The hardware was assembled by connecting the Arduino UNO R4 WiFi, the PZEM 004T, the current transformer, and the OLED ...

It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

Engineering used to move in seasons, with requirements one quarter, schematics the next, and boards and firmware last.

When you’re programming microcontrollers, you’re likely to think in C if you’re old-school, Rust if you’re trendy, or Python if you want it done quick and have resources to ...

This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels ...

In part 3 of this series, we used Kirchhoff’s voltage law to derive the branch currents and node voltages for an unbalanced ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...