tilt switch

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This is a tilt switch for an LED flashlight or other moderate load. The BS170 is preferred to the 2N7000 because it can handle twice the power.

             +V     LED1
              |     *****
              |   **     **     R1
              +---*-->|---*----/\/\/---+
              |   **     **            |
        SW1 \       *****          *******   Q1
             \                   **    .  **
              |                 *    | |    *
              +-----------------*.---|      *
              |                 *    | |    *
              |                  **    .  **
              |                    *******
              |        C1              |
              +--------)|--------------+
              |                        |
              |        R2              |
              +-------/\/\/------------+
                                       |
                                     -----
                                      --- GND
                                       -
 R1  : 300 Ohm
 R2  : 1M Ohm
 C1  : 1000 uF, electrolytic or tantalum, polarized
 SW1 : tilt switch, ball or mercury
 LED1: high brightness white LED
 Q1  : 2N7000 or BS170