This protection circuit trips by quickly blowing the fuse in the event of an overcurrent. The circuit is from a 1964 Electgronic Design. The transistor can be general-purpose.
With this step the motor is energized when the TTL or CMOS input is high. Motors up to 1 amp and...
This circuit was obtained from an English magazine from 1981. The magazine no longer exists, but...
This siren produces an intermitent sound given by the characteristics of the two oscillators using the...