Search found 1911 matches

by dirk
07 Mar 2024, 09:04
Forum: Software
Topic: RevPi Connect 4 Wifi 2.4Ghz problems
Replies: 10
Views: 1038

Re: RevPi Connect 4 Wifi 2.4Ghz problems

Hi Steffen, thank you very much for your detailed description of the problem. Yes, unfortunately, the Wi-Fi connection on the Revolution Pi currently seams be limited on 5.4 GHz at the moment.
We are working on understanding the issue in detail.
by dirk
07 Mar 2024, 08:59
Forum: Connectivity
Topic: WLAN Verbindung
Replies: 4
Views: 818

Re: WLAN Verbindung

Hi Verhoeven, momentan funktioniert die WLAN-Verbindung nur eingeschränkt. Mit 5.4 GHz sollte es funktionieren.
Edit: probiere diesen Kniff - damit funktioniert auch die 2.4 GHz WLAN-Verbindung bei uns:

Code: Select all

sudo revpi-config enable external-antenna
sudo reboot
by dirk
06 Mar 2024, 09:23
Forum: Software
Topic: Node-red im Browser starten (Docker)
Replies: 5
Views: 1829

Re: Node-red im Browser starten (Docker)

Hi Andreas, kannst Du es probieren mit RevPi Bullseye 64-bit Lite (02/2024) (ID: 7790) und darauf Dein System frisch aufsetzen z.B. mithilfe dieser
Node-RED Checklist
by dirk
05 Mar 2024, 15:35
Forum: Software
Topic: SDM630 Modus Zähler
Replies: 7
Views: 839

Re: SDM630 Modus Zähler

Hallo, fpfeifer ich habe mir diese Anleitung angeschaut. Ab Seite 40 beginnt die Einstellung der RS485 Schnittstelle. Einfach step-by-step die Werte der Schnittstelle vergleichen, dann sollte die Kommunikation funktionieren. Baudrate, Datenbits, Stopbits, Parität, Adresse … Im Bild kann ich sehen, d...
by dirk
04 Mar 2024, 12:08
Forum: Hardware
Topic: MIO and Too many communication errors
Replies: 4
Views: 695

Re: MIO and Too many communication errors

Hi mitchellday06 > Hey thanks for that. I will be on site today and can do that. Ok >As the system is installed can I do the module upgrade as an entire system, or do I need to attach only the on module at a time? Yes, you disconnect all modules but the one you want to update - here is the documenta...
by dirk
01 Mar 2024, 14:23
Forum: Hardware
Topic: AIO module RTD precision for temperature
Replies: 5
Views: 4468

Re: AIO module RTD precision for temperature

Hi FMW, I have successfully measured with a RevPi AIO Module and a 4-wire PT1000 temperature in steps of 0.1°C. pi@RevPi99988:~ $ piTest -r RTDValue_1 2 Byte-Value of RTDValue_1: 222 dez (=00de hex) 2 Byte-Value of RTDValue_1: 222 dez (=00de hex) 2 Byte-Value of RTDValue_1: 222 dez (=00de hex) 2 Byt...
by dirk
29 Feb 2024, 15:46
Forum: Hardware
Topic: RevPiLED - Relais
Replies: 7
Views: 858

Re: RevPiLED - Relais

Hi Stefan, Das Problem kann darauf zurückzuführen sein, dass GPIOs_A_B im Codesys-Gerätebaum nicht deaktiviert sind. CODESYS FAQ | The LEDs on the RevPi Connect are controlled, although my program does not use them, what can I do? Das folgende Programm testet das Ein- und Ausschalten des Relaisansch...
by dirk
29 Feb 2024, 10:24
Forum: CODESYS
Topic: Über CODESYS mit ConCAN Modul RAW CAN Telegramme verschicken
Replies: 4
Views: 659

Re: Über CODESYS mit ConCAN Modul RAW CAN Telegramme verschicken

Hi Wiekon Du kannst Dir mal dieses Tutorial anschauen, hier kannst Du sehen, wie Du direkt auf der Shell CAN Telegramme über den Bus schicken kannst ;)
https://revolutionpi.com/de/tutorials/u ... -ansteuern
by dirk
29 Feb 2024, 10:23
Forum: Hardware
Topic: Having a Raspberry pi 4 connect with Connect 4
Replies: 1
Views: 298

Re: Having a Raspberry pi 4 connect with Connect 4

Hi Ok_ing take a look at this download "Arduino Coupling" maybe this is a solution:
https://revolutionpi.com/en/tutorials/downloads#coding
by dirk
29 Feb 2024, 08:23
Forum: Software
Topic: revpi user logon Codesys
Replies: 1
Views: 263

Re: revpi user logon Codesys

Hi Debian Buster or ramzi (?) I can understand your astonishment. So this change is related to updates of the CODESYS ecosystem, which includes user authentication. Take a look at this tutorial, which implements a "Blinking Light": https://revolutionpi.com/en/tutorials/beispiel-blinking-li...