When building circuits using microcontrollers, you may encounter this situation: "The input turns HIGH or LOW on its own even ...

All that remains is the grid. When held at 0 V, it turns off all the segments, regardless of the potentials driving them.

The best aspect of ESP32 boards, aside from their inexpensive price tags, is their versatility. Toss in a couple of resistors, capacitors, and breadboards, and you can train your circuit-building ...

Ayush Pande is a PC hardware and gaming writer. When he's not working on a new article, you can find him with his head stuck inside a PC or tinkering with a server operating system. Besides computing, ...

In the previous chapter, we learned how to specify an angle for a servo motor and move it to a set position. This time, we will control a brushed DC motor that continues to rotate as long as it is ...

Although this project may be a bit esoteric, the concepts shown to reduce I/O requirements can also be applied to other systems. I designed a device that has, as part of its function, multiple pipes ...

How I Became a Trader With $60K(18:15) Surviving Day 1 of Anything(20:35) The Comfort Trap(23:50) Finding Your Arb(32:00) No ...

Color Pulse is a portable, single-player memory game: watch a sequence of colored lights, listen to their notes, then repeat the sequence using the matching buttons. Each successful round adds one new ...

A small 4-layer ESP32-S3 board with native USB-C, an ENS210 sensor and an RGB LED. Designed in KiCad 9, made by JLCPCB, worked first time. I wanted a dev board I had designed myself, not another ...

The Philips CD-i was not popular upon its launch in 1991, and is barely acknowledged today. In the opinion of [MattKC], it had a particularly poor selection of controllers, too, and it’s often hard to ...

Results will be published here as soon as judging wraps. In the meantime, community voting on the top submissions stays open, every heart counts toward the community-choice winner.