see shy jo@mjg59 hahaha I thought you were just shitposting
also I remembered I used to have one of these in production, except it was 5v with the polarity switched and had a barrel jack on the other end. Made it myself.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.