Notes concerning “Contrivances”

• Intermittent fan 02021-01-03 (updated 02021-01-04) (1 minute)
• iPhone replacement cameras as 6-μs streak cameras 02021-01-22 (updated 02021-12-30) (2 minutes)
• Energy autonomous computing 02021-02-18 (updated 02021-12-30) (58 minutes)
• Panelization in PCB manufacturing 02021-02-25 (updated 02021-02-26) (7 minutes)
• Refreshing Flash memory periodically for archival 02021-03-02 (1 minute)
• Geneva wheel stopwork 02021-04-07 (updated 02021-04-08) (6 minutes)
• A bargain-basement Holter monitor with a BOM under US$2.50 02021-04-07 (updated 02021-07-27) (33 minutes)
• Locking telescope 02021-04-07 (updated 02021-12-30) (2 minutes)
• Logarithmic low-power SERDES 02021-04-08 (4 minutes)
• Forming steel with copper instead of vice versa 02021-04-16 (updated 02021-06-12) (2 minutes)
• Phased-array imaging sonar from a mesh network of self-localizing sensor nodes 02021-04-27 (updated 02021-12-30) (8 minutes)
• A boiler for submillisecond steam pulses 02021-04-28 (updated 02021-12-30) (10 minutes)