The ever excellent Greg Davill did a 0.1 rev with his own Twinkie/Twonkie usb-pd sniffer take too. <a href="https://github.com/gregdavill/PD-sniffer">https://github.com/gregdavill/PD-sniffer</a><p>Really sad to see it in the archived products list but the ever excellent Pluggable had a USBC-TKEY product that was a Twinkie derived work. <a href="https://archive.plugable.com/products/usbc-tkey/" rel="nofollow">https://archive.plugable.com/products/usbc-tkey/</a><p>Not as direct & raw, but the excellent upcoming Cynthion-nee-Lina USB data sniffer board got a much extended set of USB-PD handling capabilities in an update posted last week! If you want a fancy board for hacking USB, it's pd is OK, but this is almost for sure the best hacking board out there. <a href="https://www.crowdsupply.com/great-scott-gadgets/cynthion/updates/cynthion-hardware-design-update" rel="nofollow">https://www.crowdsupply.com/great-scott-gadgets/cynthion/upd...</a>