More about car (530)

1-10-1977 | The infra-red receiver and multiplex decoder are the heart of the car electronics. The servo amplifier and speed controller cannot oper...

1-09-1977 | Having described the servo amplifier in the previous article, the motor speed controller is discussed. This is followed by a descript...

1-07-1977 | This preamp is specifically intended for use with low impedance microphones; its advantages are high output level, large ban...

1-07-1977 | This circuit is designed to replace the moving coil centre-zero meter which is used as a tuning indicator in many receivers. Th...

1-07-1977 | Depending on type and the current flowing, • the forward voltage drop of an LED may lie between 1.4 and 2 volts. The temperatur...

1-07-1977 | This circuit is designed to give an audible and visible warning to the absent-minded motorist who forgets to switch off...

1-07-1977 | This circuit produces a good imitation of machine-gun fire, an effect which should be sufficient to deter the most persiste...

1-07-1977 | Many motorised car aerials are not fully automatic in operation but are provided with a manual dashboard switch. Thls has...

1-06-1977 | Having described the multiplex encoder, infra-red transmitter slotless model car track (3) and receiver in the ~ previous two art...

1-05-1977 | As described in last month`s article, the model cars are powered from the special race track, but steering and speed commands are p...