Electronics Dice 4017 (CB26047E)

This circuit was found in the May 1998 issue of Electronics Now magazine. The circuit drives a set of LEDs.

12 V Monitor (CB859E)
If the input voltage falls below 12 V the LED glows up. Other voltages can be monitored by...
DC Motor Control (CB20442E)
This motor control using transistors was found in a recent English publication. The circuit is for...
Small Electronic Organ 4093 (CB13188E)
In the figure we have an electronic toy organ that can both serve to amuse children as a basis for...