Search found 7 matches

by Rawpnzl
15 Sep 2025, 16:00
Forum: Hardware
Topic: Revpi 4 Connect Digitial In
Replies: 4
Views: 21549

Re: Revpi 4 Connect Digitial In


Es ist das 6. Bit um Status Byte (RevPiStatus). Leider fehlt aktuell der Hinweis in der Dokumentation. Ich habe es an das Team weiter gegeben. Du findest ein Beispiel hier: https://revolutionpi.com/forum/viewtopic.php?t=4538



Der Hinweis mit dem 6. Bit war der Schlüssel, funktioniert ...
by Rawpnzl
15 Sep 2025, 15:18
Forum: Hardware
Topic: Revpi 4 Connect Digitial In
Replies: 4
Views: 21549

Re: Revpi 4 Connect Digitial In

Hallo Nicolai,

danke für die Rückmeldung. Über die 'revpi-getpin' Node im NodeRed stünde mir folgende Auswahl zur Verfügung, in Pictory das Gleiche:

PIN: Core_Frequency
PIN: Core_Temperature
PIN: RevPiIOCycle
PIN: RevPiLED
PIN: RevPiOutput
PIN: RevPiStatus
PIN: RS485ErrorCnt
PIN: RS485ErrorLimit1 ...
by Rawpnzl
15 Sep 2025, 13:36
Forum: Hardware
Topic: Revpi 4 Connect Digitial In
Replies: 4
Views: 21549

Revpi 4 Connect Digitial In

Hallo zusammen,

der RevPi 4 Connect hat einen Digital In, laut Handbuch für die Überwachung einer USV. Kann ich den DI zweckentfremden und auswerten in NodeRed?

Danke und viele Grüße
by Rawpnzl
20 May 2025, 15:52
Forum: Software
Topic: Update NodeRed
Replies: 2
Views: 9857

Re: Update NodeRed

PERFECT, thank you very much for the information
by Rawpnzl
20 May 2025, 09:38
Forum: Software
Topic: Update NodeRed
Replies: 2
Views: 9857

Update NodeRed

Hello all,

we have a RevPi 4 Connect with Node Red 4.0.9 installed. Is it possbile to update Node Red or are there any problems?

On a "normal" Rasperry the installation script

bash <(curl -sL https://raw.githubusercontent.com/node-red/linux-installers/master/deb/update-nodejs-and-nodered)

is ...
by Rawpnzl
13 Feb 2025, 08:15
Forum: Hardware
Topic: RevPi4 Connect RS485 NodeRed
Replies: 2
Views: 8493

Re: RevPi4 Connect RS485 NodeRed

Thank you so much ...

Code: Select all

sudo adduser nodered dialout
That was the hint. It works now. Also many thanks for the information regarding "/dev/ttyRS485-0". I changed it now under Bookworm, so that should work with Trixie.

Many greetings
by Rawpnzl
12 Feb 2025, 16:35
Forum: Hardware
Topic: RevPi4 Connect RS485 NodeRed
Replies: 2
Views: 8493

RevPi4 Connect RS485 NodeRed

Hi all,

I am new in RevPi4 but not new in Raspberry. I want to use the RS485 in Node Red for Modbus to get data from a solar charge controller. In Node Red I use "/dev/ttyRS485" but I get error messages "Error: Error: Permission denied, cannot open /dev/ttyRS485". I read somewhere that is not ...