These days, most of us are fortunate enough to use smartphones with decent touchscreen keyboard capabilities. However, once ...

The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

This Arduino-based dual-mode scientific calculator is a versatile and efficient tool for both basic and advanced calculations. In normal mode, it functions as a standard calculator, performing ...

This proposed Arduino-based automatic bell device is an electronic system that rings bells at predefined times without manual intervention. It is built around an Arduino Uno, which is programmed to ...

Radio Frequency Identification is widely used in contactless payment cards, National Highway Tollgate systems, and in security passes. By integrating an RFID reader with an Arduino, you will be able ...

Waveshare RP2350-USB-A is a small Raspberry Pi RP2350 board with a USB-C port for power and programming and a USB-A port to use the board as a USB device or host through a programmable IO (PIO) ...

So you finally decided to hop on the Arduino bandwagon and start making electronic projects as a fun hobby. As a beginner getting started with Arduino, your first instinct is typically to buy a ...

Today, We will review the Cytron Maker Uno RP2040 development board combining the Arduino UNO form factor with the Raspberry Pi RP2040 microcontroller that makes it programmable with the Arduino IDE ...

The Advanced KeyPad Library is used to connect a 4x4 Kepad by using a PFC8574 I2C-Interface. The Programming Interface is based on the I2CKeyPad library by Rob Tillaart, but with a complete new ...