Page 169 - 15 Dangerously Mad Projects for the Evil Genius

Chapter 11 ■ Flash Bomb 147

Figure 11-9 Logical diagram for the flash gun

battery to 330V. It does this using an oscillator that Summary
drives a transformer.
This is a nice easy project and one intended for
The high voltage is then rectified by a diode and
mischief. However, please be careful, both of the
charges the capacitor. Even when the capacitor is
high-voltage electronics and in using it
fully charged to 330V, the flash tube will not fire
responsibly.
until a much higher trigger voltage pulse of around
4kV is applied to the trigger connection of the In the next chapter, we stay with the flashing
tube. This pulse is generated by a special high- theme and develop a project that uses 36 high-
voltage trigger transformer. The trigger transformer brightness LEDs to make a strobe light.
receives a short pulse when the shutter is released.