GoKawiil - Tech News

1.

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 (tomshardware.com)

2026-06-20 | by Mark Tyson | get ESP32 Wi-Fi Smart Lightbulb → | tags: esp32, tasmota, banned books

2.

I programmed a $7 ESP32-S3 board to block all computer's web ads - and it took just minutes (zdnet.com)

2026-06-18 | by Adrian Kingsley-Hughes | get ESP32-S3 Wi-Fi Module → | tags: esp32-s3, raspberry pi, dns sinkhole

3.

How I block ads with a $7 Raspberry Pi alternative - it's easy (zdnet.com)

2026-06-17 | by Adrian Kingsley-Hughes | get Pi-hole Network Ad Blocker → | tags: raspberry pi, esp32, ad blocking

4.

Show HN: Capacitor Alarm Clock (news.ycombinator.com)

2026-06-14 | get Digital Alarm Clock Kit → | tags: capacitor, esp32, jlcpcb

5.

ESP32-S31 (news.ycombinator.com)

2026-06-03 | get ESP32-S3 Development Board → | tags: esp32-s31, esp32, microcontroller

6.

Muxcard, a DIY credit card size computer (news.ycombinator.com)

2026-05-31 | get Raspberry Pi Zero W → | tags: muxcard, esp32-c3, e-paper display

7.

Muxcard, a dyi credit card size computer (news.ycombinator.com)

2026-05-31 | get Raspberry Pi Zero W → | tags: muxcard, esp32-c3, flipper zero

8.

PCMFlowG722 wideband (HD voice) codec for ESP32 (news.ycombinator.com)

2026-05-30 | get ESP32 Audio Development Kit → | tags: g722, esp32, voip

9.

A self-powered computer in actual credit-card size (~1mm thick) (news.ycombinator.com)

2026-05-23 | tags: esp32-c3, epaper display, lipo battery

10.

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' (tomshardware.com)

2026-05-23 | by Mark Tyson | get USB Rubber Ducky → | tags: esp32-s3, hacknect, microcontroller

11.

RuView – See through walls with WiFi (news.ycombinator.com)

2026-05-19 | get WiFi Signal Analyzer Tool → | tags: wifi, esp32, channel state information

12.

Graphing Scientific Calculator Based on the ESP32 (news.ycombinator.com)

2026-05-15 | get ESP32 Dev Kit Board → | tags: esp32, numworks, casio fx-991ex

13.

Bare-metal STM32: vector table, linker script, and startup code from scratch (news.ycombinator.com)

2026-05-12 | get STM32 Development Kit → | tags: stm32, esp32, nucleo

14.

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

2026-05-10 | by Mark Tyson | get ESP32-C3 Development Board → | tags: esp32-c3, eink display, nfc

15.

Community firmware for the Xteink X4 e-paper reader (news.ycombinator.com)

2026-05-05 | get Xteink X4 E-Paper Firmware → | tags: xteink, crosspoint reader, esp32-c3

16.

Biscuit (news.ycombinator.com)

2026-05-05 | get Biscuit Maker Set → | tags: xteink, biscuit, esp32-c3

17.

This open-source E-Ink smartwatch project trades features for extreme battery life (androidauthority.com)

2026-04-29 | get E-Ink Smartwatch Kit → | tags: e-ink, lightink, esp32

18.

Easyduino: Open Source PCB Devboards for KiCad (news.ycombinator.com)

2026-04-27 | get Easyduino Starter Kit → | tags: arduino, esp32, raspberry pi pico

19.

Open-Source KiCad PCBs for Common Arduino, ESP32, RP2040 Boards (news.ycombinator.com)

2026-04-27 | get KiCad PCB Design Kit → | tags: kicad, arduino, esp32

20.

Running Bare-Metal Rust Alongside ESP-IDF on the ESP32-S3's Second Core (news.ycombinator.com)

2026-04-24 | get ESP32-S3 Dual-Core Development Kit → | tags: esp32-s3, esp-idf, rust

21.

A programmable watch you can actually wear (news.ycombinator.com)

2026-04-21 | get Samsung Galaxy Watch 5 → | tags: lilygo, t-watch ultra, esp32-s3

22.

A DIY Watch You Can Actually Wear (news.ycombinator.com)

2026-04-21 | get DIY Watch Kit → | tags: lilygo, t-watch ultra, esp32-s3

23.

Techie buys fake Ledger Nano S+ hardware crypto wallet and almost falls for phishing — a convincing clone would have caught newbies unaware (tomshardware.com)

2026-04-18 | by Bruno Ferreira | get Fake Ledger Nano S → | tags: ledger nano s+, phishing, esp32-s3

24.

Floating Point Fun on Cortex-M Processors (news.ycombinator.com)

2026-04-17 | by Daniel Mangum | get ARM Cortex-M Floating Point Emulator → | tags: nrf52840, esp32-s3, arm cortex-m

25.

PicoZ80 – Drop-In Z80 Replacement (news.ycombinator.com)

2026-04-09 | by Philip Smart | get PicoZ80 Z80 Emulator Kit → | tags: picoz80, z80 replacement, rp2350b

26.

Velxio 2.0 – Emulate Arduino, ESP32, and Raspberry Pi 3 in the Browser (news.ycombinator.com)

2026-03-27 | get ESP32 Development Board → | tags: arduino, raspberry pi, esp32

27.

Tech hobbyist makes shoulder-mounted guided missile prototype with $96 in parts (news.ycombinator.com)

2026-03-18 | by Bruno Ferreira | get DIY Guided Missile Kit → | tags: 3d printing, alisher khojayev, stinger missile

28.

This $155 ESP32-powered DIY drone can hit 67 mph (techspot.com)

2026-03-15 | get ESP32 Drone Kit → | tags: esp32, drone, flight controller

29.

$96 3D-printed rocket that recalculates its mid-air trajectory using a $5 sensor (news.ycombinator.com)

2026-03-15 | get 3D-Printed Rocket Kit → | tags: esp32, mpu6050, fusion 360

30.

Show HN: OpenClaw-class agents on ESP32 (and the IDE that makes it possible) (news.ycombinator.com)

2026-03-12 | get ESP32 Development Board → | tags: esp32, openclaw, lvgl