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 Schemtic, PCB
Published: 2010/02/16 Tags: motor control circuit, motor driver circuit
ULN2803 CNC control interface for the isolated LPT
You can also use your CNC project running from the computer’s LPT port interface control card to the 74HC14 integrated circuit uln2803 are based on the opto-isolation provided by pc817
I decided to design your own master plate for CNC applications but not only 😉 (it is also used as a programmer for ATmega microcontrollers, as well as an early tester of simple programs control data output LPT port written in C + +)
CNC control interface