The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...

The cdcarduino library provides support for Arduino USB CDC ACM boards such as the Uno and Mega 2560. The library detects Arduino boards based on their USB Vendor ID and Product ID. Methods to reset ...

Abstract: This system presents the design and implementation of a password-based door lock system integrated with LED light control for enhanced security. The proposed system allows password entry ...

Based on an Espressif Systems ESP32-P4NRW32 SoC with a 400 MHz dual-core RISC-V CPU, 768 KB RAM, and 32MB PSRAM, Olimex ESP32-P4-PC is one of the most feature-rich ESP32-P4 boards on the market so far ...

DACs (digital-to-analogue converters) are one of the most important hi-fi components of our times. With online music streaming so widespread and popular, digital sources and connections are now the ...