Notes concerning “Metrology”

• Charge transfer servo 2013-05-17 (2 minutes)
• The Tinkerer’s Tricorder 2013-05-17 (updated 2014-04-24) (27 minutes)
• Optical lever thermometer 2015-09-03 (1 minute)
• A hand-powered computer? 2015-09-03 (updated 2017-07-19) (11 minutes)
• Solar-cell Geiger counters 2016-07-30 (1 minute)
• Augmenting a slow precise ADC with a sloppy fast high-pass filtered parallel ADC 2017-03-20 (2 minutes)
• Disk oscilloscope 2017-04-10 (updated 2017-06-20) (3 minutes)
• TV oscilloscope 2017-04-10 (updated 2017-06-20) (4 minutes)
• Laser printer oscilloscope 2017-04-18 (updated 2017-06-20) (2 minutes)
• Can a simple nonlinear VCO enable super cheap oscilloscopes? 2017-05-04 (updated 2017-05-10) (5 minutes)
• VCR oscilloscope 2017-05-10 (updated 2017-06-20) (2 minutes)
• CCD oscilloscope 2017-06-20 (updated 2017-07-04) (7 minutes)
• Arduino curve tracer 2018-06-17 (10 minutes)
• Turning off the power supply for every sample to reduce noise 2018-06-18 (2 minutes)
• Measuring submicron displacements by pitch bending a slide guitar 2019-05-05 (18 minutes)
• Inductor thermocouple sensing 2019-06-01 (21 minutes)
• Measuring the moisture content of coffee and other things with dielectric spectroscopy 2019-07-16 (updated 2019-07-17) (28 minutes)
• Phase relations 2019-07-23 (updated 2019-07-24) (4 minutes)