Changes for page PG1302 -- LoRaWAN Concentrator User Manual
Last modified by Kilight Cao on 2024/06/22 10:43
Summary
-
Page properties (2 modified, 0 added, 0 removed)
-
Attachments (0 modified, 0 added, 1 removed)
Details
- Page properties
-
- Title
-
... ... @@ -1,1 +1,1 @@ 1 -PG1302 - LoRaWAN Concentrator User Manual1 +PG1302 - Content
-
... ... @@ -1,11 +1,12 @@ 1 1 (% style="text-align:center" %) 2 -[[image:i mage-20220616085956-1.jpeg||height="609" width="609"]]2 +[[image:Main.User Manual for All Gateway models.WebHome@pg1302.jpg]] 3 3 4 4 5 5 6 +**PG1302 LoRaWAN Concentrator User Manual** 6 6 7 -**Table of Contents:** 8 8 9 + 9 9 {{toc/}} 10 10 11 11 ... ... @@ -14,20 +14,19 @@ 14 14 15 15 ))) 16 16 17 -= **1. Introduction**=18 +=== 1. Introduction === 18 18 19 -== **1.1 What is PG1302 LoRaWAN Concentrator?**==20 +==== 1.1 What is PG1302 LoRaWAN Concentrator? ==== 20 20 22 +The PG1302 is a multi-channel high performance transmitter/receiver designed to simultaneously receive several LoRa packets using random spreading factors on random channels. Its goal is to enable robust connection between a central wireless data concentrator and a massive amount of wireless end-points spread over a very wide range of distances. 21 21 22 -The PG1302 is a (% style="color:green"%)**multi-channelhigh-performancetransmitter/receiver**(%%)designedtosimultaneouslyreceiveseveralLoRa packets usingrandom spreadingfactorson randomchannels. Itsgoalisto enable robustconnectionbetweenacentralwirelessdata concentratorand amassiveamount of wirelessend-points spreadover avery widerangeof distances.24 +The PG1302 is design to use with Raspberry Pi to build smart metering fixed networks and Internet of Things applications with up to 5000 nodes per km2 in moderately interfered environment. 23 23 24 - ThePG1302 isdesignedtouse with RaspberryPitobuildsmartmeteringfixednetworks andInternet of Thingsapplicationswithup to5000 nodesperkm2in amoderatelyinterferedenvironment.26 +PG1302 is fully compatible with RPi3/4, users can use the pre-build OS from Dragino to set up and easy to use the module by Web UI. Or install the raw lorawan driver in the exist OS. 25 25 26 -PG1302 is fully compatible with (% style="color:green" %)**RPi3/4 or Tinker Board**(%%), users can use the pre-build OS from Dragino to set up and easy to use the module by Web UI. Or install the raw LoRaWAN driver in the existing OS. 27 27 29 +==== 1.2 Features ==== 28 28 29 -== **1.2 Features** == 30 - 31 31 * Base on Semtech SX1302 solution 32 32 * Support Raspberry Pi 3B/3B+/4 33 33 * Up to -140dBm sensitivity ... ... @@ -35,33 +35,33 @@ 35 35 * Mini-PCIe Interface 36 36 * Converter board to support Raspberry Pi 37 37 38 +==== 1.3 General Interfaces ==== 38 38 39 - 40 -== **1.3 General Interfaces** == 41 - 42 42 * SPI interface for LoRa 43 43 * Power Input: 5v, 1A 44 44 * 1 x I-PEX for LoRa 45 45 44 +==== 1.4 Pin Mapping ==== 46 46 46 + [[image:1651743282627-547.png||height="402" width="425"]] 47 47 48 48 49 -== **1.4 Pin Mapping** == 50 50 51 - [[image:1651743282627-547.png||height="402"width="425"]]50 +==== 1.5 LEDs ==== 52 52 53 -== **1.5 LEDs** == 54 - 55 55 TX: Blink when transmit a packet 56 56 RX: Blink when receive a packet 57 57 Config: Always ON 58 58 59 -== **1.6 Power Consumption** == 60 60 57 + 58 +==== 1.6 Power Consumption ==== 59 + 61 61 TBD 62 62 63 -== **1.7 Applications** == 64 64 63 +==== 1.7 Applications ==== 64 + 65 65 * Smart Buildings & Home Automation 66 66 * Logistics and Supply Chain Management 67 67 * Smart Metering ... ... @@ -69,41 +69,47 @@ 69 69 * Smart Cities 70 70 * Smart Factory 71 71 72 -= **2. Example: Set up as LoRaWAN gateway.**=72 +=== 2. Example: Set up as LoRaWAN gateway. === 73 73 74 -== **2.1 System structure**==74 +==== 2.1 System structure ==== 75 75 76 - 77 77 This example is an example to show how to set up the PG1302 + RPi as a LoRaWAN gateway to use with [[TheThingsNetwork>>url:http://www.thethingsnetwork.org/]](TTN) LoRaWAN server. Set up method for other server are similar. 78 78 79 79 [[image:1651743698677-436.png||height="457" width="686"]] 80 80 81 81 82 -== **2.2 Hardware Installation** == 83 83 84 - (% style="color:red"%)**ImportantNotice: Please powerthe RPI with5V,3A cable.**82 +==== 2.2 Hardware Installation ==== 85 85 84 +**Important Notice: **Please power the RPI with 5V,3A cable. 85 + 86 86 [[image:1651743803032-803.png]] 87 87 88 88 89 -= **3. Install the software?** = 90 90 91 - Therearetwo ways to install the softwarein RPi4 to use PG1302.90 +=== 3. Install the software? === 92 92 93 -* Flash SD card with Dragino pre-build image which supports Web UI. 94 -* Install Lora packet forwarder in existing RPi OS. 92 +There are two ways to install software in RPi4 to use PG1302. 95 95 96 -= **4. Flash with pre-build image** = 94 +* Flash SD card with Dragino pre-build image which support Web UI. 95 +* Install lora packet forwarder in existing RPi OS. 97 97 98 -== **4.1Downloadthedraginoimagefor RPI**==97 +=== 4. Flash with pre-build image === 99 99 99 +==== 4.1 Download the dragino image for RPI ==== 100 + 101 +((( 100 100 Download PG1302_for_Rpi4_64_with_webui from 103 +))) 104 + 105 +((( 101 101 [[https:~~/~~/www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0>>https://www.dropbox.com/sh/f6nbldh1qbspya5/AACgL6pDkwdBQO1BQqq_Nubwa?dl=0]] 107 +))) 102 102 103 103 104 -== **4.2 Flash the image toanSD card**==110 +==== 4.2 Flash the image to SD card ==== 105 105 106 -Flash the image to theSD card:112 +Flash the image to SD card: 107 107 108 108 [[image:1651744119133-233.png||height="373" width="621"]] 109 109 ... ... @@ -112,7 +112,7 @@ 112 112 [[https:~~/~~/www.balena.io/etcher/>>https://www.balena.io/etcher/]] 113 113 114 114 115 -== **4.3 Access the Linux console**==121 +==== 4.3 Access the Linux console ==== 116 116 117 117 Connect the RPI Ethernet port to your router, RPi will 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 RPI. You can use this IP to connect the WEB UI or SSH access of RPI. Make sure your PC and the RPI is in the same network, then use a SSH tool (such as [[putty>>url:http://www.chiark.greenend.org.uk/~~sgtatham/putty/download.html]]) to access it. Below are screenshots 118 118 ... ... @@ -120,52 +120,56 @@ 120 120 121 121 The account details for Web Login are: 122 122 129 +**~ User Name: root** 130 + 131 +**~ Password: dragino** 132 + 133 + 134 +**~ Backup account** 135 + 136 +**~ Pi/dragino** 137 + 138 +After log in, you will be in the Linux console and type command here. 139 + 140 +[[image:1651744358515-107.png||height="366" width="581"]] 141 + 142 + 143 +==== 4.4 Access the WebUI of RPi4. ==== 144 + 145 +===== 4.4.1 Home page ===== 146 + 123 123 ((( 124 - **~(% style="color:#0000ff"%)UserName:root(%%)**148 +Open a browser on the PC and type the RPI ip address 125 125 ))) 126 126 127 127 ((( 128 - **~(%style="color:#0000ff"%)Password:dragino(%%)**152 + [[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by uplink router) 129 129 ))) 130 130 131 131 ((( 132 - 156 +You will see the login interface of RPI as shown below. 133 133 ))) 134 134 135 135 ((( 136 - **~(% style="color:#0000ff"%)Backupaccount(%%)**160 +The account details for Web Login are: 137 137 ))) 138 138 139 139 ((( 140 -**~ (% style="color:#0000ff" %)Pi/dragino(%%)** 141 - 142 - 164 +**~ User Name: root** 143 143 ))) 144 144 145 -After logging in, you will be in the Linux console and type the command here. 146 - 147 -[[image:1651744358515-107.png||height="366" width="581"]] 148 - 149 - 150 -== **4.4 Access the WebUI of RPi4.** == 151 - 152 -=== **4.4.1 Home page** === 153 - 154 -Open a browser on the PC and type the RPI ip address[[http:~~/~~/IP_ADDRESS** **>>url:http://192.168.1.xx/]] (If the IP is assigned by the uplink router) 155 -You will see the login interface of RPI as shown below. 156 -The account details for Web Login are: 157 - 158 158 ((( 159 -**~ (% style="color:#0000ff" %)User Name: root(%%)** 160 -(% style="color:#0000ff" %)** Password: dragino** 168 +**~ Password: dragino** 161 161 ))) 162 162 163 163 [[image:1651744457761-993.png||height="352" width="621"]] 164 164 165 165 166 -=== **4.4.2 LoRa Page**===174 +===== 4.4.2 LoRa Page ===== 167 167 176 +((( 168 168 This page shows the LoRa Radio Settings. There are a set of default frequency band according to LoRaWAN protocol, and user can customize the band* as well. 178 +))) 169 169 170 170 [[image:1651744554845-970.png||height="328" width="621"]] 171 171 ... ... @@ -179,35 +179,41 @@ 179 179 180 180 page LogRead ~-~-> LoRa Log 181 181 182 -Note *: [[See this instruction for how to customize frequency band>>doc:Main.How to customized LoRaWAN frequency band.WebHome]]192 +Note *: See this instruction for how to customize frequency band 183 183 194 +[[http:~~/~~/wiki.dragino.com/index.php?title=Customized_Frequency_Band_for_Gateway>>url:http://wiki.dragino.com/index.php?title=Customized_Frequency_Band_for_Gateway]] 184 184 185 -=== **4.4.3 LoRaWAN Page** === 186 186 187 -==== **4.4.3.1SemtechUDP**====197 +===== 4.4.3 LoRaWAN Page ===== 188 188 199 +====== 4.4.3.1 Semtech UDP ====== 200 + 189 189 [[image:1651744767914-283.png||height="352" width="621"]] 190 190 191 -Note *: [[See this instruction for how to configure TTN>>doc:Main.Notes for TTN.WebHome]].203 +Note *: See this instruction for how to configure TTN. 192 192 205 +[[https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_TTN>>url:https://wiki.dragino.com/index.php?title=Notes_for_TTN||style="background-color: rgb(255, 255, 255);"]] 193 193 194 -==== **4.4.3.2 Basic Station** ==== 195 195 208 +====== 4.4.3.2 Basic Station ====== 209 + 196 196 [[image:1651744890629-683.png||height="380" width="621"]] 197 197 198 -Note *: [[See this instruction for how to configureAWS-loT-Core>>doc:Main.AWS IoTCore for LoRaWAN.WebHome]].212 +Note *: See this instruction for how to configure TTN. 199 199 214 +[[https:~~/~~/wiki.dragino.com/index.php?title=Notes_for_AWS-IoT-Core>>url:https://wiki.dragino.com/index.php?title=Notes_for_AWS-IoT-Core]] 200 200 201 -=== **4.4.4 LogRead** === 202 202 203 -==== **4.4.4.1LoRaLog**====217 +===== 4.4.4 LogRead ===== 204 204 219 +====== 4.4.4.1 LoRa Log ====== 220 + 205 205 [[image:1651744955955-452.png||height="571" width="621"]] 206 206 207 207 Show the frequency for LoRa Radio and traffics. 208 208 209 209 210 -==== **4.4.4.2 System Log**====226 +====== 4.4.4.2 System Log ====== 211 211 212 212 Show system log. 213 213 ... ... @@ -214,7 +214,7 @@ 214 214 [[image:1651745003470-264.png||height="477" width="621"]] 215 215 216 216 217 -==== **4.4.4.3 Record Log**====233 +====== 4.4.4.3 Record Log ====== 218 218 219 219 **Record the system log.** 220 220 ... ... @@ -221,31 +221,36 @@ 221 221 [[image:1651745069814-662.png||height="144" width="621"]] 222 222 223 223 224 -= **5. Install stand-alone LoRa Packet Forwarder.**=240 +=== 5. Install stand alone LoRa Packet Forwarder. === 225 225 226 -== **5.1 OS requirement**==242 +==== 5.1 OS requirement ==== 227 227 228 228 RPI in this example is RPI model 4B with fresh Raspbian OS install. 229 229 230 -(% class="box" %) 231 -((( 232 - pi@raspberrypi:~~$ cat /etc/os-release 246 + pi@raspberrypi:~~$ cat /etc/os-release 247 + 233 233 PRETTY_NAME="Raspbian GNU/Linux 8 (jessie)" 249 + 234 234 NAME="Raspbian GNU/Linux" 251 + 235 235 VERSION_ID="8" 253 + 236 236 VERSION="8 (jessie)" 255 + 237 237 ID=raspbian 257 + 238 238 ID_LIKE=debian 259 + 239 239 HOME_URL="http:~/~/www.raspbian.org/" 261 + 240 240 SUPPORT_URL="http:~/~/www.raspbian.org/RaspbianForums" 263 + 241 241 BUG_REPORT_URL="http:~/~/www.raspbian.org/RaspbianBugs" 242 242 243 - 244 -))) 245 245 246 -== **5.2 Get Gateway ID in Raspberry and input this in TTN v3.**==267 +==== 5.2 Get Gateway ID in Raspberry and input this in TTN v3. ==== 247 247 248 -In RPI, run thebelow command to get a Gateway ID269 +In RPI, run below command to get a Gateway ID 249 249 250 250 (% class="box infomessage" %) 251 251 ((( ... ... @@ -255,10 +255,8 @@ 255 255 [[image:1651745210205-512.png||height="130" width="621"]] 256 256 257 257 ((( 258 -((( 259 259 We got the ether (eth0 MAC) address is b8:27:eb:49:62:bc). Add ffff at the end and remove “:” to get the gateway ID: b827ebxxxxbcffff. Input this to TTN v3. Make sure to select legacy packet forwarder. 260 260 ))) 261 -))) 262 262 263 263 [[image:1651745267862-321.png||height="526" width="621"]] 264 264 ... ... @@ -268,54 +268,51 @@ 268 268 269 269 [[image:1651745366987-458.png||height="363" width="621"]] 270 270 271 -=== 5.2.1 Download and install LoRaWAN packet forwarder === 272 272 291 +===== 5.2.1 Download and install LoRaWAN packet forwarder ===== 292 + 273 273 Enable SPI and I2C first: 274 274 275 275 a)SPI needs to be enabled on the Raspberry Pi 276 276 277 -Run (%style="background-color:#dcdcdc"%)**sudoraspi-config**(%%)to open the config window297 +Run sudo raspi-config to open the config window 278 278 279 -[[image:1651745476754-240.png||height="23 4" width="629"]]299 +[[image:1651745476754-240.png||height="235" width="631"]] 280 280 281 281 [[image:image-20220505181135-1.png]] 282 282 283 -[[image:image-20220505181135-2.png ||height="229" width="622"]]303 +[[image:image-20220505181135-2.png]] 284 284 285 -In RPI, Fist: Enter theroot account:305 +In RPI , Fist: Enter root account: 286 286 287 -((( 288 -[[image:1651745583363-614.png||height="151" width="732"]] 289 -))) 307 +[[image:1651745583363-614.png]] 290 290 309 + 291 291 and then run: 292 292 293 - (% style="background-color:#dcdcdc" %)wget [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh>>url:https://www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh]]312 +wget [[https:~~/~~/www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh>>url:https://www.dragino.com/downloads/downloads/LoRa_Gateway/PG1302/software/auto_install.sh]] 294 294 295 - (% style="background-color:#dcdcdc" %)chmod +x ./auto_install.sh314 +chmod +x ./auto_install.sh 296 296 297 - (% style="background-color:#dcdcdc" %)./auto_install.sh316 +./auto_install.sh 298 298 299 -((( 300 -[[image:1651745611629-818.png||height="225" width="729"]] 301 -))) 318 +[[image:1651745611629-818.png]] 302 302 303 303 This will download the packet forwarder package from Dragino Server to RPI, and start install the package. 304 304 305 305 You can get these output: 306 306 307 -((( 308 308 [[image:1651745657252-173.png||height="426" width="621"]] 309 -))) 310 310 311 -=== 5.2.2 Config Gateway ID, Frequency Band and Server address === 312 312 327 +===== 5.2.2 Config Gateway ID, Frequency Band and Server address ===== 328 + 313 313 ((( 314 -After installation, user can find the configuration file in** (% style="color:#0000ff" %)/etc/lora/(%%)**Replace the gateway ID we got above to the(% style="color:#0000ff" %)**gateway_ID**(%%)in file(% style="color:#0000ff" %)**local_conf.json.**330 +After installation, user can find the configuration file in** /etc/lora/ **Replace the gateway ID we got above to the **gateway_ID** in file **local_conf.json.** 315 315 ))) 316 316 317 317 ((( 318 -The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file (% style="color:#0000ff" %)**local_conf.json**(%%), like below.334 +The default LoRaWAN server points to localhost, user need to put the correct server address to the server_address field in file **local_conf.json**, like below. 319 319 ))) 320 320 321 321 [[image:1651745709709-887.png||height="820" width="621"]] ... ... @@ -324,26 +324,32 @@ 324 324 325 325 [[Server Addresses ~| The Things Stack for LoRaWAN (thethingsindustries.com)>>url:https://www.thethingsindustries.com/docs/getting-started/server-addresses/#deployments]] 326 326 327 -And the default frequency band is US915 in (% style="color:#0000ff" %)**global_conf.json**(%%) file. 328 328 344 +And the default frequency band is US915 in **global_conf.json** file. 345 + 329 329 [[image:1651745838008-820.png||height="650" width="621"]] 330 330 331 -* If user want to change to other frequency bands, User can copy the file from (%style="color:#0000ff" %)****(%%) ****and put it into**(% style="color:#0000ff" %)/etc/lora/global_conf.json(%%).**348 +* If user want to change to other frequency bands, User can copy the file from **/etc/lora/cfg-302 **and put it into** /etc/lora/global_conf.json.** 332 332 333 333 1).Chose your need the name of region frequency. 334 334 335 -[[image:1651745867516-322.png ||height="83" width="740"]]352 +[[image:1651745867516-322.png]] 336 336 337 337 2). Use this command to copy it. 338 338 339 339 cp /etc/lora/cfg-302/EU-global_conf.json /etc/lora/global_conf.json 340 340 341 -[[image:1651745984006-868.png ||height="87" width="745"]]358 +[[image:1651745984006-868.png]] 342 342 343 -* If user wants to change to other LoRaWAN server, modify the (% style="color:#0000ff" %)**global_conf.json**(%%)file.360 +* If user wants to change to other LoRaWAN server, modify the **global_conf.json** file. 344 344 345 -=== 5.2.3 Check result === 362 +(% class="wikigeneratedid" %) 363 +((( 364 + 365 +))) 346 346 367 +===== 5.2.3 Check result ===== 368 + 347 347 ((( 348 348 Run below command to restart the dragino_fwd: 349 349 ))) ... ... @@ -371,7 +371,7 @@ 371 371 ))) 372 372 ))) 373 373 374 -[[image:1651746045057-414.png ||height="193" width="729"]]396 +[[image:1651746045057-414.png]] 375 375 376 376 The dragino_fwd will start with the new gateway ID and TTN v3 should show the connection ok: 377 377 ... ... @@ -382,67 +382,62 @@ 382 382 383 383 (% class="box infomessage" %) 384 384 ((( 385 - 407 + **// sudo journalctl -u draginofwd -f//** 386 386 ))) 387 387 388 -[[image:1651746111963-838.png ||height="184" width="730"]]410 +[[image:1651746111963-838.png]] 389 389 390 - If there are LoRaWAN nodes transmitting nearby, we can see the traffic in **TTN v3 –> Gateway ~-~-> Live data**412 + If there are LoRaWAN nodes transmitting nearby, we can see the traffic in TTN v3 –> Gateway ~-~-> Live data 391 391 414 + 392 392 [[image:1651746139304-966.png||height="326" width="621"]] 393 393 394 -=== 5.2.4 Commands to handle service === 395 395 396 -* (% style="color:#0000ff" %)**Stop** (%%)dragino_fwd service: sudo systemctl stop draginofwd 397 -* (% style="color:#0000ff" %)**Disable**(%%) dragino_fwd auto run after boot: sudo systemctl disable draginofwd 398 -* (% style="color:#0000ff" %)**Start** (%%)dragino_fwd : sudo systemctl start draginofwd 399 -* (% style="color:#0000ff" %)**Auto run**(%%) dragino_fwd after boot: sudo systemctl enable draginofwd 400 -* (% style="color:#0000ff" %)**Show status** (%%)of dragino_fwd: sudo systemctl status draginofwd 418 +===== 5.2.4 Commands to handle service ===== 401 401 402 -= 6. Order Info = 420 +* **Stop** dragino_fwd service: sudo systemctl stop draginofwd 421 +* **Disable** dragino_fwd auto run after boot: sudo systemctl disable draginofwd 422 +* **Start** dragino_fwd : sudo systemctl start draginofwd 423 +* **Auto run** dragino_fwd after boot: sudo systemctl enable draginofwd 424 +* **Show status** of dragino_fwd: sudo systemctl status draginofwd 403 403 404 - Part Number: (% style="color:#0000ff"%)**PG1302-XX**(%%)OrPart Number:(% style="color:#0000ff" %)**PG1302-PI-XX **(%%)(Include RPi converter boardforRPI 3/4)426 +=== 6. Order Info === 405 405 406 -** ~(%style="color:#0000ff"%)XX:(%%)**428 +Part Number: **PG1302-XX** Or Part Number: **PG1302-PI-XX **(Include RPi converter board for RPI 3/4) 407 407 408 -* (% style="color:#0000ff" %)**868** (%%)(For Bands: EU868,IN865) 409 -* (% style="color:#0000ff" %)**915** (%%)(For Bands: US915,AU915,AS923,KR920) 410 -* (% style="color:#0000ff" %)**470** (%%)(For Band: CN470) 430 +**~ XX:** 411 411 412 -= 7. Packing Info = 432 +* 868 (For Bands: EU868,IN865) 433 +* 915 (For Bands: US915,AU915,AS923,KR920) 434 +* 470 (For Band: CN470) 413 413 436 +=== 7. Packing Info === 437 + 414 414 ((( 415 415 **PG1302 Package Includes**: 416 416 ))) 417 417 418 418 ((( 419 -((( 420 420 * PG1302 x 1 421 -* LoRa Antenna x 1 422 422 ))) 423 -))) 424 424 425 425 ((( 426 -**PG1302-PI Package Includes**: 427 -))) 428 - 429 -* PG1302 x 1 430 430 * LoRa Antenna x 1 431 -* RPi3/4 converter PCB 432 -* Screws to hole converter PCB on RPI. 433 - 434 -((( 435 -= 8. Support = 436 - 437 -((( 438 -If you are experiencing issues and can’t solve, you can send mail to 439 439 ))) 440 440 441 441 ((( 442 - [[support@dragino.com>>mailto:support@dragino.com]]451 +**PG1302-PI Package Includes**: 443 443 ))) 444 444 445 -((( 446 - Withyourquestion as detail as possible. We will reply and help you in the shortest.454 +* ((( 455 +PG1302 x 1 447 447 ))) 457 +* ((( 458 +LoRa Antenna x 1 448 448 ))) 460 +* ((( 461 +RPi3/4 converter PCB 462 +))) 463 +* ((( 464 +Screws to hole converter PCB on RPI. 465 +)))
- image-20220616085956-1.jpeg
-
- Author
-
... ... @@ -1,1 +1,0 @@ 1 -XWiki.Xiaoling - Size
-
... ... @@ -1,1 +1,0 @@ 1 -717.6 KB - Content