Pi tutorial/library for our AM2315 – Encased I2C Temperature/Humidity Sensor #piday #raspberrypi @Raspberry_Pi

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Looking for a Pi tutorial/library for our AM2315 – Encased I2C Temperature/Humidity Sensor? Here’s one from Pavel Löbl (loblik) up on BitBucket:

This is a simple C library for reading data from AM2315 humdity/temperature sensor on linux. It uses standard i2c dev interface (/dev/i2c-0) to talk to the device. So it should work on any linux distribution.

Understanding the hardware

This library is just a simple interface for the sensor. There are some conditions which needs to be met when using the library. Othewise bad things can happen. And there is probably no simple way arround. Sampling time of the sensor is two seconds So you could have library call which takes couple of seconds to complete or overengineered multithreaded solution. Both ways seems wrong to me so you have to ensure in your application the conditions are met….

Read More.

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AM2315 – Encased I2C Temperature/Humidity Sensor: Finally we have an I2C-interface temperature & humidity sensor in a nice enclosed style. This sensor contains a DS18B20 temperature sensor and a capacitive humidity sensor. A small microcontroller inside does the readings and provides a simple I2C interface for reading the finished & calibrated output data. Especially nice is that this sensor is in a rugged case with mounting bracket, which makes it way superior to a normal PCB-mounted sensor. (read more)

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