The fantastic SHT10 soil temperature and humidity sensor comes enclosed in a weatherproof-but-permeable casing that allows it to measure the conditions of soil while being resilient to damage by changes in the environment. The casing prevents water from reaching the sensor even when completely submerged, but it allows air to pass through for measuring temperature and humidity. It's imperative, however, to limit submersions to 1 hour or less at a time. Because the measured data is transmitted digitally, there is no signal degradation over long distances. The protocol used for data transmission is a 2-Wire proprietary one from Sensirion that can co-exist with I2C: "The sensor cannot be addressed by I2C protocol; however, the sensor can be connected to an I2C bus without interference with other devices connected to the bus." Features: Usable temperature range: –40~120°C and 0~100% RH Resolution: 14-bit Communication: 2-Wire protocol Accuracy: ±0.5°C in the range –10~85°C and 4.5% in the entire RH range Operating Voltage: 3.0~5.5V (power/data) We have written useful guides for getting you started with the SHT10: ESP8266: https://learn.acrobotic.com/tutorials/
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