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SDR Help Wanted
I have in front of me an Alevel 0214 ‘Smart LPG Tank Level Sensor’ from IMR – http://www.smartgasmetering.com/en/products/19-alevel-214 . Simply put, it converts the magnetic float level gauge on an LPG tank into bursts of 433Mhz data. It is designed, in turn, to work with an OKO 5100 receiver unit […]
Read MoreNetgear D6000 Notes
System specifications at https://wikidevi.com/wiki/Netgear_D6000 CPU / Ethernet : RT63368F Ethernet Switch : MT7530BU Open the top lid just by prising it apart. There are no screws, just clips around all 4 edges. There is a serial interface header at the front center of the board, with 4 pins. Working from […]
Read MoreIPXE and Coreboot Ramblings
This is more a collection of notes compiled from my command history. It hasn’t been repeated… I have a motherboard that is Coreboot compatible. Coreboot comes with a basic payload that permits booting from local disks, but requires other payloads to be added if required – such as IPXE. Need […]
Read MoreAWS G2 GPU vs unattended-upgrade
Recently we noticed that our AWS G2 GPU instances were no longer working correctly after a reboot. We were being greeted with the joyful message of [ 6710.061115] NVRM: The NVIDIA GRID K520 GPU installed in this system is NVRM: supported through the NVIDIA 367.xx Legacy drivers. Please NVRM: visit […]
Read MoreServer side geofencing with Owntracks, Node-Red and Domoticz
Where to start? The first challenge was getting data from my phone on public networks to my private MQTT server. At home I run Mosquitto for handling any message brokering, particularly with Domoticz and Node-Red pushing messages around. I won’t go into the details, but suffice to say I have […]
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