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#uart

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Wesley Moore<p>This looks quite handy <a href="https://www.crowdsupply.com/excamera/termdriver-2" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">crowdsupply.com/excamera/termd</span><span class="invisible">river-2</span></a></p><p>They also had a post about how they're using subpixel rendering to get legible text out of 3 pixel wide glyphs: <a href="https://excamera.substack.com/p/can-3-point-text-be-readable" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">excamera.substack.com/p/can-3-</span><span class="invisible">point-text-be-readable</span></a></p><p><a href="https://mastodon.decentralised.social/tags/uart" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>uart</span></a> <a href="https://mastodon.decentralised.social/tags/hardware" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hardware</span></a> <a href="https://mastodon.decentralised.social/tags/embedded" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>embedded</span></a> <a href="https://mastodon.decentralised.social/tags/fonts" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>fonts</span></a></p>
Verfassungklage@troet.cafe<p><a href="https://troet.cafe/tags/Computerclub2" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Computerclub2</span></a></p><p><a href="https://troet.cafe/tags/CC2tv" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>CC2tv</span></a> #403 Vom `print()` zum <a href="https://troet.cafe/tags/Bit" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Bit</span></a></p><p>So spricht dein <a href="https://troet.cafe/tags/Mikrocontroller" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Mikrocontroller</span></a><br>Wir zeigen, wie ein einziger <a href="https://troet.cafe/tags/MicroPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MicroPython</span></a>-Befehl – `print("Hallo Welt")` – Schicht für Schicht bis zum elektrischen Signal am TX-Pin zerlegt wird. Wir starten in der Hochsprache, werfen einen Blick auf den erzeugten <a href="https://troet.cafe/tags/Bytecode" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Bytecode</span></a> und zeigen, wie die MicroPython-VM ihn in C-Routinen übersetzt. Von dort gelangt der String über den <a href="https://troet.cafe/tags/UART" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UART</span></a>-Treiber als <a href="https://troet.cafe/tags/ARM" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ARM</span></a>- <a href="https://troet.cafe/tags/Maschinencode" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>Maschinencode</span></a> auf den RP2040-Prozessor</p><p><a href="https://cc2.tv/daten/20250705100000.php" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">cc2.tv/daten/20250705100000.ph</span><span class="invisible">p</span></a></p>
Shonky Electronics!<p>It lives!</p><p>The <a href="https://mastodon.social/tags/rc2014" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>rc2014</span></a> version of my FT245 based USB interface works exactly as intended with SCM, Basic and the 6850 version of CP/M</p><p>No more faffing with USB-Serial dongles and <a href="https://mastodon.social/tags/UART" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UART</span></a> settings for me, terminal software simply doesn’t care about baud rates and the like with this board,</p>
Olimex<p>New open source hardware board UEXT-3TO5V allow 5V devices and sensors to be powered and accessed by 3.3V UEXT boards <a href="https://olimex.wordpress.com/2025/06/10/new-open-source-hardware-board-uext-3-to-5v-converter-allows-5v-devices-and-sensors-to-be-connected-to-uext-boards-with-3-3v-levels/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">olimex.wordpress.com/2025/06/1</span><span class="invisible">0/new-open-source-hardware-board-uext-3-to-5v-converter-allows-5v-devices-and-sensors-to-be-connected-to-uext-boards-with-3-3v-levels/</span></a> <a href="https://mastodon.social/tags/uext" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>uext</span></a> <a href="https://mastodon.social/tags/oshw" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>oshw</span></a> <a href="https://mastodon.social/tags/sensor" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>sensor</span></a> <a href="https://mastodon.social/tags/spi" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spi</span></a> <a href="https://mastodon.social/tags/i2c" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>i2c</span></a> <a href="https://mastodon.social/tags/uart" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>uart</span></a></p>
diyelectromusic<p>Anyone know enough about the ATmega328 to know if the UART can cope with something else disabling interrupts for ~2mS...?</p><p>That sounds like quite a lot to me.</p><p>This is for handling MIDI, so I think at 31250 that would be enough for up to two complete 3-byte messages to have gone past...</p><p>Am about to pile into the datasheet, but the UART was always a bit of "mystery magic that just worked" for me...</p><p><a href="https://mastodon.social/tags/MakerHelp" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MakerHelp</span></a> <a href="https://mastodon.social/tags/ATMega328" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ATMega328</span></a> <a href="https://mastodon.social/tags/MIDI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>MIDI</span></a> <a href="https://mastodon.social/tags/UART" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>UART</span></a></p>