What sensor should I use for for measuring temperature inside a concrete wall
Posted: Mon Mar 23, 2026 6:12 am
I'd like to get the temperature at various depths inside a 200mm concrete wall that is being used for thermal mass.
Sensor should have an accuracy of +/- 0.5C
Let's say 5 sensors one on the exterior of the wall, then at 50mm, 100mm, 150mm and the inside of the wall.
That way I can measure the heating effect as it passes through the wall.
I'd like to use the minimum number of wires possible so 1-wire, I2C or SPI seem to be the go. Not sure about 1-wire and multiple sensors.
I only want the temperature although humidity might be of interest.
Is the BME280 a good choice or is it overkill.
Sensor should have an accuracy of +/- 0.5C
Let's say 5 sensors one on the exterior of the wall, then at 50mm, 100mm, 150mm and the inside of the wall.
That way I can measure the heating effect as it passes through the wall.
I'd like to use the minimum number of wires possible so 1-wire, I2C or SPI seem to be the go. Not sure about 1-wire and multiple sensors.
I only want the temperature although humidity might be of interest.
Is the BME280 a good choice or is it overkill.