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#esp32

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merlin / alex glow<p>Thread for <span class="h-card" translate="no"><a href="https://mastodon.social/@oshwassociation" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>oshwassociation</span></a></span> <a href="https://chaos.social/tags/OHS2025" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OHS2025</span></a> ! Open Hardware Summit Day 2 is in full swing, and I've managed to break a needle on the e-textile <a href="https://chaos.social/tags/WearableTech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>WearableTech</span></a> conf badge (while sewing on the Seeed Xiao <a href="https://chaos.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a> C3 carrier board). Good thing there are spares 😸</p><p>Here's the tutorial on <a href="https://chaos.social/tags/HacksterIO" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HacksterIO</span></a>, by badge creator Rodney Trusty! <a href="https://www.hackster.io/00legendary/open-hardware-summit-badge-2025-941ee3" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">hackster.io/00legendary/open-h</span><span class="invisible">ardware-summit-badge-2025-941ee3</span></a></p>
natex<p>a questions about microcontrollers (ESP32):</p><p>we want to connect an esp32 wroom mini to a lipo battery with 3,7 volt in order to make it portable. how can we charge the battery while it is connected to the esp without it going up in flames? 🔥</p><p>is there a module we can use as charge control and if so how to wire it?</p><p><a href="https://systerserver.town/tags/affective_log" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>affective_log</span></a> <a href="https://systerserver.town/tags/antwerp" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>antwerp</span></a> <a href="https://systerserver.town/tags/antwerpen" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>antwerpen</span></a> <a href="https://systerserver.town/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a> <a href="https://systerserver.town/tags/schwarmintelligenz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>schwarmintelligenz</span></a> <a href="https://systerserver.town/tags/tech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tech</span></a></p>
Olimex<p>Step by Step instructions how to make smart home WiFi device with ESP32-EVB and Home Assistant without single line of code! <a href="https://olimex.wordpress.com/2025/05/30/step-by-step-instructions-how-to-make-smart-home-wifi-connected-device-with-esp32-evb-and-home-assistant-without-any-programming/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">olimex.wordpress.com/2025/05/3</span><span class="invisible">0/step-by-step-instructions-how-to-make-smart-home-wifi-connected-device-with-esp32-evb-and-home-assistant-without-any-programming/</span></a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a> <a href="https://mastodon.social/tags/espressif" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>espressif</span></a> <a href="https://mastodon.social/tags/iot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>iot</span></a> <a href="https://mastodon.social/tags/homeassistant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>homeassistant</span></a> <a href="https://mastodon.social/tags/esphome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esphome</span></a> <a href="https://mastodon.social/tags/wifi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>wifi</span></a></p>
Sebastian "spaetz" Spaeth<p>On the importance of your power source when tinkering: I use a <a href="https://mas.to/tags/diy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>diy</span></a> hack with an <a href="https://mas.to/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a> to forward fire alarms from my pager to my mobile.</p><p>When I used a cheap "65W" AliExpress power source (cost 3.5€), I would get false alarms in irregular intervals (sometimes like every 10 minutes). I have now switched the power plug to something from an actual brand, and I have not received a single false alarm.</p><p>Yeah, buy cheap, buy twice and all that...</p>
Pedro Turbo Pascal<p>I made another ridiculous thing and wrote about it</p><p><a href="https://sam.pikesley.org/projects/bloodstorm/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">sam.pikesley.org/projects/bloo</span><span class="invisible">dstorm/</span></a></p><p>Shout-out to <span class="h-card" translate="no"><a href="https://beige.party/@julianlawson" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>julianlawson</span></a></span></p><p><a href="https://mastodon.me.uk/tags/t1d" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>t1d</span></a> <a href="https://mastodon.me.uk/tags/diabetes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>diabetes</span></a> <a href="https://mastodon.me.uk/tags/HomeAssistant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HomeAssistant</span></a> <a href="https://mastodon.me.uk/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a></p>
Olimex<p>More projects run on Open Source Hardware ESP32-P4-DevKit EUR 16 board with Espressif Dual Core RISC-V SOC <a href="https://www.youtube.com/shorts/PqLHHtLoO7w" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="">youtube.com/shorts/PqLHHtLoO7w</span><span class="invisible"></span></a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a> <a href="https://mastodon.social/tags/iot" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>iot</span></a> <a href="https://mastodon.social/tags/espressif" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>espressif</span></a> <a href="https://mastodon.social/tags/riscv" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>riscv</span></a></p>
Charlie O’Hara<p>*salutes cable CORE/BTH/07, due to be buried behind a wall, likely until the world ends* <a href="https://indieweb.social/tags/HomeAssistant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HomeAssistant</span></a> <a href="https://indieweb.social/tags/esphome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esphome</span></a> <a href="https://indieweb.social/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a></p>
Charlie O’Hara<p>Sad that I missed attending a <a href="https://indieweb.social/tags/HomeAssistant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HomeAssistant</span></a> community day event. But glad that the reason was because I took the chance to install the first sensors in my bathroom renovation, during a pause in construction work. </p><p>Having everything open is a once in a quarter century chance to hardwire in leak detectors beneath bath, sink, and washing machine. (All going back to a central ESP32 board). </p><p><a href="https://indieweb.social/tags/esphome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esphome</span></a> <a href="https://indieweb.social/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a></p>
Tog Hackerspace<p>Want to actually see your home energy usage in real time?</p><p>Tog Hackerspace member Christian built a live energy monitor with an ESP32, touchscreen, and Home Assistant.</p><p>Solar ⚡ Grid 🔋 Battery 💧 Hot water – all in one DIY dashboard.</p><p>🛠️ Full build: <a href="https://www.tog.ie/2025/05/monitor-your-home-energy-in-real-time-with-esp32-and-home-assistant/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">tog.ie/2025/05/monitor-your-ho</span><span class="invisible">me-energy-in-real-time-with-esp32-and-home-assistant/</span></a></p><p><a href="https://mastodon.ie/tags/SmartHome" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SmartHome</span></a> <a href="https://mastodon.ie/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a> <a href="https://mastodon.ie/tags/HomeAssistant" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HomeAssistant</span></a> <a href="https://mastodon.ie/tags/Maker" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Maker</span></a> <a href="https://mastodon.ie/tags/EnergyMonitoring" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>EnergyMonitoring</span></a> <a href="https://mastodon.ie/tags/FediMakers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FediMakers</span></a> <a href="https://mastodon.ie/tags/OpenHardware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHardware</span></a></p>
Ed Braaten, N7EKBA 2 watt RNode design. <a class="mention hashtag" href="https://mostr.pub/tags/reticulum" rel="nofollow noopener noreferrer" target="_blank"><span>#</span>reticulum</a> <a class="mention hashtag" href="https://mostr.pub/tags/PE1RXF" rel="nofollow noopener noreferrer" target="_blank"><span>#</span>PE1RXF</a> <a class="mention hashtag" href="https://mostr.pub/tags/nomadnet" rel="nofollow noopener noreferrer" target="_blank"><span>#</span>nomadnet</a> <a class="mention hashtag" href="https://mostr.pub/tags/hamradio" rel="nofollow noopener noreferrer" target="_blank"><span>#</span>hamradio</a> <a class="mention hashtag" href="https://mostr.pub/tags/meshtastic" rel="nofollow noopener noreferrer" target="_blank"><span>#</span>meshtastic</a> <a class="mention hashtag" href="https://mostr.pub/tags/homebrew" rel="nofollow noopener noreferrer" target="_blank"><span>#</span>homebrew</a> <a class="mention hashtag" href="https://mostr.pub/tags/esp32" rel="nofollow noopener noreferrer" target="_blank"><span>#</span>esp32</a><br><br><a href="https://www.meezenest.nl/mees/projects/reticulum_design_my_own_rnode/index.html" rel="nofollow noopener noreferrer" target="_blank">https://www.meezenest.nl/mees/projects/reticulum_design_my_own_rnode/index.html</a>
MCQN Ltd<p>Kicking off another round of weeknotes now that we're 1024 weeks old! Featuring LEDs, bikes, <span class="h-card" translate="no"><a href="https://social.mcqn.com/@museuminabox" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>museuminabox</span></a></span>, 3D scanning, and marketing.</p><p>Week 1024 - a Kiloweek of MCQN</p><p> <a href="https://mcqn.com/posts/week-1024-kiloweek-of-mcqn/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">mcqn.com/posts/week-1024-kilow</span><span class="invisible">eek-of-mcqn/</span></a></p><p><a href="https://social.mcqn.com/tags/weeknotes" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>weeknotes</span></a> <a href="https://social.mcqn.com/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a> <a href="https://social.mcqn.com/tags/LED" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>LED</span></a> <a href="https://social.mcqn.com/tags/photogrammetry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>photogrammetry</span></a> <a href="https://social.mcqn.com/tags/3Dscanning" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>3Dscanning</span></a> <a href="https://social.mcqn.com/tags/marketing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>marketing</span></a></p>
Xypher<p>The receiver hardware consists of:<br>- ESP32 D1 mini board<br>- RS485 transceiver<br>- XLR socket<br>- Big power bank<br>- WS2812 LED ring I had laying around to debug the effects</p><p>It receives the button events via <a href="https://furry.engineer/tags/ESPNOW" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESPNOW</span></a>, processes them to light effects and outputs <a href="https://furry.engineer/tags/DMX" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DMX</span></a> to the RGB spotlights (and the WS2812 LEDs).</p><p>I finished putting everything in a stylish cardboard box at 7am on the day of the event and went to sleep :P</p><p><a href="https://furry.engineer/tags/Grobpfottaster2Light" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Grobpfottaster2Light</span></a> <a href="https://furry.engineer/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a></p>
Xypher<p>Software-wise, the buttons are pretty simple.<br>I used the <a href="https://furry.engineer/tags/ESPNOW" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESPNOW</span></a> protocol, ofc, because the actions had to be transmitted quickly and without using much power.<br>The button simply transmits its state (and battery level). So during a normal press "cycle" it sends the packets: 'pressed', then 'held' (repeated), and finally 'released'.</p><p>I tried to optimize the power usage as much as possible. <br>Disabling the ESP-NOW receive already dropped the idle power usage from 80mA to 20mA.<br>Going to light sleep between button presses dropped it further to around 0.6 mA. <br>(Deep sleep didn't work correctly with the chosen wake-up pin and would've been overkill for "has to survive an evening" anyways. Even light sleep isn't really necessary [foreshadowing])</p><p><a href="https://furry.engineer/tags/Grobpfottaster2Light" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Grobpfottaster2Light</span></a> <a href="https://furry.engineer/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a></p>
Xypher<p>For the buttons, I built small electronic packs consisting of:<br>- ESP32-C3 Super Mini board<br>- USB-C lithium charging &amp; protection board<br>- 280mAh LiPo battery</p><p>But I had to modify the two boards a bit to fit my use case.<br>- I replaced the cheap linear regulator on the ESP32-C3 with an actual LDO with under 200mV dropout under load (AP2112K). Otherwise the ESP wouldn't even run when supplied with LiPo voltages.<br>- Added USB-C 5.1k CC resistors to the charging board, so it actually charges from proper PD power supplies.<br>- Changed the charging current setting resistor to fit the LiPo capacity.</p><p>The ESP board also got a voltage divider to measure the input voltage and a JST socket for the battery.</p><p>I simply stuck the boards and the battery together using double sided tape, used the battery connector as a power switch and had two wires coming off the pack that go to the button.</p><p>And the pack got mounted inside the button by just taping it to the switch module inside. </p><p><a href="https://furry.engineer/tags/Grobpfottaster2Light" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Grobpfottaster2Light</span></a> <a href="https://furry.engineer/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a> <a href="https://furry.engineer/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a></p>
Olimex<p>New MIPI DSI IPS LCD 2.8" with 640x480 pixel resolution works with Raspberry Pi 3/4 and ESP32-P4-DevKit at 100 fps <a href="https://olimex.wordpress.com/2025/05/16/esp32-p4-devkit-now-have-matching-mipi-lcd-with-vga-resolution-640x480-pixels-and-manage-to-refresh-it-with-100-fps/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">olimex.wordpress.com/2025/05/1</span><span class="invisible">6/esp32-p4-devkit-now-have-matching-mipi-lcd-with-vga-resolution-640x480-pixels-and-manage-to-refresh-it-with-100-fps/</span></a> <a href="https://mastodon.social/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a> <a href="https://mastodon.social/tags/esp32p4" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32p4</span></a> <a href="https://mastodon.social/tags/raspberrypi" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>raspberrypi</span></a></p>
Chi ha ucciso Il Conte?<p>PCBs for an installation made to help users in listening to an ancient rattle <a href="https://c.im/tags/pcb" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>pcb</span></a> <a href="https://c.im/tags/design" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>design</span></a> <a href="https://c.im/tags/kicad" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>kicad</span></a> <a href="https://c.im/tags/floss" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>floss</span></a> <a href="https://c.im/tags/electronics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>electronics</span></a> <a href="https://c.im/tags/esp32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>esp32</span></a></p>
LavX News<p>Introducing Tabajara: The IoT Device That Signals Your Availability</p><p>In an era of remote work, interruptions can be a productivity killer. Enter Tabajara, an innovative IoT device that lights up to indicate when you're in a meeting, leveraging the power of ESP32 and Py...</p><p><a href="https://news.lavx.hu/article/introducing-tabajara-the-iot-device-that-signals-your-availability" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">news.lavx.hu/article/introduci</span><span class="invisible">ng-tabajara-the-iot-device-that-signals-your-availability</span></a></p><p><a href="https://ioc.exchange/tags/news" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>news</span></a> <a href="https://ioc.exchange/tags/tech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tech</span></a> <a href="https://ioc.exchange/tags/HomeAutomation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HomeAutomation</span></a> <a href="https://ioc.exchange/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a> <a href="https://ioc.exchange/tags/IoTDevices" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IoTDevices</span></a></p>
LavX News<p>Introducing Tabajara: The IoT Device That Signals Your Availability</p><p>In an era of remote work, interruptions can be a productivity killer. Enter Tabajara, an innovative IoT device that lights up to indicate when you're in a meeting, leveraging the power of ESP32 and Py...</p><p><a href="https://news.lavx.hu/article/introducing-tabajara-the-iot-device-that-signals-your-availability" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://</span><span class="ellipsis">news.lavx.hu/article/introduci</span><span class="invisible">ng-tabajara-the-iot-device-that-signals-your-availability</span></a></p><p><a href="https://mastodon.cloud/tags/news" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>news</span></a> <a href="https://mastodon.cloud/tags/tech" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>tech</span></a> <a href="https://mastodon.cloud/tags/HomeAutomation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HomeAutomation</span></a> <a href="https://mastodon.cloud/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a> <a href="https://mastodon.cloud/tags/IoTDevices" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>IoTDevices</span></a></p>
EK :a_openbsd:<p>I can now read files from the Amstrad NC100 over serial with Python and OpenBSD; next stop is to parse ProText, then port it all to <a href="https://exquisite.social/tags/micropython" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>micropython</span></a> on <a href="https://exquisite.social/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a> and then hook it all up to WiFi, and I will have a dedicated <a href="https://exquisite.social/tags/geminiprotocol" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geminiprotocol</span></a> writing machine :flan_heart:</p>
Brad Linder<p>M5Stack Tab5 is a dev kit with a 5 inch touchscreen display, a 2MP camera, and an ESP32-P4 dual-core, 32-bit 400 MHz RISC-V processor, a 40 MHz RISC-V MCU, and a bunch of wired &amp; wireless I/O. Available now for $60. <a href="https://www.cnx-software.com/2025/05/09/m5stack-tab5-tablet-esp32-p4-iot-development-kit-5-inch-touchscreen-display-and-front-facing-camera/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">cnx-software.com/2025/05/09/m5</span><span class="invisible">stack-tab5-tablet-esp32-p4-iot-development-kit-5-inch-touchscreen-display-and-front-facing-camera/</span></a> <a href="https://fosstodon.org/tags/ESP32" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ESP32</span></a>-P4 <a href="https://fosstodon.org/tags/RiscV" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RiscV</span></a> <a href="https://fosstodon.org/tags/DevKit" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DevKit</span></a> <a href="https://fosstodon.org/tags/M5StackTab5" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>M5StackTab5</span></a> <a href="https://fosstodon.org/tags/M5Stack" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>M5Stack</span></a></p>