Learn how to build a DIY current and voltage meter using Arduino Nano. This project demonstrates step-by-step instructions to measure current, voltage, and wattage with precision. Using simple ...

If you’ve ever wanted to make your own VU meter but were scared off by the signal process you need to study this tutorial. The one drawback to the hardware choices made here is that there are ...

The standard Led Arduino Library (LedControl.h ... Watch this video on YouTube. Arduino Audio Meter Specifications: – Based on Arduino UNO board for signal processing (16MHz, 1KB RAM).

Depending on the music you’re listening to, watching a VU meter bounce ... he’s using an Arduino Uno (Atmega328p) which measures the audio level in order to modulate the LED output.

With hopes of “making an engineer’s life easier and safer,” Mauer solved this problem using an Arduino Pro Micro and a BLE module to show data from a Bluetooth-enabled multimeter.

Here is a useful circuit for Arduino lovers and experimenters. It is a simple digital voltmeter, which can safely measure input dc voltages in 0 to 30V range. The Arduino board can be powered from a ...