| With only one or two minor modifi-cations, it is possible to adapt a calculator to increment or decrement two separate numbers and display t...
| With only one or two minor modifi-cations, it is possible to adapt a calculator to increment or decrement two separate numbers and display t...
| Starting with, for example, a music signal, or indeed any other type of sound, the following circuit can be used to generate a variety of i...
| Starting with, for example, a music signal, or indeed any other type of sound, the following circuit can be used to generate a variety of i...
| When enlarging photographs, two factors are of prime importance, the required exposure time, which is determined by the density of the negat...
| When flying radio controlled model aeroplanes there is always the chance that a fault will occur in either the transmitter or the receiver,...
| When flying radio controlled model aeroplanes there is always the chance that a fault will occur in either the transmitter or the receiver,...
| The following circuit should prove particularly interesting to those readers considering building their own FM tuner. The novel feature of t...
| An annoying disadvantage of fluor-escent lamps compared to the incandescent variety is the flickering delay before they actually burst into...
| Although primarily intended as a conversation piece at parties etc. the circuit described here can be used in numerous applications ranging...
| Although primarily intended as a conversation piece at parties etc. the circuit described here can be used in numerous applications ranging...