Part two of this series covers the software for the parking sensor which sends the data via MQTT to a broker.
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In part one of this series I am focusing on the hardware which is needed to build you own parking sensor
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How to turn on and off all CAP interfaces with a certain naming pattern by script
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This article shows how to port the LuaRTOS opeating system to the TTGO Lora v2.0 board
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How to connect to your home network with a simple, but yet secure VPN setup.
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How to use HamNet without an antenna (but with VPN) from your whole network
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How to create a network boot server out of OpenWrt and a Synology NAS which is able to boot (nearly) all system / rescue CDs via the network.
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How to replace an (annoying, nearly monochrome) background from image with a transparent one on the fly with pure Java
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How to port a real-time operating system to a new platform in order to get a highly versatile IoT platform
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How to download and add a self-signed SSL certificate from a server to get rid of warnings
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