Notes concerning “Ubicomp”

• wood and stone personal digital assistants 2007 to 2009 (6 minutes)
• Keyboard-powered computers 2014-10-25 (updated 2018-10-28) (26 minutes)
• A hand-powered computer? 2015-09-03 (updated 2017-07-19) (11 minutes)
• Solar-powered portable computers 2016-09-17 (updated 2018-10-28) (15 minutes)
• Usability of scientific calculators 2016-09-29 (19 minutes)
• Reflections on rebraining calculators with this RPN calculator code I just wrote 2017-04-11 (4 minutes)
• Solar computer 2 2017-07-19 (3 minutes)
• How can we do online pitch detection? 2018-04-27 (updated 2018-04-30) (6 minutes)
• Whistle detection 2018-06-06 (updated 2018-12-02) (18 minutes)
• Notes on the STM32 microcontroller family 2018-06-30 (updated 2018-11-12) (42 minutes)
• Byte prefix tuple space 2018-07-14 (updated 2018-07-15) (4 minutes)
• Gardening machines 2019-04-02 (updated 2019-04-24) (32 minutes)