Build a Custom OLED Keychain Buddy with an ESP32 S3 from Scratch

Build a tiny ESP32 OLED keychain with a 1.3-inch display and custom 3D-printed enclosure. Wire the ESP32 S3 and program it ...
XDA Developers

Your ESP32 has PSRAM sitting there unused, and most tutorials forget to mention it

When you’re tinkering with ESP32 microcontrollers, choosing the right setup can make the difference between a smooth-sailing ...

Which ESP32 Should You Choose? Variants and Features 2026 Guide

Choose the right ESP32 microcontroller for your next project. We compare the dual-core ESP32S3, Wi-Fi 6 capable ESP32C6, and ...
CNX Software

M5Stack PaperDIY Kits pair an ESP32-S3 MCU with a 4.7-inch e-Paper display

M5Stack has released the PaperDIY series, an updated version of its 2020 M5Paper ESP32 development kit, featuring an ESP32-S3 ...
Hackaday

Grbl Ported To The ESP32

If you’re building a CNC or laser, there’s an excellent chance you’ll be using Grbl to get moving. It’s also a pretty safe bet you’d end up running it on some variation of the Arduino sitting in a ...
Hackaday

Arduino Library Brings Rtl_433 To The ESP32

If you have an RTL-SDR compatible radio there’s an excellent chance you’ve heard of the rtl_433 project, which lets you receive and decode signals from an ever-expanding list of supported devices in ...