Replacing my python gateway script with Node-RED: RFM2Pi packets decoded and forwarded to emonCMS in a visual, easy to extend flow.
NodeRED RFM2Pi to emonCMS gateway
In-memory SQL analysis of emonCMS feed
In-memory SQL over emonCMS feeds – min/max/avg analysis without touching the underlying database directly.
The YAPM PCB is done
The YAPM (Yet Another Power Monitor) PCB is done and preliminary tests pass – built between a new job and scarce hobby hours.
emoncms base-station with SD card based .ini file configuration
An emonCMS base-station configured from an .ini file on SD card – no re-flashing a NanodeRF for every user-specific setting.
Installing emoncms’s “events” module
Installing emonCMS’s events module – rule-based alerts and actions on top of the telemetry my sensors already log.
Logging manualy entered values to emonCMS using keypad
Logging body weight to emonCMS with a keypad and a coin-cell Funky v2 – punch in the scale readout, get a weight history graph.
pChart-ing emoncms data
Charting emonCMS data with pChart – a static PHP fallback for the feeds the built-in multigraphs render slowly or not at all.
Emoncms data on my phone
Getting my emonCMS data on my phone – tank and room temperatures at a glance without opening the laptop.
Capture, decode and log to emoncms RFM12B packets on Raspberry Pi
Capturing RFM12B packets on the Raspberry Pi, decoding them and logging to emonCMS – the receiving side of my sensor network.
Measuring the solar yield
Measuring the actual solar yield of my evacuated tube collector and comparing it against the calculated available energy in emonCMS.
Calculating the available solar energy and logging it to emoncms
Calculating the Sun’s position and available solar energy for my 2.088m² evacuated tube collector, logged to emonCMS as a baseline.
Software only solution for feeding weather data to emoncms
Feeding weather data to emonCMS with software only – no hardware, an online weather source covers humidity, pressure and wind.