MEP EP#219: Virtual Earth Mixers

<h4><a href="https://macrofab.com/blog/mep-ep219-virtual-earth-mixers/">MEP EP#219: Virtual Earth Mixers</a><br></h4><h4>Parker</h4> <ul> <li><strong>Brewery Update</strong> <ul> <li>Still bending tubes</li> <li>Going cheap and buying a roll of stainless steel tubing was a mistake</li> </ul> </li> <li><strong>Started looking into the Jeep Fan controller project again</strong> <ul> <li>Evolving into a Body control module</li> <li>Investigating the best way to add wireless remote control?</li> </ul> </li> <li><strong>Pinotaur LED REV2 design is completed</strong> <ul> <li>Using those APA-102C-NEW-260</li> <li>Working on a motor controller add-on for the Pinotaur board <ul> <li>Socketed motor controllers allow stepper or DC motor control</li> </ul> </li> </ul> </li> </ul> <h4>Stephen</h4> <ul> <li><b>Rotary switches</b> <ul> <li>Three datasheets and all are wrong…</li> <li>VAAPA: Variable Architecture And Parameters Amplifier</li> </ul> </li> <li> <strong>CNC Update</strong> <ul> <li>Working on greater accuracy</li> <li>Most cuts are within 0.005 but certain situations can make it up to 0.01</li> <li>Got a O flute bit in.</li> <li>Feeds and speeds</li> </ul> </li> <li><strong>Analog tricks</strong> <ul> <li>Clipping opamp in feedback</li> <li>Virtual earth mixer is no longer a virtual earth</li> </ul> </li> </ul> <h4>Rapid Fire Opinion</h4> <ul> <li><a href="https://www.newelectronics.co.uk/electronics-news/arrow-electronics-launches-european-fpga-developer-contest-2020/225862/" target="_blank" rel="noopener"><strong>Arrow Electronics launches European FPGA Developer Contest 2020</strong></a> <ul> <li>Entry via the Arrow European FPGA Developer Contest 2020 web page and choose from the following Intel FPGA development boards: MAX1000, CYC1000 or AnalogMAX /DAQ1/2/3</li> <li>Projects can involve anything from software, special IPs/interfaces and soft cores, to board modifications, adapter creation, adding a PMOD/Arduino, creating an IoT de