Resistors used: Red - 82 ohm, Green - 56 ohm, Blue - 56 ohm. Allowing approximately 20 mA to flow through LED. Cathode (-) pins of RGB are connected to 8-bit PWM pins of Arduino for voltage control.
This project utilizes an Arduino Uno, a sound sensor, and a Bluetooth module (HC-5) to create an interactive LED matrix display. The project can be controlled via a mobile application, allowing you to ...
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