Eight Serial Ports HAT 2-Layer Stackable for Raspberry Pi
8-SERIAL Ports for Raspberry Pi: The latest versions of the Raspberry Pi have up to four UART ports on the GPIO connector, but you cannot use them without a physical layer transceiver. The Eight Serial Ports HAT uses all four ports of the Raspberry Pi, plus eight additional ports from two 32-bit ARM Cortex processors, to implement all the standard serial ports in use today. The processors talk to the Raspberry Pi using only the I2C port, with the hardware address selectable from a DIP switch. One LED for each port shows when the port is active.
Eight Serial Ports HAT Specifications
RS485 Ports: Max 921,600 bps
RS232 Ports: Max 230,400 bps
RS422 Ports: TBD
1-Wire: TBD
CAN: TBD
M-BUS: TBD
Compatibility: The Eight Serial Ports HATÂ is compatible with Raspberry Pi versions from 3 to 5. Older versions of the Raspberry Pi might not have all four serial ports available on the GPIO connector.
Power Requirements:Â The card takes 5V and less than 100mA of power from an external 5V power supply. It also provides up to 3.5A power through the hardware watchdog to the Raspberry Pi.
Stacking Multiple Cards: Two Eight-Serial-Port HATs can be stacked on top of one Raspberry Pi, implementing 16 serial ports.
Card Layout
Mechanical Specifications:Â The 8-Serial Port Card has the same mechanical specifications as all the Sequent Microsystems cards in the Industrial Automation family.
Features
- It has 8 Serial Ports. The HAT has three RS232 ports
- One RS485 port with selectable terminator
- One RS422 port with selectable terminator
- One CAN port
- One 1-Wire port
- One M-BUS port
- Compatible with all Raspberry Pi versions from 3 to 5
- Two-Layer Stackable
- On board hardware watchdog
- Reset pushbutton
- Status LED indicators on each serial port and power
- No additional software required (drivers included in the Linux kernel)
- ECCN Code EAR99
Serial Ports Downloads
Two Serial Ports
Four Serial Ports
Eight Serial Ports
Software
The 8-Serial Ports Card does not require software. All the software drivers are part of the Linux kernel. Setup instructions can be found here.
When you purchase the 8-Serial Ports Card, you will receive the following items:
Eight Serial Ports add-on HAT for Raspberry Pi
Mounting hardware
- Four M2.5x18mm male-female brass standoffs
- Four M2.5x5mm brass screws
- Four M2.5 brass nuts
Connector Plugs
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