The crisis of cutting-edge technology, and the manual orthodox attendance system outplayed by smart and secure biometric attendance using Arduino. Remote accessing application of GSM is incorporated ...

This paper describes the design, simulation in open loop and closed loop system and hardware implementation of buck converter which converters 12V DC to 6V DC at 31 kHz for 5 Watt load. Digital ...

Pinterest (PINS) Opinions on Digital Advertising Growth Potential June 22, 2025 — 01:00 pm EDT Written by Quiver DiscussionTracker for Quiver Quantitative -> ...

An Arduino Uno (CH340G clone) reads temperature and humidity from a DHT11 sensor and computes 10+ environmental metrics (heat index, dew point, enthalpy, humidex, vapor pressures, etc.), outputting ...

The MFRC522 RFID reader is connected to the Arduino Uno with VCC (3.3V) to 3.3V, GND to GND, RST to digital pin 7, SDA (SS) to digital pin 10, MOSI to pin 11, MISO to pin 12, and SCK to pin 13. The ...