The circuit can be controlled 8 led 4 mode with pic16f84 effect can be gradual or key with choice in commutator welding proton codes and proteus isis simulation file
LED Show Circuit Schematic
LED Show Proton ide code and schematic:
PIC16F84 LED Show Circuit Proton ide Example ZIP File Password: 320volt.com
BI-Direction Motor Speed Control Circuit LM324 Mosfet IRF9540 IRF540
Integrated control circuit of the LM324 opamp circuits are working with 12-24 volt motor direction (the direction B) and speed control (24volt 10Amp are) able to. Working frequency of 270Hz and printed circuit materials list.
Motor Speed Control Circuit