Using an integrated circuit that was available at the time, this circuit produces animal sounds such as mooing, rooster crowing, etc. The circuit is from a March 1997 Electronics Now magazine.
Indicated to power a decoder system circuit, this power supply used a regulator circuit of the...
In the figure we have a basic shield circuit with TTL to TTL optical isolator. For the emitting...
This protector was found in an Electronics Now from the 90s. The 250 V transient suppressors are common...