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tomshardware.com › maker-stem

Researcher turns wi-fi smart lightbulb into a Banned Book Library — open source project makes digital books available via a server and open Wi-Fi access point hacked into an ESP32-powered bulb

… The security researcher chose a Tasmota‑flashed ESP32C3 smart bulb as the starting point for the stealth library project. …

Jun 20, 2026 · Mark Tyson

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tomshardware.com › maker-stem › microcontrollers-projects

Tiny credit card computer includes eInk screen and is just 1mm thick — Muxcard is powered by the ESP32-C3 microcontroller

… Right now the prototype specs are as follows: MCU: ESP32‑C3, a RISC-V CPU architecture, Wi‑Fi capable microcontroller with 320KB of usable SRAM and 384KB ROM. But future versions could use a more powerful ESP32‑S3 or nRF52/53. …

May 10, 2026 · Mark Tyson

tomshardware.com › video-games › retro-gaming

Designer turns discontinued E-Ink dev board into a 60Hz Game Boy handheld — dual-core chip runs at 100% to power handheld, 960x540 display employs ultra-low-cost ESP32-S3 microcontroller

… This process takes up almost the entirety of the second CPU core in the ESP32, leaving just enough room for audio processing while the actual emulation happens on the first CPU core. …

Jun 30, 2026 · Zak Killian

tomshardware.com › maker-stem › microcontrollers-projects

Wi-Fi controlled hacking USB cable stealthily packs in a microcontroller, microSD storage, and more — cable executes remote payload execution, keystroke injection, and more, but is 'built for makers, developers, enthusiasts, and cybersecurity learners'

… Hacknect - World’s First ESP32-S3 Hacking Cable with SD Card - YouTube Watch On Wireless wire with secret teeth Electronics makers and gadget DIYers will probably be familiar with the ESP32-S3 microcontroller at the heart of the Hacknect. …

May 23, 2026 · Mark Tyson