PID Temperature Controller Max232 PC via RS232 serial port connection can be made According to information I found PID Temperature Controller is accurate temperature control system i AT90S2313 control system with high mains voltage MOC3061 Opto-isolated TRIAC BTA10-600B used... Electronics Projects, AT90S2313 Computer Supported PID Temperature Controller "avr project, microcontroller projects, " Date 2019/08/02