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.

This supplies the load through a male connector output and also powers the Arduino, an INA219 sensor, and a 0.96” OLED ... INA219 Current Sensor’ video. But I wanted a compact meter with ...

The USB interface is being increasingly used as a power supply and charging port for all kinds of devices, besides data transfer. A meter to measure the electrical parameters of devices connected ...

Arduino enthusiasts and makers looking for a project to keep them busy this weekend may be interested in a new Arduino powered DIY Gauss meter that ... Uno and a tiny OLED display into something ...

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The U1273A features excellent display quality with its crystal-clear OLED screen ... The U1190 Series clamp meters enable safe measurements of electrical current in the 400 to 600 A range.