H8-4 MULTI I/O *NOT TESTED
H8-4 MULTI I/O INTERFACE V1.0
H8-4 MULTI I/O
Supports 4X 16C550 with 20mA loop and USB Serial ports, I2C Buss, DSRTC, OLED Display, qwiic Interface, USB HDOS printer, USB VDIP1 Interface,
Contact Todd Goodman for board order: Link