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rpi-w1-ds18b20/mqtt/send
2026-09-23 08:18:17 +00:00

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#!/bin/bash
source ./1wire
FILES=$(find -L /sys/bus/w1/devices/ -maxdepth 2 -name temperature)
SENSORS=()
for f in $FILES
do
s=${f%/*}
s=${s##*-}
v=$(cat $f)
SENSOR=${s}
VALUE=${v/#[0-9][0-9]/&.}
VALUE=$(echo "scale=1; (10*($VALUE+0.5))/10" | /usr/bin/bc)
# Overrides SENSOR - Example: env.sensor_0_0 Batterie
ENV_SENSOR_VAR_NAME="alias_${SENSOR}"
ENV_SENSOR_NAME=${!ENV_SENSOR_VAR_NAME}
if [ -n "${ENV_SENSOR_NAME}" ]; then
SENSOR="${ENV_SENSOR_NAME}"
fi
echo "${SENSOR}.value ${VALUE}"
SENSOR_NAME="${SENSOR}" SENSOR_UNIT="°C" DEVICE_NAME="heat-pi 1wire" ./mqtt ${VALUE}
done
exit