hand sanitizer
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Today, we are going to know how to make automatic hand sanitizer dispenser using Arduino board. As we know that COVID-19 disease is spreading wildly and our government and doctors are telling us that we can avoid this disease by washing hands regu
PIR IR sensor with arduino raspberry pi
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Hello, in our previous section we discussed the interfacing of an ultrasonic sensor with Raspberry Pi and I hope you enjoyed the section. In this blog, we are going to discuss the types of infrared sensors and interfacing of IR sensor with Raspbe