With a vertical 6-inch bargraph meter able to accommodate up to 2 channels, the NTM-9 carries an industry-standard housing of 2.16-in. width x 6-in. height x 3-in. depth and is available in either ...

Thus, when it’s not acting as a bar graph VU meter, it can also emulate old-school moving-needle meters. Though, it bears noting, the slow updates the Arduino makes to the display means it’s ...