... Parts Detail:One Time Programme parts.PSD301B-15J -IC-PSD301-Low Cost Field Programmable Microcontroller Peripherals Programmable ... , Buzzer, Optoelectronics/Fiber, Laser, Transistor,Trimmer potentiometers, FET(module), inductors, Fixed resistors, Swith, Crystal, Potentiometers and so ... , rather than a vendor! PSD301B-15J-IC-PSD301-Low Cost Field Programmable Microcontroller Peripherals