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#ssd1303

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LeoDJ<p>- Built the (shitposty) <a href="https://chaos.social/tags/USB2Speakon" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>USB2Speakon</span></a> adapter<br>- Designed a new revision of the <a href="https://chaos.social/tags/SSD1303" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SSD1303</span></a> breakout PCB<br>- Developed a small ESP-NOW telemetry and logging framework for a model rocket <a href="https://chaos.social/tags/jfzhn" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>jfzhn</span></a> project<br>- Finished reverse engineering the <a href="https://chaos.social/tags/startergenerator" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>startergenerator</span></a>. It spins now! \o/<br>- Built <a href="https://chaos.social/tags/TheLAEMPAN" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TheLAEMPAN</span></a> together with <span class="h-card" translate="no"><a href="https://chaos.social/@techbeard" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>techbeard</span></a></span> and <span class="h-card" translate="no"><a href="https://chaos.social/@Toble_Miner" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>Toble_Miner</span></a></span> (RGB replacement PCBs for IKEA LAMPANs, more info coming sometime™)</p><p><a href="https://chaos.social/tags/GoodOf2024" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>GoodOf2024</span></a> 2/3</p>
LeoDJ<p>- Bought a Mercedes <a href="https://chaos.social/tags/startergenerator" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>startergenerator</span></a> and started reverse-engineering it<br>- Implemented gamma correction for <a href="https://chaos.social/tags/PixelBridge" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PixelBridge</span></a><br>- Built a control board and instrument display for the <a href="https://chaos.social/tags/ePocketBike" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ePocketBike</span></a><br>- Dabbled in upholstry and built a new seat for the <a href="https://chaos.social/tags/ePocketBike" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ePocketBike</span></a><br>- Acquired some big <a href="https://chaos.social/tags/SSD1303" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SSD1303</span></a> OLEDs and desgined a breakout board + Arduino library for it.<br>- Released the <a href="https://chaos.social/tags/PawConnect" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PawConnect</span></a> (Tag-Connect <a href="https://chaos.social/tags/TC2030" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>TC2030</span></a> compatible f̶o̶o̶t̶ pawprint)<br>- Built the now famous <a href="https://chaos.social/tags/PDBrick" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>PDBrick</span></a> together with <span class="h-card" translate="no"><a href="https://chaos.social/@techbeard" class="u-url mention" rel="nofollow noopener" target="_blank">@<span>techbeard</span></a></span><br>2/3</p>
LeoDJ<p>After a lengthy bring-up debug session, I noticed the <a href="https://chaos.social/tags/SSD1303" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SSD1303</span></a> not quite behaving as I expected.<br>Pin D2 (SDA_out, which "should be left open" in <a href="https://chaos.social/tags/SPI" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SPI</span></a> mode) was not staying high all the time, like I had measured previously.<br>Rather it was shifting out some kind of gibberish data.<br>This was not compatible with my tested idea of "just putting a diode between SDA_out and SDA_in (D1)", to still allow I2C-lows through in <a href="https://chaos.social/tags/I2C" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>I2C</span></a> mode, but block the constant* high signal in SPI mode.</p><p>* formerly believed as</p>
LeoDJ<p>The <a href="https://chaos.social/tags/SSD1303" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SSD1303</span></a> <a href="https://chaos.social/tags/OLED" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OLED</span></a> breakout boards have arrived!<br>They've turned out even better than expected and the display fits perfectly :3</p>
LeoDJ<p>Got a bit carried away designing a breakout board for some old <a href="https://chaos.social/tags/SSD1303" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>SSD1303</span></a> <a href="https://chaos.social/tags/OLED" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>OLED</span></a> displays I got from a friend.</p>