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 you. As ...

This was based on the discussion here - the Arduino-mbed-Pico board uses a fixed i2c-1 assignment for SDA and SCL. The Adafruit example used, had its i2c address changed from 0x3D to 0x3C for this ...