An Arduino Nano-based pulse oximeter and heart rate monitor using the MAX30102 sensor and a 0.96” OLED display. Displays SpO₂ and BPM in real-time, with push-button control and buzzer alerts. Compact, ...

The LED Pattern Door Lock System is an interactive electronic project built with an Arduino Nano and a 0.96″ I²C OLED display. The system allows users to unlock a virtual “door” by entering a ...

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This beginner-friendly project is perfect for learning basic electronics, sensors, and data ...

For as simple as it appears now, Space Invaders was one machine from the Golden Age of video games that always seemed to have a long line waiting for a chance to lose a couple of quarters. And by way ...