Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...
Arduino (Elegoo Mega 2560) LCD & Keypad Calculator Overview A fully functional calculator built using an Elegoo Mega 2560 (Arduino-compatible), a 16x2 LCD, and a 4x4 keypad. This project demonstrates ...
STM32F103C8T6 digital thermometer project with LM35 temperature sensor and 74HC595 shift registers driven 7-segment display. Features register-level ADC reading and SPI communication, with CubeMX ...
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