Your ESP32 doesn’t need solder to be useful.

In going along with my Son's RGB case upgrade, I'm looking at changing the non addressable strip he has along his wall to an addressable one, controlled by his PC. This strip is an example of what ...

The WS2812, or “Neopixels”, or whatever you want to call them, are the standard when it comes to adding blinky to anything. These chips are individually addressable RGB LEDs, which you’ve seen in many ...

Homebrew 8-bit computers tend to have fairly limited displays, often one or more seven-segment displays and an array of LEDs to show the values of RAM or perhaps some other states of the computer.