Avalanche photodiodes (APDs) for ultra-sensitive infrared detection at eye-safe wavelengths are built around compound ...

The presented integrated optical distance measurement sensor works on the time-of-flight principle. The distance information is obtained from the correlation of received light and the transmitted ...

This study proposes a novel light-emitting diode (LED) driver circuit that stabilizes the lighting output without a photodiode. The LED driver circuit is composed of a self-alignment circuit to ...

Support circuits for the photodiode array and image-processing blocks constitute the rest of the chip. Vertical-shift registers control the reset, integrate, and readout cycle for each line of the ...

Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.

🔴 Laser-Based Optical Communication System This project demonstrates a simple yet adaptive laser communication system built using Arduino. It was developed as part of a final assignment for a ...

Learn how to build a WiFi-controlled drone using ESP32 modules and MPU6050 IMU. This DIY project offers stability control, smartphone control, and easy upgradability. Get step-by-step instructions and ...

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