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README.md

1-wire temperature metrics with prometheus

This is a simple package providing the temperature of a 1-wire sensor such as the DH1820 as prometheus metrics. It reads the w1_slave file at /sys/bus/w1/devices/<sensor>, parses it and provides the read temperature at a webserver running on port 2112 at /metrics.

Usage

Simply run the compiled program and provide the id of the sensor with the -s flag. The id is the name of the folder at /sys/bus/w1/devices/ containing the w1_slave file.

Building

To build this package for the raspberry pi zero:

GOOS=linux GOARCH=arm GOARM=6 go build -o 1-wire-temp-arm

To build for all other Pi's:

GOOS=linux GOARCH=arm GOARM=7 go build -o 1-wire-temp-arm