Suchergebnisse

  Description (copied from https://www.duet3d.com/DuetEthernet) This is the latest PCB revision of the Duet 2 Ethernet, v1.04. The Duet 2 Ethernet is an advanced 32 bit electronics board for the control of 3D printers and other CNC machines. It has th...

Monitoring the network neighbours can possibly help to find attack vectors in Freifunk Network. On Linux, the onboard arp tool will only show the IP/MAC combinations that the system has already used. So, it will only show the Raspberry Pi in that list if you h...

We use this script in local mode to have a quick emergency halt possibilty. Never use this over internet. Only use local network connection! Download portable AutoHotKey https://www.autohotkey.com/download/ https://github.com/Lexikos/AutoHotkey_L/releases ...

vim /opt/swappy.sh #!/bin/bash free_data="$(free)" mem_data="$(echo "$free_data" | grep 'Mem:')" free_mem="$(echo "$mem_data" | awk '{print $4}')" buffers="$(echo "$mem_data" | awk '{print $6}')" cache="$(echo "$mem_data" | awk '{print $7}')" total_fr...

We use mkcert tool to make secure localhost connections. For mkcert we need Go language installed. https://github.com/FiloSottile/mkcert https://golang.org/dl Installation wget https://dl.google.com/go/go1.18.1.linux-armv6l.tar.gz sudo tar -C /usr/loc...

Mount USB stick (backup stick) #format SD card mkfs.ext4 /dev/sda vim /etc/fstab configure fstab to skip mount errors because if USB stick is not available boot fails or is really slow due to mount timeout (default seemsto be 90 seconds). More info at http...

Overview of used firmware and software + where to donate What? Why Version Source License Donate / Sponsor Line Collision Detector Simulation https://gitlab.com/hangprinter/line-collision-detector GPL v3 Auto Calib...

Trikarus uses Python 3.7 scripts. Before using Raspbian buster release the stretch version was used. It did not include Python 3.7, but Python 3.5 Fixes might be obsolete ln -s /usr/share/pyshared/lsb_release.py /usr/local/lib/python3.7/site-packages/lsb_re...

Persisting connected USB devices The following external hardware is connected to hangdevice #sudo mknod /dev/ttyUSB0 c 188 0 #sudo mknod /dev/ttyUSB1 c 188 1 lsusb -t #list the devices as tree lsusb -v | grep 'idVendor\|idProduct\|iProduct\|iSerial' #ge...

Trikarus uses Freifunk firmware router to build up a network which can be used remotely. The router can be accessed from outside by SSH or just by another Freifunk router, also by SSH. You can also access the Freifunk router by the connected Raspberry Pi which...

Trikarus uses a Tablet Lifetab P9812 by Medion to show the Repetier Server frontend and Grafana. For security reason the tablet is fully encrypted and secured py PIN. Android version is 5 (Lollipop) → Installed Update is P891x_Update_4.zip Network configur...

The following table compares some essential features required for Trikarus project. Feature DWC Repetier Server API /remote access ✅ JSON ✅ http, websocket Webcam Support ✅ ✅ Timelapse videos ⛔ ✅ Job Management ✅ ✅ ...

Baby Stepping - clear (set zero) M290 R0 S0 ;clear babystepping Baby Stepping - Down 0.1 mm M290 S-0.1 Show network config M552 M540 Change to static IP address (switch mode) This macro makes only sense in Repetier Server! For Duet of Trikarus we use ...

Backup the SD card image for larger upgrade → see High Endurance Micro-SDHC card 32 GB 100 MB/s UHS Class 3 by SANDISK Update Repetier Server (using software frontend) Update Grafana → use /opt/upgrade-grafana.sh script apt update apt upgrade #fix so...

The OS is installed on Raspberry Pi 3 B featuring a High Endurance Micro-SDHC card 32 GB 100 MB/s UHS Class 3 by SANDISK. Get model information cat /sys/firmware/devicetree/base/model Set time in case the Raspberry Pi has no internet connection we need to ...

Raspberry Pi overview Image source: https://www.elektronik-kompendium.de/sites/raspberry-pi/1905251.htm HDMI deactivation HDMI is disabled by default if no monitor is connected. If a monitor is connected this can be either enabled or disabled manually by ...

Install apt-get install watchdog Warning: Do never call "cat /dev/watchdog" because it will restart your Raspberry Pi 15 seconds after! :-( Configure vim /etc/watchdog.conf watchdog-device = /dev/watchdog max-load-1 = 24 watchdog-time...