JJ Code
These are serial numbers for labeling my circuit boards so I can keep some documentation about them.
| Date | Code | Note |
|---|---|---|
| 2026-09-22 | JJ007 | capacitor and switch as used for Learning the Art of Electronics: Fig-2N.4 Constant Current Ramp |
| 2026-09-16 | JJ006 | RC Integrator for Learning the Art of Electronics: 2N.2.1 Differentiators, Again |
| 2026-04-26 | JJ005 | microcontroller battery power circuit from Space Drop |
| 2026-04-12 | JJ004 | AoE ex 1.10, voltage divider and Thevenin equivalent |
| 2026-03-24 | JJ003 | 3 to 18 mA load with ammeter interface |
| 2025-12-15 | JJ002 | three momentary push buttons into female pin header |
| 2025-12-02 | JJ001 | interface to a meter movement |