
Ideal for weather station projects. I used the Adafruit library and got started right away. Tested SPI and I2C protocols, both working fine. I have used them with Arduino Uno, Mega and Mini Pro. The only problem I have (reason for 4 stars) is that it is very rare for all sensors to get stuck and report max readings. Resetting the power supply always fixes the problem. In general, temperature, humidity and pressure sensors are very accurate and with good accuracy. I am very pleased with the quality of Adafruit compared to other manufacturers reminding you that you get what you pay for. sure you get the right product. Look for the Adafruit logo (asterisk). See attached picture.

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