ohai.social

Javier Martinez C.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.<a href="https://blog.dowhile0.org/2025/03/28/creating-an-esp32-based-dice-for-chess/" rel="nofollow noopener" translate="no" target="_blank">https://blog.dowhile0.org/2025/03/28/creating-an-esp32-based-dice-for-chess/</a><a href="https://fosstodon.org/tags/embedded" class="mention hashtag" rel="nofollow noopener" target="_blank">#embedded</a> <a href="https://fosstodon.org/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> <a href="https://fosstodon.org/tags/circuitpython" class="mention hashtag" rel="nofollow noopener" target="_blank">#circuitpython</a>

ANAVI Technology🎆 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? 🚀 Check out our step-by-step guide and get glowing! 👉 <a href="https://blog.anavi.technology/wled-2d-panels-neopixel-ws2812b-esp32/" rel="nofollow noopener" translate="no" target="_blank">https://blog.anavi.technology/wled-2d-panels-neopixel-ws2812b-esp32/</a> <a href="https://mastodon.social/tags/WLED" class="mention hashtag" rel="nofollow noopener" target="_blank">#WLED</a> <a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESP32</a> <a href="https://mastodon.social/tags/ESP32C3" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESP32C3</a> <a href="https://mastodon.social/tags/opensource" class="mention hashtag" rel="nofollow noopener" target="_blank">#opensource</a>

chiptronCZLekce pájení SMD součástek pomocí pájecího pera. Není to věda, jen to chce grif. Pak to jde jako po másle. Základem je kvalitní páječka, pájka, správně nastavená teplota a klidná ruka <a href="https://mastodonczech.cz/tags/pajimesChiptronem" class="mention hashtag" rel="nofollow noopener" target="_blank">#pajimesChiptronem</a><a href="https://mastodonczech.cz/tags/pajeni" class="mention hashtag" rel="nofollow noopener" target="_blank">#pajeni</a> <a href="https://mastodonczech.cz/tags/pajecka" class="mention hashtag" rel="nofollow noopener" target="_blank">#pajecka</a> <a href="https://mastodonczech.cz/tags/pajka" class="mention hashtag" rel="nofollow noopener" target="_blank">#pajka</a> <a href="https://mastodonczech.cz/tags/pcb" class="mention hashtag" rel="nofollow noopener" target="_blank">#pcb</a> <a href="https://mastodonczech.cz/tags/dps" class="mention hashtag" rel="nofollow noopener" target="_blank">#dps</a> <a href="https://mastodonczech.cz/tags/soldering" class="mention hashtag" rel="nofollow noopener" target="_blank">#soldering</a> <a href="https://mastodonczech.cz/tags/solder" class="mention hashtag" rel="nofollow noopener" target="_blank">#solder</a> <a href="https://mastodonczech.cz/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> <a href="https://mastodonczech.cz/tags/arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#arduino</a>

IT NewsHalf 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">https://hackaday.com/2025/03/27/half-the-reflow-oven-you-expected/</a> <a href="https://schleuss.online/tags/toasteroven" class="mention hashtag" rel="nofollow noopener" target="_blank">#toasteroven</a> <a href="https://schleuss.online/tags/reflowoven" class="mention hashtag" rel="nofollow noopener" target="_blank">#reflowoven</a> <a href="https://schleuss.online/tags/toolhacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#toolhacks</a> <a href="https://schleuss.online/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a>

Charlie O’HaraThis 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). <a href="https://indieweb.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESP32</a> <a href="https://indieweb.social/tags/ESPhome" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESPhome</a> <a href="https://indieweb.social/tags/HomeAutomation" class="mention hashtag" rel="nofollow noopener" target="_blank">#HomeAutomation</a>

LectronzNow 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">https://lectronz.com/products/esp32-i2s-matrix-shield</a> <a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESP32</a> <a href="https://mastodon.social/tags/Displays" class="mention hashtag" rel="nofollow noopener" target="_blank">#Displays</a> <a href="https://mastodon.social/tags/HomeAutomation" class="mention hashtag" rel="nofollow noopener" target="_blank">#HomeAutomation</a>

petur 🔵😶I've configured an interrupt on the ULP itself, and then, contrary to what examples and online code do, let it halt (quit).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.Now, the main CPU only has level-based wakeup from deep sleep, but the ULP interrupt can be GPIO edge!!One thing to fix: a second ULP int makes the wakestub quit (first is OK)<a href="https://mastodon.social/tags/Espressif" class="mention hashtag" rel="nofollow noopener" target="_blank">#Espressif</a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a>

GeeklandSensor de CO2 con ESPHome y Home Assistant <a href="https://mastodon.social/tags/blog" class="mention hashtag" rel="nofollow noopener" target="_blank">#blog</a> <a href="https://mastodon.social/tags/home_assistant" class="mention hashtag" rel="nofollow noopener" target="_blank">#home_assistant</a> <a href="https://mastodon.social/tags/co2" class="mention hashtag" rel="nofollow noopener" target="_blank">#co2</a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> <a href="https://mastodon.social/tags/esp8266" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp8266</a> <a href="https://mastodon.social/tags/esphome" class="mention hashtag" rel="nofollow noopener" target="_blank">#esphome</a> <a href="https://mastodon.social/tags/mh_z19" class="mention hashtag" rel="nofollow noopener" target="_blank">#mh_z19</a> <a href="https://www.bujarra.com/sensor-de-co2-con-esphome-y-home-assistant/" rel="nofollow noopener" translate="no" target="_blank">https://www.bujarra.com/sensor-de-co2-con-esphome-y-home-assistant/</a>

hvniekerkVideo 121 <a href="https://youtu.be/bzmDyOQOSoY" rel="nofollow noopener" translate="no" target="_blank">https://youtu.be/bzmDyOQOSoY</a> about my <a href="https://mastodon.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESP32</a> SoC controlling 7-segment displays. Paying members via patreon.com/hvniekerk & ko-fi.com/hvniekerk can watch the full-length video. Buy at ko-fi.com/hvniekerk/shop Other support: paypal.me/hvniekerk or buy me a coffee at ko-fi.com/hvniekerk

petur 🔵😶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?Whatever I try, the ULP interrupt causes a full wakeup and ignores my wakestub (which works fine for the configured timer and EXT IRQs)<a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> <a href="https://mastodon.social/tags/embedded" class="mention hashtag" rel="nofollow noopener" target="_blank">#embedded</a>

Arduino LibrariesSettings (1.3.2) for esp8266/esp32 by AlexGyver➡️ <a href="https://github.com/GyverLibs/Settings" rel="nofollow noopener" translate="no" target="_blank">https://github.com/GyverLibs/Settings</a>Simple UI webface builder for esp8266/esp32<a href="https://fosstodon.org/tags/Arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#Arduino</a> <a href="https://fosstodon.org/tags/ArduinoLibs" class="mention hashtag" rel="nofollow noopener" target="_blank">#ArduinoLibs</a> <a href="https://fosstodon.org/tags/esp8266" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp8266</a> <a href="https://fosstodon.org/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a>

rena2019 ☑️<a href="https://nerdculture.de/@bonkers" class="u-url mention" rel="nofollow noopener" target="_blank">@bonkers</a> 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">#ESP32</a> gekauft und da läuft jetzt ein <a href="https://social.tchncs.de/tags/Micropython" class="mention hashtag" rel="nofollow noopener" target="_blank">#Micropython</a> mit <a href="https://social.tchncs.de/tags/LVGL" class="mention hashtag" rel="nofollow noopener" target="_blank">#LVGL</a> drauf....offener geht's nicht. Aber vom <a href="https://social.tchncs.de/tags/Artinchip" class="mention hashtag" rel="nofollow noopener" target="_blank">#Artinchip</a> <a href="https://social.tchncs.de/tags/D121BBV" class="mention hashtag" rel="nofollow noopener" target="_blank">#D121BBV</a> Microcontroller habe ich bisher nichts gehört, nur n chinesisches Datenblatt gefunden. Ist aber auch nicht so interessant, weil kein WIFI

rena2019 ☑️<a href="https://social.tchncs.de/tags/CYD" class="mention hashtag" rel="nofollow noopener" target="_blank">#CYD</a> noch günstiger? Die Cheap Yellow Displays mit einem <a href="https://social.tchncs.de/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESP32</a> sind ja schon ganz nett. Jetzt gerade bei AliExpress ein Display gefunden, das einen <a href="https://social.tchncs.de/tags/Artinchip" class="mention hashtag" rel="nofollow noopener" target="_blank">#Artinchip</a> <a href="https://social.tchncs.de/tags/D121BAV" class="mention hashtag" rel="nofollow noopener" target="_blank">#D121BAV</a> <a href="https://social.tchncs.de/tags/RISCV" class="mention hashtag" rel="nofollow noopener" target="_blank">#RISCV</a> nutzt, allerdings wohl ohne WLAN. Das gibt's dann auch mit 4.3 Zoll Touchdisplay schon für 17,89EUR <a href="https://www.aliexpress.com/item/1005008108805243.html" rel="nofollow noopener" translate="no" target="_blank">https://www.aliexpress.com/item/1005008108805243.html</a>

IT NewsMetal Detector Built With Smartphone Interface - If you think of a metal detector, you’re probably thinking of a fairly simple devi... - <a href="https://hackaday.com/2025/03/25/metal-detector-built-with-smartphone-interface/" rel="nofollow noopener" translate="no" target="_blank">https://hackaday.com/2025/03/25/metal-detector-built-with-smartphone-interface/</a> <a href="https://schleuss.online/tags/microcontrollers" class="mention hashtag" rel="nofollow noopener" target="_blank">#microcontrollers</a> <a href="https://schleuss.online/tags/microcontroller" class="mention hashtag" rel="nofollow noopener" target="_blank">#microcontroller</a> <a href="https://schleuss.online/tags/metaldetector" class="mention hashtag" rel="nofollow noopener" target="_blank">#metaldetector</a> <a href="https://schleuss.online/tags/smartphone" class="mention hashtag" rel="nofollow noopener" target="_blank">#smartphone</a> <a href="https://schleuss.online/tags/toolhacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#toolhacks</a> <a href="https://schleuss.online/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a>

Martin Maciaszek :commodore:Discovered [nushell](<a href="https://www.nushell.sh" rel="nofollow noopener" translate="no" target="_blank">https://www.nushell.sh</a>) this weekend. Looks pretty cool. Tried it, but there are two things that prevent me from making it my new default shell: 1. pyenv: pyenv init does not work with nushell 2. ESP-IDF: ESP IDF's export scripts do not work with nushell<a href="https://maciaszek.social/tags/nushell" class="mention hashtag" rel="nofollow noopener" target="_blank">#nushell</a> <a href="https://maciaszek.social/tags/pyenv" class="mention hashtag" rel="nofollow noopener" target="_blank">#pyenv</a> <a href="https://maciaszek.social/tags/python" class="mention hashtag" rel="nofollow noopener" target="_blank">#python</a> <a href="https://maciaszek.social/tags/espidf" class="mention hashtag" rel="nofollow noopener" target="_blank">#espidf</a> <a href="https://maciaszek.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a>

Verfassungklage@troet.cafeMini <a href="https://troet.cafe/tags/SDR" class="mention hashtag" rel="nofollow noopener" target="_blank">#SDR</a> <a href="https://troet.cafe/tags/Empfa%CC%88nger" class="mention hashtag" rel="nofollow noopener" target="_blank">#Empfänger</a> <a href="https://troet.cafe/tags/Si4732" class="mention hashtag" rel="nofollow noopener" target="_blank">#Si4732</a> + <a href="https://troet.cafe/tags/ESP32" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESP32</a><a href="https://youtube.com/watch?v=FxfNxYF5QIY" rel="nofollow noopener" translate="no" target="_blank">https://youtube.com/watch?v=FxfNxYF5QIY</a>

Kymareas<a href="https://fosstodon.org/@orhun" class="u-url mention" rel="nofollow noopener" target="_blank">@orhun</a> hi there! As a rustean, I love your project and it have inspired me to create a minitel based system. I have a question about Rust on ESP32 (I will read the dedicated book before starting the project). I haven't any experience with ESP32, so there is my question : is it possible to install your project will keeping the basic firmware of the Iodeo dongle?<a href="https://mastodon.social/tags/minitel" class="mention hashtag" rel="nofollow noopener" target="_blank">#minitel</a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> <a href="https://mastodon.social/tags/rust" class="mention hashtag" rel="nofollow noopener" target="_blank">#rust</a> <a href="https://mastodon.social/tags/embeddedrust" class="mention hashtag" rel="nofollow noopener" target="_blank">#embeddedrust</a>

Arduino LibrariesESP32-targz (1.2.7) for esp32/esp8266/rp2040/mbed_rp2040 by tobozo➡️ <a href="https://github.com/tobozo/ESP32-targz" rel="nofollow noopener" translate="no" target="_blank">https://github.com/tobozo/ESP32-targz</a>A library to compress/decompress tar+gzip archives.<a href="https://fosstodon.org/tags/Arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#Arduino</a> <a href="https://fosstodon.org/tags/ArduinoLibs" class="mention hashtag" rel="nofollow noopener" target="_blank">#ArduinoLibs</a> <a href="https://fosstodon.org/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> <a href="https://fosstodon.org/tags/esp8266" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp8266</a> <a href="https://fosstodon.org/tags/rp2040" class="mention hashtag" rel="nofollow noopener" target="_blank">#rp2040</a> <a href="https://fosstodon.org/tags/mbed_rp2040" class="mention hashtag" rel="nofollow noopener" target="_blank">#mbed_rp2040</a>

IT NewsBuilding a Handheld Pong Game - Pong was one of the first video games to really enter the public consciousness. Wh... - <a href="https://hackaday.com/2025/03/21/building-a-handheld-pong-game/" rel="nofollow noopener" translate="no" target="_blank">https://hackaday.com/2025/03/21/building-a-handheld-pong-game/</a> <a href="https://schleuss.online/tags/3dprintedenclosure" class="mention hashtag" rel="nofollow noopener" target="_blank">#3dprintedenclosure</a> <a href="https://schleuss.online/tags/classichacks" class="mention hashtag" rel="nofollow noopener" target="_blank">#classichacks</a> <a href="https://schleuss.online/tags/handheld" class="mention hashtag" rel="nofollow noopener" target="_blank">#handheld</a> <a href="https://schleuss.online/tags/games" class="mention hashtag" rel="nofollow noopener" target="_blank">#games</a> <a href="https://schleuss.online/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> <a href="https://schleuss.online/tags/pong" class="mention hashtag" rel="nofollow noopener" target="_blank">#pong</a>

le Pétomane AncienAfter a week of FA&FO I Found Out that flashing <a href="https://fosstodon.org/tags/MicroPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#MicroPython</a> to an <a href="https://fosstodon.org/tags/esp32" class="mention hashtag" rel="nofollow noopener" target="_blank">#esp32</a> cam module is an epic fail. Easy enough to find the firmware and use esptool.py to flash it to the board but hooking it up to an IDE was an exercise in futility.Has anyone in the Fediverse had success doing what I have declared impossible? Success stories and insights appreciated.Meanwhile, it's back to <a href="https://fosstodon.org/tags/Arduino" class="mention hashtag" rel="nofollow noopener" target="_blank">#Arduino</a> to write the code I want to write, just not with uPython.

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