An Arduino project implementing a security alarm system featuring ... using an HC-SR04 ultrasonic sensor, and audible/visual alerts. Users can arm/disarm the system and change the PIN. 1x ~220-330 Ohm ...

The tipster revealed that the Find X9 series is likely to offer ultrasonic in-display fingerprint sensors for improved biometric accuracy, replacing the short-focus fingerprint solution seen on ...

🛠️🌍 Wi-Fi controlled four-wheeled scout vehicle using dual Arduino Uno R4 boards, ultrasonic sensor, turret rotation, and LCD display for real-time obstacle detection.

The power management includes two buck converters, an LDO, and eight LED drivers, supporting up to 64 LEDs in an 8 × 8 matrix organization. It makes this system the most complete and versatile sensor ...

These microcontroller based projects are covered with detailed explanation of working of hardware, circuit diagrams, software and codes.