Fig. 2: Block diagram of digital frequency meter Circuit and working. The circuit diagram of the digital frequency meter is shown in Fig. 3. It consists of Arduino Uno board, optocoupler MCT2E (IC1), ...

A multimeter is a must-have tool in your arsenal when it comes to creating or developing electrical circuits.Without it, executing a job will be extremely tough. So, in this post, we chose to create a ...

Fig. 2: Block diagram of Arduino based digital capacitance meter. Here, NE555 timer (IC1) is operated with two external resistors (R1 and R2) and an unknown capacitor (Cx), whose value is to be ...

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 ...

Arduino enthusiasts and makers searching for a new project to keep them busy this weekend may be interested in a new DIY Arduino Nano multimeter created by YouTuber Electronoobs. Using a small ...