I MADE A coronavirus sensor say that there was a person there behind the sensor or they were holding it once the first red light goes on.
So Basically it is a device which helps us to know the height of the person and this is one of the best projects of my life !!!!!!!
You will learn how to make a light meter with Arduino.
In this tutorial, I will show you how to interface RFID-RC522 with Raspberry Pi4 with some simple step
Learn how to connect a LED battery bar to a 74HC595 IO expander, and control it using a Rotary encoder, all using Meadow. Foundation.
Why get up when you can operate using the mobile in your hand??
You can make more than one led blink!
Learn how to use the infrared receiver (U24) of Snap Circuits to detect input from remote controls with the micro:bit.
LAN Bottle server that handles HTTP requests using Raspberry Pi 4, Adafruit DHT11 and a RGB LED.