The 10K potentiometer is connected to the analog input AO, as indicated in the hookup diagram. Prototype @ Work /* * Arduino 4x7 LED Display * Displays numbers ranging from 0 through 1023 * Test Code ...

Looking for a digital recreation of the classic analog volume unit (VU) meter? If you’ve got an Arduino, a few passive components, and a SSD1306 OLED, then [mircemk] might have the answer for… ...

Arduino has launched its next generation of UNO boards, introducing a 32-bit Renesas microcontroller and Espressif ESP32-S3 module, one-click cloud connectivity and plenty of I/O plus a 12×8 red LED ...