I have a circuit of LEDs - say L1-L10. My requirements:
- No visible switch
- Illuminate the LEDs successively (only ever one at a time) every time the user passes a magnetic "wand" over the switch. (Mode 1-10)
- Using the same "wand" permit the user to set the circuit to an automatic mode whereby an LED lights for a few seconds then the next, etc. Again only one LED at a time. (Mode 11)
- Permit the user to turn on all LEDs simultaneously. (Mode 12)
- The circuit should remember which Mode was last enabled when reactivated.
- Battery operated 9V.
I've seen kits advertised with this type of feature using a reed switch. Thus far I've been unable to locate any information on how such a switch is used to change modes. Can anyone help me find out how this is done?