LimeNET-micro setup with Raspbian

#SDR

A LimeNET-micro just arrived, and the plan was to test Ubuntu Core for CM3 and the LimeNET snaps. But that won’t boot (I still need to check the older Core 16) and while I figure out if the DTB or the boot setup is wrong I run Raspbian. Here are some notes to set that up with rtl_433.

rtl_433 with MQTT, Graphite, InfluxDB, …

#SDR

The ISM-band decoder (433.92 MHz, 915 MHz – in America, 868 MHz – actually SRD-band) rtl_433 can output events and data to network easily. Here is a short guide.

SDR Nyquist effect plugin to AM decode IQ signals

#SDR

A simple Nyquist effect plugin to convert I/Q (in-phase and quadrature) signals to Amplitude/Phase (AM decode radio signals). Analyse and decode On-Off-Keying (OOK) / Amplitude-Shift-Keying (ASK) signals recorded by e.g. RTL-SDR software with Audacity.

Dead Pixel Tester

#Misc

No need to download some shady app just to test your screens pixels. Free, open, portable, fast, universally available! Bring out your dead … pixels.

Rotating Folder Backup Script

#Script #Backup

How do you create folder backup archives and limit the size by rotating old ones out? A common task and there are plenty of solutions. This is more or less the poor man’s solution I’m running from cron.

GKrellM SNMP Plugin

#Plugin #GKrellM #SNMP #gkrellm-snmp

Your great monitor stack GKrellM is now able to read SNMP agents.

Do'SSi Zo'la Linux game

#Patch #Linux #Game #dossizola

Do’SSi Zo’la is a board game under GPL licence, using SDL. You can play with two players or you can play on your own against the computer.

GKrellM Timers Plugin

#Plugin #GKrellM #gkrellm-timers

A versatile timer plugin for GKrellM.