volschin

from hidapi import Device
vid = 0x04d9
pid = 0xa052

try:
    print("Opening the device")

    h = Device(vendor_id=vid, product_id=pid, blocking=False)
    #h.open(vid, pid)  # TREZOR VendorID/ProductID

volschin

#!/bin/sh /etc/rc.common

START=50

USE_PROCD=1
NAME=co2mon
PROG=/root/co2mon/hidapi_co2mon.py

start_service() {
	local url=$(uci -q get co2mon.@co2mon[0].url)

volschin

Configuring Deutsche Telekom FTTH Access with OpenWRT

After looking for alternatves to the suggested Router from Telekom (AVM FritzBox and HUawei Speedport), I've discovered the possibility of configuring my existing OpenWRT Router to act as gateway to the Telekom FTTH (Fiber To The Home) Magenta Zuhause package.

TL;DR

The WAN interface must be configured as follows (see your Telekom letter):

• Protocol: PPPoE
• PAP/CHAP username:

volschin

#!/usr/bin/env sh

set -e

# Verify that dashboards are ready
response_code=0
while [ "$response_code" -ne 200 ] ; do
  echo "Waiting for dashboards to be ready..."
  sleep 5
  path="/api/dashboards/uid/some_dashboard"

volschin

"""
 * TS0601 ZG-204ZM
 * _TZE200_kb5noeto
 * https://de.aliexpress.com/item/1005006174074799.html ("Color": Mmwave PIR)
 * https://github.com/13717033460/zigbee-herdsman-converters/blob/6c9cf1b0de836ec2172d569568d3c7fe75268958/src/devices/tuya.ts#L5730-L5762
 * https://www.zigbee2mqtt.io/devices/ZG-204ZM.html
 * https://smarthomescene.com/reviews/zigbee-battery-powered-presence-sensor-zg-204zm-review/
 * https://doc.szalarm.com/zg-205ZL/cntop_zigbee_sensor.js
 * https://github.com/Koenkk/zigbee2mqtt/issues/21919
"""

volschin

microk8s & fluxcd

(optional) prepare the server

# install at https://multipass.run/
multipass launch --name microk8s-flux --mem 2G
multipass shell microk8s-flux

# assume ubuntu with snap installed, if not install it via
apt install snapd

volschin

Scratch nodes WIP

talosctl gen config talos-kubevirt https://talos-kubevirt.home.arpa:6443 --additional-sans 192.168.1.70,talos-kubevirt --install-disk /dev/vda --output-dir $(pwd)/talos
❯ cat deploy.sh
#kubectl --kubeconfig $HOME/.kube/poweredge delete -f ./kubevirt/
#sleep 12
#kubectl --kubeconfig $HOME/.kube/poweredge apply -f ./kubevirt/

#sleep 120

volschin

<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>Roon Server</short>
  <description>Roon Server from Roon Labs plays music according to instructions from Roon Controllers</description>
  <!-- per https://community.roonlabs.com/t/connection-failed-and-chromecast-issues-roon-using-new-additional-network-ports-since-880/181528/18 -->
  <!-- unclear if necessary: port protocol="tcp" port="8008-8009"/ -->
  <port protocol="udp" port="9003"/>
  <port protocol="tcp" port="9330-9339"/>
  <port protocol="tcp" port="30000-30010"/>
  <!-- unclear if necessary: port protocol="udp" port="32768-65535"/ -->

volschin

apiVersion: apps/v1
kind: Deployment
metadata:
  name: cert-manager-webhook
  namespace: kube-system
spec:
  template:
    spec:
      containers:
        - name: cert-manager-webhook

volschin

#!/bin/sh

# monitor asound status changes and trigger mqtt events

SND_STATUS="/proc/asound/card1/pcm0p/sub0/status"
MQTT_TOPIC="shellies/shelly1-xxxxx/relay/0/command"
MQTT_HOST="mqtt.home"

while true ; do
    value=`cat $SND_STATUS | egrep 'state|closed'`