Notes concerning “Falstad’s circuit simulator”

• One big text file 02020-06-04 (updated 02020-06-06) (20 minutes)
• Level shifter 02020-10-08 (updated 02020-10-10) (9 minutes)
• Machine-readable PNG circuit diagram watermarks 02020-11-06 (1 minute)
• Copper segelín 02020-11-06 (updated 02020-11-08) (19 minutes)
• A compact textual format for interchange of electronic circuit designs 02020-11-11 (updated 02020-11-26) (1 minute)
• Relay buzzer 02020-11-23 (2 minutes)
• My very first opamp 02020-11-27 (4 minutes)