This circuit is from a 1992 PE Hobbyst Handbook. The circuit fires an old electronic flash using an SCR. The circuit can be adapted for other types of applications.
The integrated circuits used in this 1999 project are not very common today. However, they can be...
This 3-digit thermometer, suggested by Texas Instruments, uses 3 integrated plus the display, with...
This circuit is from the National Semiconductor FET Databook. The coil data is provided with the...