This circuit was obtained from Radio Electronics magazine, October 1987. The circuit uses a triac to control the heating element current. The transistors are general purpose.
March 2017 - The new 2W DC-DC converters from Recom can now be porchased at Mouser Electronics. The new...
This integrator circuit uses the junction FETs which can also be the BF245 or MPF102. The...
The figure shows a NOR or Non-OU logic function shield using general purpose diodes and a common...