Fun and games circuit diagrams

Quiz Circuit

I've had a few requests for a quiz circuit, so here is a 4 input design which can easily be modified.

Combinational Conjuring Trick

The simple circuit of Fig.1 emulates a similar conjuring trick which sells for hundreds of Pounds. The trick seems to do the almost-impossible from an electronic point of view, let alone from the point of view of common sense.

Model rocket launch controller

It has the ability to control up to 8 pads through a 6 core cable.

Magic Wand Conjuring Trick

The simple conjuring trick in Figure 1 is intended to provide some enjoyment for the beginner in electronics or conjuring, and should take only an hour or two to build.

Digital Step-Km Counter

Max. range: 9,950 meters with two digits. Slip it in pants' pocket for walking and jogging

Magnetic Gun

Picured in Figure 1 is a miniature magnetic gun. When optimally tuned, it will propel a small slug about 1.5 metres high, or 2.5 metres horizontally.

E.S.P. Conjuring Trick

A former President of the Magic Circle, three times awarded the International Award for Magic, commented when he saw this trick: "Absolutely incredible!"