August 2008

The PIC16F877 microcontroller, prepared with activated an old ISA ethernet (3com eherl Link) Used guess PIC internet connection with an application I’m not sure 🙂 circuit aim could not understand..

I made a simple SMPS with IR2153 before the Transformer EI33 more advanced and powerful but this practice was used transformer (ETD34) you have to wrap transformer circuits, I applied..