So it’s unsurprising to see that after launching a single-board computer powered by an RP2040 chip in 2024, Olimex has ...

Efficient Power Conversion Corporation (EPC) announces the release of the EPC91109, a performance evaluation board designed to demonstrate the benefits of enhancement-mode gallium nitride (eGaN) power ...

The relay board has a built-in error that must be found and fixed before use, turning learning into a real task with ...

Max Imagination has published the making of a DIY spherical robot that moves by rolling inside a transparent plastic ball. It ...

The act of turning on your PC is a simple one, but pressing the power button isn't the only way to do it. In fact, I would argue the power button is archaic, and there are significantly more ...

Build a modern twist on the classic Theremin using time-of-flight sensors and analog sound generation. No musical talent ...

The schematic in Figure 2 outlines a design aimed at simplifying sensor testing with the ESP32-S3 module as the central controller. The ESP32-S3 was chosen for its dual-core capabilities and strong ...

Welcome to the OKD Nova ESP32-C3 16MB Development Board repository! This open-source project provides all the necessary files and information for the development board based on the ESP32-C3 ...

A breadboard is used for wiring. A 100-kilo-ohm resistor is connected between base and collector of transistor T1. Capacitor C1’s negative terminal connects to the base of T1 and the positive terminal ...

While some details haven’t been finalized yet, the basic elements include an ESP32-S3 system-on-a-chip combined with a small E Ink display and a custom printed circuit board with a QWERTY keyboard.

In terms of hardware, it’s the standard SBM-20 circuit augmented with a LILYGO ESP32 development board that includes a TFT display. But where this one really shines is the firmware.