +=== 2.8.2 Connection === 152 152 153 153 154 - (% style="color:blue" %)**7.Send uplink usingcommand**238 +[[image:image-20220602101311-3.png||height="276" width="600"]] 155 155 156 -[[image:image-20220912085244-1.png]] 157 157 158 -[[image:image-20220912085307-2.png]] 241 +((( 242 +(% style="color:blue" %)**LA66 LoRaWAN Shield**(%%) **<->** (% style="color:blue" %)**USB TTL** 243 +))) 159 159 245 +((( 246 +(% style="background-color:yellow" %)**GND <-> GND 247 +TXD <-> TXD 248 +RXD <-> RXD** 249 +))) 160 160 161 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220907170744-6.png?width=798&height=242&rev=1.1||alt="image-20220907170744-6.png" height="242" width="798"]] 162 162 252 +Put a jumper cap on JP6 of LA66 LoRaWAN Shield. ( the jumper is to power on LA66 module) 163 163 164 - ==1.7Example:SendPC'sCPU/RAM usagetoTTN viapython==254 +Connect USB TTL Adapter to PC after connecting the wires 165 165 166 166 167 - **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]]257 +[[image:image-20220602102240-4.png||height="304" width="600"]] 168 168 169 -(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]]) 170 170 260 +=== 2.8.3 Upgrade steps === 171 171 172 -(% style="color:red" %)**Preconditions:** 173 173 174 - (% style="color:red"%)**1.LA66USBLoRaWANAdapterworksfine**263 +==== 1. Switch SW1 to put in ISP position ==== 175 175 176 -(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 177 177 266 +[[image:image-20220602102824-5.png||height="306" width="600"]] 178 178 179 -(% style="color:blue" %)**Steps for usage:** 180 180 181 -(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 182 182 183 - (% style="color:blue"%)**2.**(%%)Add[[decoder>>https://github.com/dragino/dragino-end-node-decoder/tree/main/LA66%20USB]]on TTN270 +==== 2. Press the RST switch once ==== 184 184 185 -(% style="color:blue" %)**3.**(%%) Run the python script in PC and see the TTN 186 186 273 +[[image:image-20220602104701-12.png||height="285" width="600"]] 187 187 188 -[[image:image-20220602115852-3.png||height="450" width="1187"]] 189 189 190 190 191 -== 1.8Example: Send& GetMessagesviaLoRaWANinRPi==277 +==== 3. Open the Upgrade tool (Tremo Programmer) in PC and Upgrade ==== 192 192 193 193 194 -Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 280 +((( 281 +(% 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/]]** 282 +))) 195 195 196 -(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 197 197 198 -[[image:image-20220 723100439-2.png]]285 +[[image:image-20220602103227-6.png]] 199 199 200 200 201 - (% style="color:blue" %)**2.Install Minicom in RPi.**288 +[[image:image-20220602103357-7.png]] 202 202 203 -(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 204 204 205 - (% style="background-color:yellow" %)**apt update** 206 206 207 - (% style="background-color:yellow" %)**apt install minicom** 292 +(% class="wikigeneratedid" id="HSelecttheCOMportcorrespondingtoUSBTTL" %) 293 +(% style="color:blue" %)**2. Select the COM port corresponding to USB TTL** 208 208 209 -Use minicom to connect to the RPI's terminal 210 210 211 -[[image:image-202206021 53146-3.png||height="439" width="500"]]296 +[[image:image-20220602103844-8.png]] 212 212 213 213 214 -(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 215 215 216 -The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 300 +(% class="wikigeneratedid" id="HSelectthebinfiletoburn" %) 301 +(% style="color:blue" %)**3. Select the bin file to burn** 217 217 218 -[[image:image-20220602154928-5.png||height="436" width="500"]] 219 219 304 +[[image:image-20220602104144-9.png]] 220 220 221 -(% style="color:blue" %)**4. Send Uplink message** 222 222 223 - Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>**307 +[[image:image-20220602104251-10.png]] 224 224 225 -example: AT+SENDB=01,02,8,05820802581ea0a5 226 226 227 -[[image:image-202206021 60339-6.png||height="517" width="600"]]310 +[[image:image-20220602104402-11.png]] 228 228 229 229 230 -Check to see if TTN received the message 231 231 314 +(% class="wikigeneratedid" id="HClicktostartthedownload" %) 315 +(% style="color:blue" %)**4. Click to start the download** 232 232 233 -[[image:image-202206021 60627-7.png||height="369" width="800"]]317 +[[image:image-20220602104923-13.png]] 234 234 235 235 236 -== 1.9 Example: Use of LA66 USB LoRaWAN Adapter and mobile APP == 237 237 238 -=== 1.9.1 Hardware and Software Connection === 321 +(% class="wikigeneratedid" id="HThefollowingfigureappearstoprovethattheburningisinprogress" %) 322 +(% style="color:blue" %)**5. Check update process** 239 239 240 240 241 - ==== (% style="color:blue" %)**Overview:**(%%) ====325 +[[image:image-20220602104948-14.png]] 242 242 327 + 328 + 329 +(% class="wikigeneratedid" id="HThefollowingpictureappearstoprovethattheburningissuccessful" %) 330 +(% style="color:blue" %)**The following picture shows that the burning is successful** 331 + 332 +[[image:image-20220602105251-15.png]] 333 + 334 + 335 + 336 += 3. LA66 USB LoRaWAN Adapter = 337 + 338 + 339 +== 3.1 Overview == 340 + 341 + 342 +[[image:image-20220715001142-3.png||height="145" width="220"]] 343 + 344 + 243 243 ((( 244 -DRAGINO-LA66-APP is an Open Source mobile APP for LA66 USB LoRaWAN Adapter. DRAGINO-LA66-APP has below features: 346 +(% style="color:blue" %)**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. 347 +))) 245 245 246 -* Send real-time location information of mobile phone to LoRaWAN network. 247 -* Check LoRaWAN network signal strengh. 248 -* Manually send messages to LoRaWAN network. 349 +((( 350 +(% style="color:blue" %)**LA66**(%%) is a ready-to-use module that includes the (% style="color:blue" %)**LoRaWAN v1.0.3 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. 249 249 ))) 250 250 353 +((( 354 +Each LA66 module includes a (% style="color:blue" %)**world-unique OTAA key**(%%) for LoRaWAN registration. 355 +))) 251 251 357 +((( 358 +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. 359 +))) 252 252 253 -==== (% style="color:blue" %)**Hardware Connection:**(%%) ==== 361 +((( 362 +LA66 is equipped with (% style="color:blue" %)**TCXO crystal**(%%) which ensures the module can achieve stable performance in extreme temperatures. 363 +))) 254 254 255 -A USB to Type-C adapter is needed to connect to a Mobile phone. 256 256 257 -Note: The package of LA66 USB adapter already includes this USB Type-C adapter. 258 258 259 - [[image:image-20220813174353-2.png||height="360"width="313"]]367 +== 3.2 Features == 260 260 369 +* LoRaWAN USB adapter base on LA66 LoRaWAN module 370 +* Ultra-long RF range 371 +* Support LoRaWAN v1.0.4 protocol 372 +* Support peer-to-peer protocol 373 +* TCXO crystal to ensure RF performance on low temperature 374 +* Spring RF antenna 375 +* Available in different frequency LoRaWAN frequency bands. 376 +* World-wide unique OTAA keys. 377 +* AT Command via UART-TTL interface 378 +* Firmware upgradable via UART interface 379 +* Open Source Mobile App for LoRaWAN signal detect and GPS tracking. 261 261 262 -== ==(%style="color:blue" %)**Downloadand Install App:**(%%)====381 +== 3.3 Specification == 263 263 264 -[[(% id="cke_bm_895007S" style="display:none" %)** **(%%)**Download Link for Android apk **>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]. (Android Version Only) 383 +* CPU: 32-bit 48 MHz 384 +* Flash: 256KB 385 +* RAM: 64KB 386 +* Input Power Range: 5v 387 +* Frequency Range: 150 MHz ~~ 960 MHz 388 +* Maximum Power +22 dBm constant RF output 389 +* High sensitivity: -148 dBm 390 +* Temperature: 391 +** Storage: -55 ~~ +125℃ 392 +** Operating: -40 ~~ +85℃ 393 +* Humidity: 394 +** Storage: 5 ~~ 95% (Non-Condensing) 395 +** Operating: 10 ~~ 95% (Non-Condensing) 396 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm 397 +* LoRa Rx current: <9 mA 265 265 266 - [[image:image-20220813173738-1.png]]399 +== 3.4 Pin Mapping & LED == 267 267 268 268 269 -==== (% style="color:blue" %)**Use of APP:**(%%) ==== 270 270 271 - Functionandpage introduction:403 +== 3.5 Example: Send & Get Messages via LoRaWAN in PC == 272 272 273 -[[image:image-20220723113448-7.png||height="995" width="450"]] 274 274 406 +((( 407 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 408 +))) 275 275 276 -(% style="color:blue" %)**Block Explain:** 277 277 278 - 1.Display LA66 USB LoRaWANModuleconnectionstatus411 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN adapter to PC** 279 279 280 -2. Check and reconnect 281 281 282 - 3. Turn send timestamps onor off414 +[[image:image-20220723100027-1.png]] 283 283 284 -4. Display LoRaWan connection status 285 285 286 - 5.CheckLoRaWanconnectionstatus417 +Open the serial port tool 287 287 288 - 6. The RSSI valueof the node when the ACKis received419 +[[image:image-20220602161617-8.png]] 289 289 290 - 7. Node's Signal StrengthIcon421 +[[image:image-20220602161718-9.png||height="457" width="800"]] 291 291 292 -8. Configure Location Uplink Interval 293 293 294 -9. AT command input box 295 295 296 - 10.SendButton:Sendinputboxinfo toLA66 USB Adapter425 +(% style="color:blue" %)**2. Press the reset switch RST on the LA66 USB LoRaWAN Adapter to reset it.** 297 297 298 - 11.OutputLogfromLA66 USB adapter427 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully Join the LoRaWAN network 299 299 300 -12. clear log button 301 301 302 -13. xitbutton430 +[[image:image-20220602161935-10.png||height="498" width="800"]] 303 303 304 304 305 -LA66 USB LoRaWAN Module not connected: 306 306 307 - [[image:image-20220723110520-5.png||height="677"width="508"]]434 +(% style="color:blue" %)**3. See Uplink Command** 308 308 436 +Command format: (% style="color:#4472c4" %)** AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 309 309 310 - ConnectLA66 USB LoRaWANModule:438 +example: AT+SENDB=01,02,8,05820802581ea0a5 311 311 312 -[[image:image-20220 723110626-6.png||height="681" width="511"]]440 +[[image:image-20220602162157-11.png||height="497" width="800"]] 313 313 314 314 315 -=== 1.9.2 Send data to TTNv3 and plot location info in Node-Red === 316 316 444 +(% style="color:blue" %)**4. Check to see if TTN received the message** 317 317 318 - (% style="color:blue" %)**1.RegisterLA66 USB LoRaWAN Moduleto TTNV3**446 +[[image:image-20220602162331-12.png||height="420" width="800"]] 319 319 320 320 321 -[[image:image-20220723134549-8.png]] 322 322 450 +== 3.6 Example: Send PC's CPU/RAM usage to TTN via python == 323 323 324 324 325 - (%style="color:blue" %)**2. Open Node-RED,Andmporthe JSONfiletoeneratethe flow**453 +**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]] 326 326 455 +(**Raspberry Pi example: **[[https:~~/~~/github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py>>https://github.com/dragino/LA66/blob/main/Send_information_to_TTN_Raspberry%20Pi.py]]) 327 327 328 - SampleJSON filepleasego to**[[this link>>https://www.dropbox.com/sh/zxwx16qb777uvkz/AABE_P8coGCQ4DAC8enH4bUya?dl=0]]**todownload.457 +(% style="color:red" %)**Preconditions:** 329 329 330 - Fortheusageof Node-RED,pleasereferto: [[http:~~/~~/wiki.dragino.com/xwiki/bin/view/Main/Node-RED/>>http://wiki.dragino.com/xwiki/bin/view/Main/Node-RED/]]459 +(% style="color:red" %)**1. LA66 USB LoRaWAN Adapter works fine** 331 331 332 - AfterseeLoRaWANOnline, walk aroundndtheAPP willkeep sendinglocation info to LoRaWANserver and thento theNode Red.461 +(% style="color:red" %)**2. LA66 USB LoRaWAN Adapter is registered with TTN** 333 333 334 -LA66~-~-node-red~-~-decoder:[[dragino-end-node-decoder/Node-RED at main · dragino/dragino-end-node-decoder · GitHub>>url:https://github.com/dragino/dragino-end-node-decoder/tree/main/Node-RED]] 335 335 336 336 337 - Exampleutin NodeRediss below:465 +(% style="color:blue" %)**Steps for usage:** 338 338 339 - [[image:image-20220723144339-1.png]]467 +(% style="color:blue" %)**1.**(%%) Press the reset switch RESET on the LA66 USB LoRaWAN Adapter 340 340 469 +(% style="color:blue" %)**2.**(%%) Run the python script in PC and see the TTN 341 341 342 - == 1.10 UpgradeFirmwareof LA66 USB LoRaWAN Adapter==471 +[[image:image-20220602115852-3.png||height="450" width="1187"]] 343 343 344 344 345 -The LA66 USB LoRaWAN Adapter is the same as the LA66 LoRaWAN Shield update method. 346 346 347 - Justusethe yellow jumpercap to short theBOOT corner andtheRX corner, andthenpresstheRESET button (without the jumper cap,you candirectly short the BOOT cornerand theRX corner witha wire to achieve the same effect).475 +== 3.7 Example: Send & Get Messages via LoRaWAN in RPi == 348 348 349 -(% style="color:red" %)**Notice: If upgrade via USB hub is not sucessful. try to connect to PC directly.** 350 350 351 - [[image:image-20220723150132-2.png]]478 +Assume user already input the LA66 USB LoRaWAN Adapter OTAA Keys in TTN and there is already TTN network coverage. 352 352 353 353 354 - ===(% style="color:blue" %)**Open the Upgrade tool(TremoProgrammer)inPC and Upgrade**(%%) ===481 +(% style="color:blue" %)**1. Connect the LA66 USB LoRaWAN Adapter to the Raspberry Pi** 355 355 483 +[[image:image-20220723100439-2.png]] 356 356 357 -**1. Software download link: [[https:~~/~~/www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0>>url:https://www.dropbox.com/sh/j0qyc7a9ejit7jk/AACtx2tK4gEv6YFXMIVUM4dLa?dl=0]]** 358 358 359 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103227-6.png?rev=1.1||alt="image-20220602103227-6.png"]] 360 360 361 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103357-7.png?rev=1.1||alt="image-20220602103357-7.png"]]487 +(% style="color:blue" %)**2. Install Minicom in RPi.** 362 362 489 +(% id="cke_bm_509388S" style="display:none" %) (%%)Enter the following command in the RPi terminal 363 363 364 - **2.SelecttheCOM portcorrespondingtoUSB TTL**491 + (% style="background-color:yellow" %)**apt update** 365 365 366 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602103844-8.png?rev=1.1||alt="image-20220602103844-8.png"]]493 + (% style="background-color:yellow" %)**apt install minicom** 367 367 368 368 369 - **3. Selectthebinfile toburn**496 +Use minicom to connect to the RPI's terminal 370 370 371 -[[image: http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104144-9.png?rev=1.1||alt="image-20220602104144-9.png"]]498 +[[image:image-20220602153146-3.png||height="439" width="500"]] 372 372 373 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104251-10.png?rev=1.1||alt="image-20220602104251-10.png"]] 374 374 375 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104402-11.png?rev=1.1||alt="image-20220602104402-11.png"]] 376 376 502 +(% style="color:blue" %)**3. Press the reset switch RST on the LA66 USB LoRaWAN Adapter.** 377 377 378 - **4.Clicktostart thedownload**504 +The following picture appears to prove that the LA66 USB LoRaWAN Adapter successfully entered the network. 379 379 380 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104923-13.png?rev=1.1||alt="image-20220602104923-13.png"]] 381 381 507 +[[image:image-20220602154928-5.png||height="436" width="500"]] 382 382 383 -**5. Check update process** 384 384 385 -[[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602104948-14.png?rev=1.1||alt="image-20220602104948-14.png"]] 386 386 511 +(% style="color:blue" %)**4. Send Uplink message** 387 387 388 - **The following picture shows that theburning issuccessful**513 +Format: (% style="color:#4472c4" %)**AT+SENDB=<confirn_status>,<Fport>,<data_len>,<data>** 389 389 390 - [[image:http://wiki.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LA66%20LoRaWAN%20Shield%20User%20Manual/WebHome/image-20220602105251-15.png?rev=1.1||alt="image-20220602105251-15.png"]]515 +example: AT+SENDB=01,02,8,05820802581ea0a5 391 391 392 392 393 - =2.FAQ=518 +[[image:image-20220602160339-6.png||height="517" width="600"]] 394 394 395 -== 2.1 How to Compile Source Code for LA66? == 396 396 397 397 398 -C ompileand Upload CodetoASR6601 Platform :[[Instruction>>Main.UserManualforLoRaWANEnd Nodes.LA66 LoRaWAN Module.CompileandUpload Codeto ASR6601 Platform.WebHome]]522 +Check to see if TTN received the message 399 399 524 +[[image:image-20220602160627-7.png||height="369" width="800"]] 400 400 401 -== 2.2 Where to find Peer-to-Peer firmware of LA66? == 402 402 403 403 404 - InstructionforLA66 Peer to Peer firmware[[Instruction >>doc:Main.UserManual forLoRaWAN End Nodes.LA66 LoRaWANShieldUserManual.InstructionforLA66eer toPeer firmware.WebHome]]528 +== 3.8 Example: Use of LA66 USB LoRaWAN Module and DRAGINO-LA66-APP. == 405 405 530 +=== 3.8.1 DRAGINO-LA66-APP === 406 406 407 - == 2.3 My device keeps showing invalid credentials, the devicegoes into lowpower mode ==532 +[[image:image-20220723102027-3.png]] 408 408 534 +==== Overview: ==== 409 409 410 - Setthe AT+COMMAND:(%style="color:blue"%)**AT+UUID=666666666666**536 +DRAGINO-LA66-APP is a mobile APP for LA66 USB LoRaWAN Module. DRAGINO-LA66-APP can obtain the positioning information of the mobile phone and send it to the LoRaWAN platform through the LA66 USB LoRaWAN Module. 411 411 538 +View the communication signal strength between the node and the gateway through the RSSI value(DRAGINO-LA66-APP currently only supports Android system) 412 412 413 -== 2.4 How to use external antenna via ipex connector?==540 +==== Conditions of Use: ==== 414 414 542 +Requires a type-c to USB adapter 415 415 416 -You need to remove the spring antenna first, and also remove the resistor and capacitor. 417 -Connect external antenna. 544 +[[image:image-20220723104754-4.png]] 418 418 419 - [[image:image-20231129155939-1.png||height="529"width="397"]]546 +==== Use of APP: ==== 420 420 548 +Function and page introduction 421 421 422 - =3.OrderInfo=550 +[[image:image-20220723113448-7.png||height="1481" width="670"]] 423 423 552 +1.Display LA66 USB LoRaWAN Module connection status 424 424 425 - **PartNumber:** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX**554 +2.Check and reconnect 426 426 556 +3.Turn send timestamps on or off 427 427 428 - (%style="color:blue"%)**XXX**(%%): The defaultfrequencyband558 +4.Display LoRaWan connection status 429 429 430 -* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 431 -* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 432 -* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 433 -* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 434 -* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 435 -* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 436 -* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 437 -* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 438 -* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 560 +5.Check LoRaWan connection status 439 439 440 - = 4.rence=562 +6.The RSSI value of the node when the ACK is received 441 441 564 +7.Node's Signal Strength Icon 442 442 443 -* Hardware Design File for LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]] 444 -* Mobile Phone App Source Code: [[Download>>https://github.com/dragino/LA66_Mobile_App]]. 566 +8.Set the packet sending interval of the node in seconds 445 445 446 - = 5.FCC Statement=568 +9.AT command input box 447 447 570 +10.Send AT command button 448 448 449 - (%style="color:red"%)**FCC Caution:**572 +11.Node log box 450 450 451 - Any Changes or modifications not expressly approved by the partyresponsible forcompliance could voidthe user's authority to operate the equipment.574 +12.clear log button 452 452 453 - This device complies with part15 of the FCC Rules.Operation is subjectto the following two conditions: (1) This device may not cause harmful interference, and (2)this device must accept any interference received, including interference that may cause undesiredoperation.576 +13.exit button 454 454 578 +LA66 USB LoRaWAN Module not connected 455 455 456 - (% style="color:red"%)**IMPORTANT NOTE: **580 +[[image:image-20220723110520-5.png||height="903" width="677"]] 457 457 458 - (% style="color:red" %)**Note:**(%%) This equipment has beentested and found tocomply withthelimits for a ClassBdigital device, pursuant topart 15 of the FCCRules. These limitsaredesigned toprovide reasonable protection against harmfulinterference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:582 +Connect LA66 USB LoRaWAN Module 459 459 460 - —Reorient or relocatethereceivingantenna.584 +[[image:image-20220723110626-6.png||height="906" width="680"]] 461 461 462 - —Increase theseparationbetween theequipmentand receiver.586 +=== 3.8.2 Use DRAGINO-LA66-APP to obtain positioning information and send it to TTNV3 through LA66 USB LoRaWAN Module and integrate it into Node-RED === 463 463 464 - —Connecttheequipmentintoanoutleton a circuitdifferent fromthat to which the receiver is connected.588 +1.Register LA66 USB LoRaWAN Module to TTNV3 465 465 466 - —Consult the dealer or an experienced radio/TV technician for help.590 +[[image:image-20220723134549-8.png]] 467 467 592 +2.Open Node-RED,And import the JSON file to generate the flow 468 468 469 - (% style="color:red"%)**FCCRadiationExposureStatement:**594 +Sample JSON file please go to this link to download:放置JSON文件的链接 470 470 471 - This equipment complieswithFCC radiationexposure limitssetforthforan uncontrolled environment.This equipment shouldbeinstalledandoperatedwith minimum distance20cm between the radiator& your body.596 +For the usage of Node-RED, please refer to: [[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/>>http://8.211.40.43:8080/xwiki/bin/view/Main/Node-RED/]] 472 472 473 - 598 +The following is the positioning effect map 599 + 600 +[[image:image-20220723144339-1.png]] 601 + 602 +== 3.9 Upgrade Firmware of LA66 USB LoRaWAN Adapter == 603 + 604 +The LA66 USB LoRaWAN Module is the same as the LA66 LoRaWAN Shield update method 605 + 606 +Just use the yellow jumper cap to short the BOOT corner and the RX corner, and then press the RESET button (without the jumper cap, you can directly short the BOOT corner and the RX corner with a wire to achieve the same effect) 607 + 608 +[[image:image-20220723150132-2.png]] 609 + 610 + 611 += 4. Order Info = 612 + 613 + 614 +**Part Number:** (% style="color:blue" %)**LA66-XXX**(%%), (% style="color:blue" %)**LA66-LoRaWAN-Shield-XXX** (%%) **or** (% style="color:blue" %)**LA66-USB-LoRaWAN-Adapter-XXX** 615 + 616 + 617 +(% style="color:blue" %)**XXX**(%%): The default frequency band 618 + 619 +* (% style="color:red" %)**AS923**(%%): LoRaWAN AS923 band 620 +* (% style="color:red" %)**AU915**(%%): LoRaWAN AU915 band 621 +* (% style="color:red" %)**EU433**(%%): LoRaWAN EU433 band 622 +* (% style="color:red" %)**EU868**(%%): LoRaWAN EU868 band 623 +* (% style="color:red" %)**KR920**(%%): LoRaWAN KR920 band 624 +* (% style="color:red" %)**US915**(%%): LoRaWAN US915 band 625 +* (% style="color:red" %)**IN865**(%%): LoRaWAN IN865 band 626 +* (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 627 +* (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 628 + 629 += 5. Reference = 630 + 631 +* Hardware Design File for LA66 LoRaWAN Shield, LA66 USB LoRaWAN Adapter : [[Download>>https://www.dropbox.com/sh/a3wbmdcvqjxaqw5/AADZfvAiykJTK624RgMquH86a?dl=0]]
- image-20220723173950-11.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -121.9 KB - Content
- image-20220723175700-12.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -96.4 KB - Content
- image-20220726135239-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -91.4 KB - Content
- image-20220726135356-2.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -45.6 KB - Content
- image-20220813173738-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -13.2 KB - Content
- image-20220813174353-2.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -189.1 KB - Content
- image-20220813183239-3.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -642.4 KB - Content
- image-20220814101457-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -913.4 KB - Content
- image-20220817084245-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -317.6 KB - Content
- image-20220817084532-1.jpeg
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -174.9 KB - Content
- image-20220817093644-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -217.0 KB - Content
- image-20220909151441-1.jpeg
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Bei - Size
-
... ... @@ -1,1 +1,0 @@ 1 -152.4 KB - Content
- image-20220909151517-2.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Bei - Size
-
... ... @@ -1,1 +1,0 @@ 1 -64.3 KB - Content
- image-20220912085244-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -1.7 KB - Content
- image-20220912085307-2.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -16.7 KB - Content
- image-20231129155939-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Bei - Size
-
... ... @@ -1,1 +1,0 @@ 1 -4.6 MB - Content
- image-20240101111021-1.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Edwin - Size
-
... ... @@ -1,1 +1,0 @@ 1 -11.2 KB - Content
- image-20240101111030-2.png
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Edwin - Size
-
... ... @@ -1,1 +1,0 @@ 1 -11.2 KB - Content