Are there any way using old PC for GPIO process (for example reading sensor) like Raspberry Pi? Have they GPIO pins or different port's pins which can use as a GPIO? If
PC-I2C/SPI/GPIO/PWM/ADC adapter with USB interface DLN-1
GPIO for any PC or Laptop: Adafruit FT232H - YouTube
8 Channel USB GPIO Module With Analog Inputs_ Botland - Robotic Shop
Amazon.com: 8 Channel USB GPIO Module with Analog Inputs