House & Home Physics
RC Charging (Dimmer / Timer)
V_c = V·(1 − e^(−t/RC))

The exponential charge/discharge of a capacitor through a resistor sets the timing in dimmers, delay switches and 555-timer circuits.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).