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Adafruit

The leaders in Maker electronics, Adafruit, have been manufacturing in the heart of New York City since 2005. Founded by Limor "Ladyada" Fried from her dorm room they have grown to over fifty employees. They offer a huge amount of learning material and tutorials for beginners and experts alike.

Adafruit

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DHT22 temperature-humidity sensor + extras   ADA385

The DHT22 is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when using our library, sensor readings can be up to 2 seconds old.

9,50€
(inkl. 19% USt zzgl. Versand)

2 übrig

DS18B20 Digital temperature sensor + extras   ADA374

These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter. They work great with any microcontroller using a single digital pin, and you can even connect multiple ones to the same pin, each one has a unique 64-bit ID burned in at the factory to differentiate them. Usable with 3.0-5.0V systems.

4,35€
(inkl. 19% USt zzgl. Versand)

35 auf lager