The aim of this project is to develop a circuit that can count the number of people entering and exiting a room using two Infrared (IR) sensors connected to an Arduino UNO. This bidirectional counter ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

The SGP30 is a digital multi-pixel gas sensor designed foreasy integration into air purifier, demand-controlledventilation, and IoT applications. Sensirion’s CMOSens®technology offers a complete ...

Browse 500+ Arduino projects with downloadable code and circuit diagrams. ... How to Send SMS with Arduino UNO R4 via Internet? ... March 27, 2025. How to build Blind Stick using Arduino Nano and ...