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OpenMetrics/Prometheus exporter for IKEA sparsnäs energy monitor

Receiver for the IKEA sparsnäs energy monitor using RFM69 radio module. Exposes the data in openmetrics format (that prometheus can scrape).

Usage

USAGE:
    sparsnas-openmetrics [OPTIONS] <SERIAL>

ARGS:
    <SERIAL>

OPTIONS:
    -h, --help                                                 Print help information
    -o, --openmetrics-port <OPENMETRICS_PORT>                  [default: 3030]
        --openmetrics-listen-addr <OPENMETRICS_LISTEN_ADDR>    [default: ::]
    -p, --pulses-per-kwh <PULSES_PER_KWH>                      [default: 1000]
    -v, --verbose
    -V, --version                                              Print version information

An example unit file for systemd (sparsnas-openmetrics.service) is included, which needs to be modified to have correct serial number before linking it.

Hardware

This expects to run on a Raspberry Pi with an RFM69 module (868MHz variant!) connected to the SPI interface on the gpio header.

RFM69 name RPi pin
RESET 29 GPIO 05
DIO0 18 GPIO 24
3.3V 17
NSS 24 SPI_CE0_N
MOSI 19 SPI_MOSI
MISO 21 SPI_MISO
SCK 23 SPI_CLK
ANTENNA
GND 25

https://www.electrokit.com/produkt/rfm69hcw-868mhz-transceiver/

Cross compiling

cross build --target=armv7-unknown-linux-gnueabihf

License

Apache License, Version 2.0