26 stories tagged microcontrollers, newest first.
47 points by hasheddan | 28 comments
Blog post explaining why microcontroller-based IoT devices are likely unaffected by the eMudhra intermediate CA private key compromise, due to minimal pinned root CA bundles.
183 points by joakimeriksson | 34 comments
GitHub repository for esp32sim, an open-source ESP32 emulator that runs real firmware locally or in the browser without physical hardware.
![Screenshot of youtube.com: GameBoy on E-Paper ESP32 at 30FPS [video]](https://hn.urlbox.com/shots/renders/2026/10/11/638f8aad-c52c-48ec-a2c1-24cd9814f1ff.jpg)
110 points by pizzaiolo | 30 comments
YouTube video from Bo Made It showing a Game Boy emulator running on an ESP32 with an e-paper display at 30 frames per second.
271 points by nkw | 53 comments
RTL-SDR.com post reporting that several projects, including ESPARGOS, independently discovered hidden SDR capabilities in ESP32 microcontrollers.
143 points by nkko | 31 comments
GitHub repository for a 7-node ESP32-S3 cluster running a 0.4B-parameter LLM using 1.58-bit BitNet ternary quantization over an SPI daisy-chain.
182 points by adunk | 88 comments
XDA Developers article about the newest Espressif ESP32 chip being able to run Linux, bringing it closer to Raspberry Pi-class boards.
544 points by petewarden | 79 comments
GitHub directory for Moonshine's micro build, offering speech recognition and neural text-to-speech small enough to run on microcontrollers like the RP2350.
341 points by volemo | 181 comments
Espressif product page for the ESP32-S31, a dual-core RISC-V SoC with multi-protocol wireless connectivity and HMI features.
504 points by mattrighetti | 76 comments
Nick Winans' blog post telling the story of creating the nice!nano, a wireless Pro Micro-compatible keyboard microcontroller board, during his freshman year of college.
781 points by zdw | 151 comments
A personal blog post presenting a 5x5 pixel bitmap font designed for tiny screens such as those used with microcontrollers.
436 points by rossant | 93 comments
Landing page for Diode, a browser-based tool to build, program, and simulate electronic hardware circuits.
325 points by felineflock | 104 comments
Blog post on Molecularist asking whether Qualcomm's acquisition and Arduino's updated terms and conditions have ended Arduino as an open commons.
1279 points by janjongboom | 519 comments
Qualcomm press release announcing its acquisition of Arduino and the new Arduino UNO Q board and App Lab powered by Qualcomm Dragonwing processors.
1317 points by BogdanTheGeek | 442 comments
A blog post by Bogdan Ionescu describing how he repurposed the microcontroller from a disposable vape to host a website.
611 points by dmazin | 246 comments
Blog post by Bogdan Ionescu describing how he repurposed the microcontroller from a disposable vape to host a website.
324 points by cpldcpu | 75 comments
Blog post on Tim's Blog (cpldcpu) about bundling three candles so their flames oscillate at about 9.9Hz and using that oscillation as a clock signal.
401 points by dmitrygr | 131 comments
Dmitry Grinberg's project write-up describing a simple-to-build kit computer that runs Linux at interactive speed using only three 8-pin chips.
671 points by hw-f3nter | 99 comments
HardBreak is a free, open-source wiki about hardware hacking, with tutorials aimed at beginners.
![Screenshot of media.ccc.de: Liberating Wi-Fi on the ESP32 [video]](https://hn.urlbox.com/shots/renders/2024/12/28/5a60ada3-d26f-4f9d-8f97-ec92dad9d2f3.jpg)
317 points by doener | 123 comments
Video recording of a 38C3 Chaos Communication Congress talk by Frostie314159 and Jasper Devreker on reverse engineering and liberating the ESP32's Wi-Fi stack.
660 points by elipsitz | 325 comments
Dmitry Grinberg's blog post explaining why he loves the Raspberry Pi RP2350 microcontroller, covering his earlier RP2040 wish list and how the new chip addresses it.
784 points by als0 | 122 comments
Blog post describing MicroMac, a project that emulates a classic Macintosh 128K on a low-cost microcontroller for under £5.
608 points by dgroshev | 334 comments
A blog post from June 2024 explaining why the author really likes the Raspberry Pi RP2040 microcontroller.
361 points by todsacerdoti | 60 comments
Uros Popovic's blog post offering an end-to-end beginner guide to building your first USB device that a computer recognizes.
349 points by Gedxx | 84 comments
An Ikkaro blog article explaining TinyML, covering model compression techniques like pruning, quantization and distillation, tools, and uses on low-power devices.
453 points by raimue | 178 comments
A comparison table of the CPUs in modern USB-C wall chargers versus the Apollo 11 Guidance Computer, covering clock speed, RAM, storage, and instruction sets.
376 points by david_elson | 48 comments
Project site for the Ravenna Ultra-Low-Altitude Vehicle, a backyard rocketship treehouse in Seattle with custom electronics, pneumatics, and its own embedded OS.