An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

problem: it's not actually a problem but it would be better if you add support for rc522 rfid module which is from same manufacturer as pn532[as i know] but with less feature. In my region it's the ...

This project implements a wireless RFID attendance system for school events using an ESP32 and RC522 RFID module. Scans are sent via HTTP to a FastAPI backend server running on AWS EC2 that manages ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

VCC Power Connects to 3.3V on the Pico. GND Ground Common reference ground. MISO/DO Master In Slave Out SD → Pico data line. MOSI/DI Master Out Slave In Pico → SD data line. SCK SPI Clock Clock signal ...