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

# 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

#!/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

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

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

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

Something like this: https://developer.github.com/v4/explorer/

{
  search(first: 10, query: "topic:scoop-bucket", type: REPOSITORY) {
    repositoryCount
    pageInfo {
      hasNextPage
      hasPreviousPage
    }
    nodes {

r15ch13

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

r15ch13

[Unreleased]

[87a1e7] - 2019-05-12

Bug Fixes

• decompress: Fix dark parameter order
• depends: don't force adding dark dependency (#3453)
• update: Rewording PowerShell update notice