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Scoop.it!
Usually, temperature sensors are designed based on thermistors or thermocouples. They are used for collecting data from a specified area such as open-air, water, soil, etc. 
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Scoop.it!
Today we are going to look at five different sensors that can be used to measure temperature with an Arduino.
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One of the first sensors that newcomers to physical computing want to try out is something to measure temperature. Four of the most popular sensors are the TMP36, which has analogue output and needs an analogue to digital converter, the DS18B20, which uses one-wire connectivity, the DHT22, or the slightly cheaper DHT11, which just needs a digital pin, but also provides an humidity reading, and lastly the BME680 which uses I2C (with SPI as well on some breakout boards) and gives temperature, humidity, gas (VOC) and atmospheric pressure but costs a bit more.
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Leer la temperatura es una tarea muy útil y con muchas aplicaciones posibles y existe una amplia variedad de sensores de temperatura para Arduino con diferentes características que puedes usar en tus proyectos.
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There are a wide variety of temperature sensors compatible with Arduino, ESP32, ESP8266 and other development boards. So, it can be difficult to to pick up the most suitable sensor for your project. In this article, we’ll compare 6 widely used temperature sensors: DHT11, DHT22, LM35, DS18B20, BME280 and BMP180.
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A pesar de tener un nombre un poco raro, lo cierto es que el Sensor de temperatura MLX90614ESF es un sensor de temperatura que utiliza la luz infrarroja para medir la temperatura. Este sensor necesita pues tener un campo de visión de 90º y la temperatura media que tome lo enviará mediante señal de 10 bits a la placa Arduino. La señal es enviada de forma digital siguiendo el protocolo I2C o también podemos utilizar el protocolo PWM. A pesar de tener una tecnología avanzada, este sensor tiene un precio bastante bajo, lo podemos encontrar en las tiendas de electrónica por unos 13€, un precio bajo si tenemos en cuenta las posibilidades que ofrecen.
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