# General Discussion **URL:** https://forum.realdash.net/c/connectivity/general-discussion/20.md [Latest](https://forum.realdash.net/latest.md) · [Categories](https://forum.realdash.net/categories.md) · [Tags](https://forum.realdash.net/tags.md) --- ## [About the General Discussion category](https://forum.realdash.net/t/about-the-general-discussion-category/25)
**Author:** [@system](https://forum.realdash.net/u/system)\ **Replies:** 0
--- ## [Multiple pis multiple screens](https://forum.realdash.net/t/multiple-pis-multiple-screens/10764)
**Author:** [@Chaingun427](https://forum.realdash.net/u/Chaingun427)\ **Replies:** 1\ **Last updated:** [August 3, 2026, 7:15am UTC](https://forum.realdash.net/t/multiple-pis-multiple-screens/10764 "2026-08-03T07:15:07Z")
One my my upcoming dash projects is going to involve 6 total gauges, across 5 displays. I’d like to use something a little less expensive than a pi5 for the 4 ancillary gauges. Would a pi zero 2w be capable of runnin… --- ## [how to start?](https://forum.realdash.net/t/how-to-start/906)
**Author:** [@xenom](https://forum.realdash.net/u/xenom)\ **Replies:** 9\ **Last updated:** [May 19, 2026, 7:31am UTC](https://forum.realdash.net/t/how-to-start/906 "2026-05-19T07:31:36Z")
good morning everyone! I want to start a project for my opel vectra c. i bought an ELM327 and found realdash soft. It was incredible. I have seen how with the obd2 I read correctly rpm and speed, setting the gear ratio… --- ## [Connection Priority](https://forum.realdash.net/t/connection-priority/10296)
**Author:** [@Kaelub](https://forum.realdash.net/u/Kaelub)\ **Replies:** 2\ **Last updated:** [May 7, 2026, 3:33pm UTC](https://forum.realdash.net/t/connection-priority/10296 "2026-05-07T15:33:12Z")
So i’ve been running with two different OBD devices pulled in to my port using a Y connector. One is doing CAN and one is connected using bluetooth to the OBD itself. My question is, which takes priority if I have some… --- ## [Arduino Nano ESP32 WIFI can't connect](https://forum.realdash.net/t/arduino-nano-esp32-wifi-cant-connect/10081)
**Author:** [@ardillolambo](https://forum.realdash.net/u/ardillolambo)\ **Replies:** 6\ **Last updated:** [March 24, 2026, 11:14pm UTC](https://forum.realdash.net/t/arduino-nano-esp32-wifi-cant-connect/10081 "2026-03-24T23:14:20Z")
RealDashers, Already set up an Arduino Nano ESP32 WIFI, I’m able to connect my phone, tablet and my PC to the ESP32 WIFI but for whatever reason RD never connects. What I’m missing…What I’m doing wrong? I set up RD as… --- ## [Upload an XML file](https://forum.realdash.net/t/upload-an-xml-file/9099)
**Author:** [@FrazUK13](https://forum.realdash.net/u/FrazUK13)\ **Replies:** 8\ **Last updated:** [October 11, 2025, 3:41pm UTC](https://forum.realdash.net/t/upload-an-xml-file/9099 "2025-10-11T15:41:42Z")
Complete novice but know how to use a forum, i’ve been through the FAQs and searched but I can not find how to input an XML in to RealDash. I have a Haltech v3 xml file from github and its on the Android device. Just can… --- ## [Send CAN Frame- option with Slider](https://forum.realdash.net/t/send-can-frame-option-with-slider/8546)
**Author:** [@paleppp](https://forum.realdash.net/u/paleppp)\ **Replies:** 1\ **Last updated:** [July 3, 2025, 9:41pm UTC](https://forum.realdash.net/t/send-can-frame-option-with-slider/8546 "2025-07-03T21:41:44Z")
Hello! I have been testing out sending CAN frames via button gauge to ECU (FOME, RusEFI fork) from Realdash and they work just fine. But then question arised and i didn’t really found anything related to this. The quest… --- ## [Very No0b and very confused - esp32 emulating CAN](https://forum.realdash.net/t/very-no0b-and-very-confused-esp32-emulating-can/8166)
**Author:** [@willsspam](https://forum.realdash.net/u/willsspam)\ **Replies:** 4\ **Last updated:** [June 29, 2025, 12:53pm UTC](https://forum.realdash.net/t/very-no0b-and-very-confused-esp32-emulating-can/8166 "2025-06-29T12:53:07Z")
Hi there, I’ve tried reading documentation and I don’t seem to be able to find a no0b primer on this software. The goal is putting this in my 68 cutlass to read sensors and send them to RealDash via Holley Sniper 2 CAN.… --- ## [USB Port Assignments keep changing](https://forum.realdash.net/t/usb-port-assignments-keep-changing/1057)
**Author:** [@Markze](https://forum.realdash.net/u/Markze)\ **Replies:** 7\ **Last updated:** [May 8, 2025, 9:52am UTC](https://forum.realdash.net/t/usb-port-assignments-keep-changing/1057 "2025-05-08T09:52:22Z")
I have and Chinese android head unit using both USB ports to connect and Autronic and a custom Arduino CAN signal. I can go in and manually connect each input and everything works for a while. Once there is any sort of… --- ## [Interface with a SinoTech DPU?](https://forum.realdash.net/t/interface-with-a-sinotech-dpu/8064)
**Author:** [@trx](https://forum.realdash.net/u/trx)\ **Replies:** 1\ **Last updated:** [April 14, 2025, 5:22am UTC](https://forum.realdash.net/t/interface-with-a-sinotech-dpu/8064 "2025-04-14T05:22:21Z")
I didn’t find anything when I searched but I was wondering if there was any effort to connect to a SinoTech DPU? These DPU’s allow you to connect up multiple sensors and it sends the data to their racing dashboard displa… --- ## [Two devices and obd2 WiFi](https://forum.realdash.net/t/two-devices-and-obd2-wifi/7272)
**Author:** [@MilanS](https://forum.realdash.net/u/MilanS)\ **Replies:** 6\ **Last updated:** [January 9, 2025, 4:21pm UTC](https://forum.realdash.net/t/two-devices-and-obd2-wifi/7272 "2025-01-09T16:21:09Z")
Hi all, New to the forums but looks like I’ll stick around. :slight\_smile: I’m intending to use two android tablets in a 2004 bmw e60. Planning to connect them both using a obd2 Wi-Fi adapter and show speedo on one and… --- ## [Add page skin](https://forum.realdash.net/t/add-page-skin/1481)
**Author:** [@carzio](https://forum.realdash.net/u/carzio)\ **Replies:** 3\ **Last updated:** [November 1, 2024, 3:18pm UTC](https://forum.realdash.net/t/add-page-skin/1481 "2024-11-01T15:18:31Z")
good evening everyone, I wanted to know how to add a page to the right by scrolling with your finger --- ## [Slight help with UI/Button variations when connected to CAN Wifi](https://forum.realdash.net/t/slight-help-with-ui-button-variations-when-connected-to-can-wifi/5463)
**Author:** [@naeem76](https://forum.realdash.net/u/naeem76)\ **Replies:** 2\ **Last updated:** [May 20, 2024, 2:53pm UTC](https://forum.realdash.net/t/slight-help-with-ui-button-variations-when-connected-to-can-wifi/5463 "2024-05-20T14:53:48Z")
This affects all themes but I will use the Bavarian Powerhouse theme as an example. This theme has 3 modes - Sport, Comfort, ECO Connectivity is set to Real Dash CAN that connects over WiFi to my python script that sen… --- ## [Custom XML imported, gauges no longer working](https://forum.realdash.net/t/custom-xml-imported-gauges-no-longer-working/5048)
**Author:** [@olchickenbeard](https://forum.realdash.net/u/olchickenbeard)\ **Replies:** 3\ **Last updated:** [April 9, 2024, 10:57am UTC](https://forum.realdash.net/t/custom-xml-imported-gauges-no-longer-working/5048 "2024-04-09T10:57:49Z")
I had a few PIDs I wanted to try adding, so I downloaded the default XML and just added my extra custom strings at the bottom. I left all of the default PID commands untouched, and put all of the new ones under a custom … --- ## [Dependency issue Armbian 22.11 jammy gnome for Orange Pi 5](https://forum.realdash.net/t/dependency-issue-armbian-22-11-jammy-gnome-for-orange-pi-5/1537)
**Author:** [@ecobeast](https://forum.realdash.net/u/ecobeast)\ **Replies:** 4\ **Last updated:** [October 15, 2023, 2:42pm UTC](https://forum.realdash.net/t/dependency-issue-armbian-22-11-jammy-gnome-for-orange-pi-5/1537 "2023-10-15T14:42:28Z")
Hi, I’ve recently got my hands on an Orange Pi 5 and I’ve working my way through the available distros to workout which gives the shortest boot time off of an NVMe drive. Armbian is looking favorite so far with a boot ti… --- ## [Deceleration time](https://forum.realdash.net/t/deceleration-time/1629)
**Author:** [@Tarekastra](https://forum.realdash.net/u/Tarekastra)\ **Replies:** 9\ **Last updated:** [August 8, 2023, 2:36pm UTC](https://forum.realdash.net/t/deceleration-time/1629 "2023-08-08T14:36:47Z")
Jani, Could we have a measure for the deceleration time? Regards --- ## [Showing Fuel Range on Kia Sportage](https://forum.realdash.net/t/showing-fuel-range-on-kia-sportage/2990)
**Author:** [@aldridak](https://forum.realdash.net/u/aldridak)\ **Replies:** 1\ **Last updated:** [May 9, 2023, 6:41am UTC](https://forum.realdash.net/t/showing-fuel-range-on-kia-sportage/2990 "2023-05-09T06:41:23Z")
I have just set this up by plugging in an obd2 and everything is working apart from the fuel range being displayed. Could anyone suggest how through the system settings in RealDash I could get this to be displayed? I am … --- ## [Having trouble with startbit and bitlength in my .xml files](https://forum.realdash.net/t/having-trouble-with-startbit-and-bitlength-in-my-xml-files/1558)
**Author:** [@JoeBargo](https://forum.realdash.net/u/JoeBargo)\ **Replies:** 8\ **Last updated:** [April 4, 2023, 5:38am UTC](https://forum.realdash.net/t/having-trouble-with-startbit-and-bitlength-in-my-xml-files/1558 "2023-04-04T05:38:32Z")
My DBC file has a lot of values that don’t cleanly work with offset/length, but the ones that do are working fine. An example of one of the many IDs I’m having trouble with is this: 1|10@0+ (0.1,0) ← this is the syn… --- ## [Му project needs help. Need to find XML FORD](https://forum.realdash.net/t/project-needs-help-need-to-find-xml-ford/1203)
**Author:** [@Free](https://forum.realdash.net/u/Free)\ **Replies:** 1\ **Last updated:** [March 29, 2023, 12:35pm UTC](https://forum.realdash.net/t/project-needs-help-need-to-find-xml-ford/1203 "2023-03-29T12:35:11Z")
Hello everyone. We are collecting an interesting project based on a Wrangler with a motor and electrics from a Ford transit 2.4tdi . I bought a obdlink mx + to work with realdash on Can. But I need a Can Description XML… --- ## [Custom OBD2 XML file cannot be imported?](https://forum.realdash.net/t/custom-obd2-xml-file-cannot-be-imported/1520)
**Author:** [@dragonzsoul](https://forum.realdash.net/u/dragonzsoul)\ **Replies:** 11\ **Last updated:** [January 27, 2023, 10:05am UTC](https://forum.realdash.net/t/custom-obd2-xml-file-cannot-be-imported/1520 "2023-01-27T10:05:33Z")
Hi Everyone, Long time RD user here! I just joined because I want to add a custom PID (oil temp). I modified the OBD2 XML file, but cannot import it to the device (Pixel 4 running Android 13 and Pixel 7 running Android … --- ## [RealDash Noob](https://forum.realdash.net/t/realdash-noob/1498)
**Author:** [@YorkshireDave](https://forum.realdash.net/u/YorkshireDave)\ **Replies:** 2\ **Last updated:** [January 7, 2023, 8:19pm UTC](https://forum.realdash.net/t/realdash-noob/1498 "2023-01-07T20:19:12Z")
RealDash & all things ODB virgin here. I bought myself a MeatPi for my XC90 and am looking to use it to display engine insights onto a Legend (Chinese) Android headend using RealDash as it seems by far the best software… --- ## [Navigate RealDash using Arduino.](https://forum.realdash.net/t/navigate-realdash-using-arduino/591)
**Author:** [@igorvaladares](https://forum.realdash.net/u/igorvaladares)\ **Replies:** 4\ **Last updated:** [October 16, 2022, 8:59pm UTC](https://forum.realdash.net/t/navigate-realdash-using-arduino/591 "2022-10-16T20:59:43Z")
How do I browse RealDash using Arduidno? it’s possible? I want to send external commands to RealDash --- ## [Connection source](https://forum.realdash.net/t/connection-source/1412)
**Author:** [@Myllis](https://forum.realdash.net/u/Myllis)\ **Replies:** 11\ **Last updated:** [October 4, 2022, 11:25am UTC](https://forum.realdash.net/t/connection-source/1412 "2022-10-04T11:25:41Z")
Stupid question, but how i can get realdash-can to connections list in garage? Do i need some files first? --- ## [Auto launch on Windows 10](https://forum.realdash.net/t/auto-launch-on-windows-10/1399)
**Author:** [@chris070121](https://forum.realdash.net/u/chris070121)\ **Replies:** 2\ **Last updated:** [August 25, 2022, 3:12am UTC](https://forum.realdash.net/t/auto-launch-on-windows-10/1399 "2022-08-25T03:12:55Z")
Is it possible to have RealDash launch on startup for windows 10? I have been unable to create a shortcut or find the exe . --- ## [ECUMaster PMU16 integration?](https://forum.realdash.net/t/ecumaster-pmu16-integration/1253)
**Author:** [@dingdongdrift](https://forum.realdash.net/u/dingdongdrift)\ **Replies:** 3\ **Last updated:** [August 1, 2022, 9:03pm UTC](https://forum.realdash.net/t/ecumaster-pmu16-integration/1253 "2022-08-01T21:03:45Z")
So i have a PMU16 PDM outputing CAN data with my LINK ECU which is also communicating with Realdash using the Dash Preset in Link software. I just wanna know what i need to add to the XML file to be able to tell realdash… --- ## [Lag on Display](https://forum.realdash.net/t/lag-on-display/354)
**Author:** [@mgstu](https://forum.realdash.net/u/mgstu)\ **Replies:** 6\ **Last updated:** [May 24, 2022, 5:58am UTC](https://forum.realdash.net/t/lag-on-display/354 "2022-05-24T05:58:23Z")
Hi All, ok loving the product works well, Im conencting via “generic” EML adapter on the ODB port, which the tablet connects to via wireless, all works BUT there is an “annoying” lag on the display is there anything obv… --- ## [How does slider color work?](https://forum.realdash.net/t/how-does-slider-color-work/338)
**Author:** [@CoTECH](https://forum.realdash.net/u/CoTECH)\ **Replies:** 12\ **Last updated:** [May 3, 2022, 5:04pm UTC](https://forum.realdash.net/t/how-does-slider-color-work/338 "2022-05-03T17:04:33Z")
I noticed that this new item appeared in “Entries \>\> Others” How to work with him? What does he react to? --- ## [GPS AND CAN ADAPTER FOR LINUX SETUP](https://forum.realdash.net/t/gps-and-can-adapter-for-linux-setup/1261)
**Author:** [@wiredwrx](https://forum.realdash.net/u/wiredwrx)\ **Replies:** 2\ **Last updated:** [April 26, 2022, 7:04pm UTC](https://forum.realdash.net/t/gps-and-can-adapter-for-linux-setup/1261 "2022-04-26T19:04:44Z")
All, Got realdash up and running on the latest Linux Mint edition with xcfe. As I continue to set up the unit, I need to add a CAN adapter, and a GPS unit. Does anyone know of any compatible GPS and/or CAN Adapters, a… --- ## [haltech - realdash please help :)](https://forum.realdash.net/t/haltech-realdash-please-help/1209)
**Author:** [@bradley350](https://forum.realdash.net/u/bradley350)\ **Replies:** 3\ **Last updated:** [March 10, 2022, 9:16am UTC](https://forum.realdash.net/t/haltech-realdash-please-help/1209 "2022-03-10T09:16:08Z")
aussie here :smiley: so i have a 2000 ford au fairmont v8 it runs (ford protocol pwm j1850) i believe… my obd2 (usb) elm327 plugs in and will not connect to realdash what can i do ? i have also just wired in my haltech … --- ## [Missed PIDs? Really or just hidden](https://forum.realdash.net/t/missed-pids-really-or-just-hidden/1187)
**Author:** [@mfanki](https://forum.realdash.net/u/mfanki)\ **Replies:** 3\ **Last updated:** [February 17, 2022, 7:29am UTC](https://forum.realdash.net/t/missed-pids-really-or-just-hidden/1187 "2022-02-17T07:29:18Z")
Hi My question: Are some missed Pids like fuel really missed or just hidden? I did something similar at work with GPS, INS and photos. I have read the hole bt stream with a port crawler and picked the nessesary stuff a… [Next page](https://forum.realdash.net/c/connectivity/general-discussion/20.md?page=1)