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.

Older hackers will remember that a crystal set radio receiver was often one of the first projects attempted. Times have changed, but there’s still something magical about gathering invisible ...

As ridiculous as this sounds, the upcoming LG G8 ThinQ is going to pack an OLED display that can actually act as an audio amplifier — pardon the pun. In a post on the official LG Newsroom ...

Then I came across something very interesting. A set of two OLED displays with a 1.3” screen size. Very small but should be good for some Arduino projects, right? After a quick skim over the ...

Player feedback has been at the heart of the design for the refreshed and upgraded Mako MkII ACS1 amp ... control and BPM readout – you can now see the wisdom behind R&D’s decision to equip these MkII ...

We reckon a good 97% of you will never need an audio mixer of this magnitude, but regardless, Calrec's digital ... own display for monitoring individual status. Above those rest large OLED ...

The Chinese audio specialist ... this little digital amplifier, it screams quality. Not only is its premium-looking body made from aluminum, it also rocks the aforementioned OLED display, with ...

The weak audio input signal is amplified and filtered, preparing it for the Arduino UNO ADC (Analog to Digital Converter). A rail-to-rail operational amplifier is used (MCP6002) to amplify the ...