Keypad Door Lock - Arduino Tutorial

Introduction Designing a password-controlled 12V DC electromagnetic lock system using a 4×4 Arduino matrix keypad module and a 5V SPDT relay is a system that combines electronics and programming to build a secure access control … Read more

Keypad Door Lock – Arduino Tutorial

How to Interface Keypad with Arduino

Introduction Interfacing a 4×4 matrix keypad with an Arduino UNO microcontroller involves connecting the keypad to the microcontroller and programming the microcontroller to receive input from the keypad and perform desired actions based on that … Read more

How to Interface Keypad with Arduino

Temperature Sensor with OLED - Arduino Tutorial

Introduction Combining digital electronics, programming, and data visualization, interfacing a DS18B20 temperature sensor module with an SSD1306 OLED I2C 128×64 display using an Arduino UNO microcontroller is an exciting and educational project. This project allows … Read more

Temperature Sensor with OLED – Arduino Tutorial