I will show you how to interface a Raspberry PI with a DHT11 Sensor using Python in this article. Getting environmental conditions is the first and simplest task required to create more complex electronic automations. Raspberry PI with DHT11 sensor can get temperature and humidity values with cheap pieces. What is a DHT11 The DHT11 […]
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Infrared sensors are really common to devices which need to be controlled from a remote within reduced distances. Typical applications are in remoting TV, media center, robots, air conditioning systems, etc. With the growth of mass production, their prices have plummeted and can be found on e-commerce websites. Linux systems have a spread package called
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Ultrasonic Sensors are great for all kind of projects that need distance measurements, avoiding obstacles as example. The HC-SR04 is inexpensive and easy to use and can be easily connected with a Raspberry PI Ultrasonic sensor module HC-SR04 provides 2cm-400cm non-contact measurement function, the ranging accuracy can reach to 3mm. The basic principle of work:
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