MEP EP#283: You Adapt. You Overcome. You Put in a Pull Request.

<ul> </ul><h4><a href="https://macrofab.com/blog/mep-ep283-you-adapt-you-overcome-you-put-in-a-pull-request" target="_blank">MEP EP#283: You Adapt. You Overcome. You Put in a Pull Request.</a><br></h4><ul><li>Custom DIY Multimeter? <ul> <li><a href="https://www.eleccircuit.com/digital-multimeter-circuit-using-icl7107/" target="_blank" rel="noopener">Fun article about meter design</a><b><br> </b></li> <li>Specs <ul> <li>DC Voltage <ul> <li>Range 1000V</li> <li>Accuracy</li> <li>Resolution</li> <li>Autorange?</li> </ul> </li> <li>AC Voltage <ul> <li>True RMS?</li> </ul> </li> <li>DC/AC Current? <ul> <li>Range 10A</li> </ul> </li> <li>Resistance measurement <ul> <li><a href="https://www.allaboutcircuits.com/textbook/direct-current/chpt-8/kelvin-resistance-measurement/" target="_blank" rel="noopener">4 wire kelvin</a></li> </ul> </li> <li>Communication <ul> <li>USB</li> <li>2x 16 Character Display for Status</li> </ul> </li> <li>Powering the meter <ul> <li>Isolated DC-DC converter </li> </ul> </li> <li>Enclosure <ul> <li>19” rack 1U </li> <li>Isolated mounting holes</li> </ul> </li> <li>Safety</li> <li><a href="http://www.hycontek.com/wp-content/uploads/DS-HY3131_EN.pdf" target="_blank" rel="noopener">HY3131 </a> <ul> <li><a href="https://reference.digilentinc.com/add-ons/dmm-shield/reference-manual" target="_blank" rel="noopener">Digilent has an arduino shield based on this Chip </a></li> </ul> </li> </ul> </li> </ul> </li> <li>When to schedule python for engineers intro stream? <ul> <li><a href="http://macrofab.com/slack" target="_blank" rel="noopener">Slack channel for poll and discussion</a></li> </ul> </li> </ul>