MEP EP#224: The Normal Chaos

<h4><a href="https://macrofab.com/blog/mep-ep224-the-normal-chaos/">MEP EP#224: The Normal Chaos</a><br></h4><h4>Stephen</h4> <ul> <li>DC Heating and Thermal Testing <ul> <li>A low voltage moderate current linear power supply</li> <li>12.6V dc @ 0.55A 6.93W</li> <li>LM2940T-12.0 LDO</li> <li>TIP42 bootstrap transistor to share the load</li> <li>12V @ 2A transformer supplies ~16.2vdc with 200mV ripple</li> <li>~2W of heat to be handled</li> <li>Shooting for about 250mW in the regulator and the transistor then the rest will get dumped in some resistors</li> <li>PCB heatsinking</li> </ul> </li> <li>Diptrace 4.0 is finally here! <ul> <li>Snapping and aligning items</li> <li>Circles and arcs actually have a center now…</li> <li>Paste and Mask layers are finally visible</li> <li>Pad angles other than 0 and 90 are now available in the pattern editor</li> <li>One button for removing silkscreen from pads</li> <li>Progressive searching for components instead of the seizure it used to be</li> <li>Export options now can export all the manufacturing files as a single zip</li> <li>Teardrops!</li> </ul> </li> </ul> <h4>Parker</h4> <ul> <li>Wagoneer Engine Work <ul> <li>Timing cover <ul> <li>Water pump</li> <li>Timing chain</li> <li>Distributor gear</li> <li>Distributor camshaft gear</li> <li>Harmonic Balancer</li> <li>All the gaskets</li> </ul> </li> <li>Radiator next</li> <li>Dash Cluster</li> </ul> </li> <li>Fixing a wine chiller </li> </ul>