r15ch13

#!/usr/bin/env bash

shopt -s nullglob
lastgroup=""
for g in `find /sys/kernel/iommu_groups/* -maxdepth 0 -type d | sort -V`; do
    for d in $g/devices/*; do
        if [ "${g##*/}" != "$lastgroup" ]; then
            echo -en "Group ${g##*/}:\t"
        else
            echo -en "\t\t"

r15ch13

# Converts Flipper SubGhz RAW Files to PSCustomObject[]
function ConvertFrom-SubGhzRAW {
    param(
        [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true)]
        [String] $Path
    )

    process {
        $data = Get-Content $Path
        if(!$data.Contains("Filetype: Flipper SubGhz RAW File")) {

r15ch13

Compiling rtl8822bu for Raspberry Pi

A small How-to for compiling the rtl8822bu wifi drivers on a Raspberry Pi.

Tested with the EDIMAX EW-7822UTC AC1200

Requirements

sudo apt install raspberrypi-kernel-headers

r15ch13

# set the folder format in your shanaproject.com settings to: {title} ({year})

templates:
  global:
    magnets: no
    thetvdb_lookup: yes
    transmission:
      enabled: yes
      host: 127.0.0.1

r15ch13

HA_HOST=http://myhomeassistant:8123
HA_TOKEN=long lived token
HA_SWITCH=entity_id

r15ch13

@echo off
setlocal enableextensions
chcp 65001
set input=%1
set device=%2
set loglevel=quiet
for %%i in ("%~f1") do set dirname=%%~dpi
for %%i in ("%~f1") do set extension=%%~xi

set tempfile=%dirname%%RANDOM%-temp.m4a

r15ch13

Get pending printer jobs from a CUPS Printer with Node-RED

Inject the printer uri via the msg.topic from your calling node (e.g. Timestamp node).

Printer uri should look like this: ipp://mycupsserver:632/printers/Brother_HL2030

Add a function to your flow and add the module @sealsystems/ipp on the Setup tab.

Then add the following code to the On Message tab.

r15ch13

function Read-AudioBookChecksum {
    param(
        [Parameter(Mandatory=$true,
                Position=0,
                ParameterSetName="Path",
                ValueFromPipeline=$true,
                ValueFromPipelineByPropertyName=$true)]
        [ValidateNotNullOrEmpty()]
        [ValidateScript({ Test-Path $_ -Type Leaf })]
        [string]

r15ch13

Use smartplug with Octoprint PSU Control and Home Assistant

This explains how to use any smartplug connected to Home Assistant with Octoprint PSU Control.

It's based on a comment by tht and a Tasmota sonoff thread in the Octoprint forum.

Installation

The installation consist of three simple steps: create a config file, copy the script and change the PSU Control settings

r15ch13

How to set up a print server on a Raspberry Pi with CUPS

Install CUPS and make it available

sudo apt-get install cups
sudo cupsctl --remote-any
sudo /etc/init.d/cups restart

Install foomatic database to get more printers