Four Serial Ports RS485 and RS232 Stackable HAT for Raspberry Pi
4.5 (1,234)
Sold 100+ last 30 days
20% off first order
$50.00
Color
Black
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The latest Raspberry Pi models support up to four UART interfaces on the GPIO connector, but these signals require an external physical-layer transceiver for practical serial communication. The 4-Serial Ports HAT provides a robust and conve...
Reviews
5.0
5 ratings
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Rock Solid Solution
Very happy with a 100% reliable solution at a great price. Thanks.
M
Mark · May 1, 2026
Get what you ask for
You get what you ask for and great service and communication. product is reliable and the examples get you up and running fast.
F
Fred · August 22, 2025
Great Product - Great Man - Great Company
Huge fan of Sequent Microsystems products for use - well, anywhere. I have used in a commercial startup product, industrial automation in factories, in my house and on my boat. I would have designed in the same manner (the drivers are open source and easily modified, source of learning, maintainable in the future.). I could go on and on but I have to get back to the command line.