Stepper Motor Drive (CB21490E)

This circuit was found in a 1967 Electronic Design. The circuit makes use of components from the time. Modern equivalents can be used.

| Clique na imagem para ampliar |

Temperature Control (CB6003E)
This circuit functions as a thermostat triggering a relay when the boil control temperature...
Latching relay (CB25722E)
The figure shows how to connect a relay to obtain the latch effect. The circuit is from an...
Extension Bell (CB15685E)
With this circuit it is possible to use a DC buzzer (not a transducer) as an extension of the...