Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely ...

APC issue 542 (February) is now available, ensuring you never miss another software update.

🔐 Arduino Keypad Door Lock System A simple and effective security system using Arduino Uno, a 4x4 matrix keypad, and a relay-controlled electric lock. This project allows you to unlock a door using a ...

Keypad and LCD Cipher Project This Arduino project utilizes a 4x4 matrix keypad and a LiquidCrystal display to create a simple cipher system. Users can input strings via the keypad, and the system ...

In this paper, the effectiveness of bulk gasket and shield cover is studied. Those materials are widely used in LCD TV, because they strengthen the PCB ground and suppress EMI radiation. In this paper ...

Mobile Technology In just a couple of decades, smartphones have become indispensable in our daily lives. Read on for news, reviews and comparisons of the latest smartphones, tablets and e-readers.