Notes concerning “Metrology”
Charge transfer servo
2013-05-17 (2 minutes)
The Tinkerer’s Tricorder
2013-05-17 (updated 2014-04-24) (27 minutes)
A hand-powered computer?
2015-09-03 (updated 2017-07-19) (11 minutes)
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 (18 minutes)