Designed a real-time LPG leakage detection system using an MQ-5 sensor and Arduino UNO. The system monitors gas levels and sends SMS/calls via a GSM module ...

HAL-based driver for the HC-SR04 ultrasonic sensor, implemented on an STM32F446RE Nucleo board. Key features include temperature-compensated distance calculation, pulse width validation with hardware ...

The LCD displays for Nokia phones have seen a ton ... surprisingly using only an ATMega32 microprocessor. The build started off by saving uncompressed image data on an SD card using code from ...