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Mastodon: AboutGet the appKeyboard shortcutsView source codev4.4.0-nightly.2025-03-25

#esp32

21 posts20 participants1 post today
AstraKernel 💫<p>🧩 Ariel&nbsp;OS: a library operating system for secure, memory-safe, low-power Internet of Things, written in Rust - Builds on top of existing projects from the Embedded Rust ecosystem - Runs on small MCUs like nRF5x, <a class="hashtag" href="https://bsky.app/search?q=%23STM32" rel="nofollow noopener" target="_blank">#STM32</a>, <a class="hashtag" href="https://bsky.app/search?q=%23ESP32" rel="nofollow noopener" target="_blank">#ESP32</a>, RP2xxx <a href="https://ariel-os.github.io/ariel-os/dev/docs/book/introduction.html" rel="nofollow noopener" target="_blank">ariel-os.github.io/ariel-os/dev...</a> <a class="hashtag" href="https://bsky.app/search?q=%23rustlang" rel="nofollow noopener" target="_blank">#rustlang</a> <a class="hashtag" href="https://bsky.app/search?q=%23embedded" rel="nofollow noopener" target="_blank">#embedded</a></p>
BokFive<p>ESP32 eBooks</p><p>The official ebooks for ESP32 computers and microcontrollers.</p><p><a href="https://bokfive.com/esp32" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">bokfive.com/esp32</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32</span></a> <a href="https://mastodon.social/tags/bokfive" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>bokfive</span></a></p>
IT News<p>An ESP32 Pomdoro Timer - The Pomdoro technique of time management has moved on a little from the tomato-sha... - <a href="https://hackaday.com/2025/03/29/an-esp32-pomdoro-timer/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/03/29/an-esp</span><span class="invisible">32-pomdoro-timer/</span></a> <a href="https://schleuss.online/tags/microcontrollers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>microcontrollers</span></a> <a href="https://schleuss.online/tags/pomdorotimer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pomdorotimer</span></a> <a href="https://schleuss.online/tags/productivity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>productivity</span></a> <a href="https://schleuss.online/tags/lifehacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>lifehacks</span></a> <a href="https://schleuss.online/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a></p>
Mohammad<p>I used a <a href="https://fosstodon.org/tags/qtpy" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>qtpy</span></a> <a href="https://fosstodon.org/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> from <span class="h-card" translate="no"><a href="https://threads.net/@adafruit/" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>adafruit</span></a></span> to make a small <a href="https://fosstodon.org/tags/iot" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iot</span></a> stoplight. I also wrote a tiny app and deployed it on my <a href="https://fosstodon.org/tags/homelab" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>homelab</span></a>. So now when I'm in meetings, or deeply focused on work, I can avoid disruptions <a href="https://fosstodon.org/tags/wfh" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>wfh</span></a></p><p>kind of excited to finish a project end-to-end instead of bailing at the first friction point</p>
Hacker News<p>Physical Pomodoro Timer with ESP32 and e-paper screen</p><p><a href="https://github.com/Rukenshia/pomodoro" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/Rukenshia/pomodoro</span><span class="invisible"></span></a></p><p><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HackerNews</span></a> <a href="https://mastodon.social/tags/Physical" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Physical</span></a> <a href="https://mastodon.social/tags/Pomodoro" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Pomodoro</span></a> <a href="https://mastodon.social/tags/Timer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Timer</span></a> <a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32</span></a> <a href="https://mastodon.social/tags/e" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>e</span></a>-paper <a href="https://mastodon.social/tags/screen" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>screen</span></a> <a href="https://mastodon.social/tags/productivity" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>productivity</span></a> <a href="https://mastodon.social/tags/gadgets" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>gadgets</span></a></p>
:trebuchet: Kale :trebuchet:<p>The fact that I could buy an <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> with camera for $6 is fucking amazing</p>
Shawn Hymel<p>Looking for something "fun" to do this weekend? I might recommend learning about Devicetree on <a href="https://masto.ai/tags/Zephyr" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Zephyr</span></a>! In the latest Zephyr video, I cover the basics of Devicetree syntax and writing overlay files.<br>👇👇👇<br><a href="https://www.youtube.com/watch?v=fOMJyjwowNk" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">youtube.com/watch?v=fOMJyjwowN</span><span class="invisible">k</span></a></p><p><a href="https://masto.ai/tags/IoT" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>IoT</span></a> <a href="https://masto.ai/tags/embedded" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>embedded</span></a> <a href="https://masto.ai/tags/microcontroller" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>microcontroller</span></a> <a href="https://masto.ai/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> <a href="https://masto.ai/tags/programming" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>programming</span></a> <span class="h-card" translate="no"><a href="https://social.lfx.dev/@zephyr" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>zephyr</span></a></span></p>
Stephen McNamara<p>Snagged some 50kg load cells for a <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> <a href="https://mastodon.social/tags/iot" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>iot</span></a> project. <br>No one can claim they didn't know to add water into the big water filter 😜 <br>Toss a adafruit led ring light underneath, take to much water, red light to indicate you need to fill the filter before you walk away 🤙<br>Gawd i love <a href="https://mastodon.social/tags/homeassistant" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>homeassistant</span></a></p>
Javier Martinez C.<p>I wrote about a project I did for my kid a few weeks ago: he found using a regular die for dice chess inconvenient, so I replaced it with an ESP32 and some Python code.</p><p><a href="https://blog.dowhile0.org/2025/03/28/creating-an-esp32-based-dice-for-chess/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blog.dowhile0.org/2025/03/28/c</span><span class="invisible">reating-an-esp32-based-dice-for-chess/</span></a></p><p><a href="https://fosstodon.org/tags/embedded" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>embedded</span></a> <a href="https://fosstodon.org/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> <a href="https://fosstodon.org/tags/circuitpython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>circuitpython</span></a></p>
ANAVI Technology<p>🎆 How to control NeoPixel WS2812B LED 2D panels with the popular open source firmware WLED and our open source hardware ANAVI Miracle Emitter with ESP32C3?<br>🚀 Check out our step-by-step guide and get glowing! 👉<br><a href="https://blog.anavi.technology/wled-2d-panels-neopixel-ws2812b-esp32/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">blog.anavi.technology/wled-2d-</span><span class="invisible">panels-neopixel-ws2812b-esp32/</span></a><br><a href="https://mastodon.social/tags/WLED" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>WLED</span></a> <a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32</span></a> <a href="https://mastodon.social/tags/ESP32C3" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32C3</span></a> <a href="https://mastodon.social/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>opensource</span></a></p>
chiptronCZ<p>Lekce pájení SMD součástek pomocí pájecího pera.<br>Není to věda, jen to chce grif. Pak to jde jako po másle.<br>Základem je kvalitní páječka, pájka, správně nastavená teplota a klidná ruka<br><a href="https://mastodonczech.cz/tags/pajimesChiptronem" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pajimesChiptronem</span></a></p><p><a href="https://mastodonczech.cz/tags/pajeni" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pajeni</span></a> <a href="https://mastodonczech.cz/tags/pajecka" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pajecka</span></a> <a href="https://mastodonczech.cz/tags/pajka" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pajka</span></a> <a href="https://mastodonczech.cz/tags/pcb" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>pcb</span></a> <a href="https://mastodonczech.cz/tags/dps" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>dps</span></a> <a href="https://mastodonczech.cz/tags/soldering" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>soldering</span></a> <a href="https://mastodonczech.cz/tags/solder" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>solder</span></a> <a href="https://mastodonczech.cz/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> <a href="https://mastodonczech.cz/tags/arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>arduino</span></a></p>
IT News<p>Half The Reflow Oven You Expected - Toaster oven reflow projects are such a done deal that there should be nothing new... - <a href="https://hackaday.com/2025/03/27/half-the-reflow-oven-you-expected/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/03/27/half-t</span><span class="invisible">he-reflow-oven-you-expected/</span></a> <a href="https://schleuss.online/tags/toasteroven" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>toasteroven</span></a> <a href="https://schleuss.online/tags/reflowoven" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>reflowoven</span></a> <a href="https://schleuss.online/tags/toolhacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>toolhacks</span></a> <a href="https://schleuss.online/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a></p>
Charlie O’Hara<p>This ESP32 board will be controlling the low-voltage blinds in the apartment. Happy that the normal AC switches work as contacts. (Not sure why I doubted they would). </p><p><a href="https://indieweb.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32</span></a> <a href="https://indieweb.social/tags/ESPhome" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESPhome</span></a> <a href="https://indieweb.social/tags/HomeAutomation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HomeAutomation</span></a></p>
Lectronz<p>Now in stock on Lectronz: ESP32 I2S Matrix Shield <a href="https://lectronz.com/products/esp32-i2s-matrix-shield" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">lectronz.com/products/esp32-i2</span><span class="invisible">s-matrix-shield</span></a><br><a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32</span></a> <a href="https://mastodon.social/tags/Displays" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Displays</span></a> <a href="https://mastodon.social/tags/HomeAutomation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HomeAutomation</span></a></p>
petur 🔵😶<p>I've configured an interrupt on the ULP itself, and then, contrary to what examples and online code do, let it halt (quit).</p><p>The extra 70uA powerconsumption of the ULP that I had noticed is gone (well, within the limits of my meter), and the configured GPIO interrupt fired and woke up the main CPU.</p><p>Now, the main CPU only has level-based wakeup from deep sleep, but the ULP interrupt can be GPIO edge!!</p><p>One thing to fix: a second ULP int makes the wakestub quit (first is OK)</p><p><a href="https://mastodon.social/tags/Espressif" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Espressif</span></a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a></p>
Geekland<p>Sensor de CO2 con ESPHome y Home Assistant <a href="https://mastodon.social/tags/blog" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>blog</span></a> <a href="https://mastodon.social/tags/home_assistant" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>home_assistant</span></a> <a href="https://mastodon.social/tags/co2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>co2</span></a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> <a href="https://mastodon.social/tags/esp8266" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp8266</span></a> <a href="https://mastodon.social/tags/esphome" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esphome</span></a> <a href="https://mastodon.social/tags/mh_z19" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>mh_z19</span></a><br><a href="https://www.bujarra.com/sensor-de-co2-con-esphome-y-home-assistant/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bujarra.com/sensor-de-co2-con-</span><span class="invisible">esphome-y-home-assistant/</span></a></p>
hvniekerk<p>Video 121 <a href="https://youtu.be/bzmDyOQOSoY" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">youtu.be/bzmDyOQOSoY</span><span class="invisible"></span></a> about my <a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32</span></a> SoC controlling 7-segment displays.<br>Paying members via patreon.com/hvniekerk &amp; ko-fi.com/hvniekerk can watch the full-length video.<br>Buy at ko-fi.com/hvniekerk/shop <br>Other support: paypal.me/hvniekerk or buy me a coffee at ko-fi.com/hvniekerk</p>
petur 🔵😶<p>Has anybody managed to make an ESP32(-S3) ULP wake up the main processor from deep sleep into a wakestub and back to deep sleep?</p><p>Whatever I try, the ULP interrupt causes a full wakeup and ignores my wakestub (which works fine for the configured timer and EXT IRQs)</p><p><a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a> <a href="https://mastodon.social/tags/embedded" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>embedded</span></a></p>
Arduino Libraries<p>Settings (1.3.2) for esp8266/esp32 by AlexGyver</p><p>➡️ <a href="https://github.com/GyverLibs/Settings" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">github.com/GyverLibs/Settings</span><span class="invisible"></span></a></p><p>Simple UI webface builder for esp8266/esp32</p><p><a href="https://fosstodon.org/tags/Arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Arduino</span></a> <a href="https://fosstodon.org/tags/ArduinoLibs" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ArduinoLibs</span></a> <a href="https://fosstodon.org/tags/esp8266" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp8266</span></a> <a href="https://fosstodon.org/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>esp32</span></a></p>
rena2019 ☑️<p><span class="h-card" translate="no"><a href="https://nerdculture.de/@bonkers" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>bonkers</span></a></span> Du *kannst* deren Platform nutzen, musst es ja aber nicht. Ich hatte mir letztes Jahr ein 4.3 Zoll GUITION Display mit einem <a href="https://social.tchncs.de/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ESP32</span></a> gekauft und da läuft jetzt ein <a href="https://social.tchncs.de/tags/Micropython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Micropython</span></a> mit <a href="https://social.tchncs.de/tags/LVGL" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>LVGL</span></a> drauf....offener geht's nicht. Aber vom <a href="https://social.tchncs.de/tags/Artinchip" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Artinchip</span></a> <a href="https://social.tchncs.de/tags/D121BBV" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>D121BBV</span></a> Microcontroller habe ich bisher nichts gehört, nur n chinesisches Datenblatt gefunden. Ist aber auch nicht so interessant, weil kein WIFI</p>
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