![]() I didn't measure linearity of the light sensor, it gives 65535 in a dark room away form desk lamp. Temperature is in Celsius, value is in tenths of degrees Celsius. ![]() ![]() I test all sensors before shipping and they give about 290 - 310 in free air at 5V supply. They are not calibrated to any particular si units - this is up to you. Meaning, more moisture will give you higher reading, more light, lower reading. How to interpret the readingsġ6bit values are returned most significant byte first.īoth light and moisture sensors give relative values. GET_BUSY returns 1 if any measurement is in progress, 0 otherwise. There is also an RS485 and an analog version available.Īvailable registers for reading and writing. A continuation of the Chirp - plant watering alarm project.
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