This circuit is from a 1978 magazine Radio & Electronics Constructor, but it can be assembled with 1N4004 diodes and TIC106 SCRs for motors up to 1A. The transformer has a secondary 12 V x 1 A.
This stair generator uses an R/2Fl network to determine the amplitude of the steps. This circuit...
This circuit was found in old Maxim documentation. Check the availability of the IC if you are...
In the figure we have the 4047 application-circuit which consists of the monostable version in...