The sensor is embedded inside to measure the temperature and humidity so uh it. It combines and both temperature and humidity to create and digital signal, so it uses capacitive humidity sensor inside a bend and innate embedded here. So how does it work uh? It is a usual low cost. The data pin where you wire it with your microcontroller and then ground the ground is usually where you Music, you ground. The pin out it is mainly three that is the vcc, where your power return using five volts. It usually have just three pins and the pin diagram can be seen here. What is adhd sensor this sensor is this small stuff here and uh. If you dont understand what this means, please, i recommend you view my last two videos and the links are just below, and i wish to really introduce ourselves into basic sensors and uh that those will help us so much when we are designing pcbs, because we shall Be dealing with a lot of sensors so for today, im going to demonstrate a simple project based on a dht sensor and a relay an arduino on protease and simple firmware coding in arduino and ill provide everything the circuits and you can try it yourself so uh.
We shall be be diving deep into pcb design, prototyping and firmware so um and before we get deep into iot internet of things.
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