Arduino announced today a new controller, the Esplora, which includes more prebuilt features and could be a step for Arduino toward a wider segment of the microcontroller market.

Then, we’ve added on flexible input and output circuitry, and an easy to use software library, to make working with analog signals as easy as blinking an LED.

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.