Using DAC’s on an Arduino
This article shows how to use the MCP4725 DAC (Digital to Analogue Converter) on an Arduino. Arduino’s like many other MCU’s lack this useful functionality.
speaker
Driving a Speaker
Driving a Speaker – Adding an Audio Amplifier (Adding the PAM8403 to a MCU) Piezo speakers (see here) are great where you don’t need high quality or loud sound or indeed where space is at a premium. But for anything else a small (or even large speaker) is the only […]