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Main image of Serial Expansion HAT for Raspberry pi Onboard SC16IS752 2 Channels(2-ch) UART 8 GPIOs I2C Interface Stackable to 16 Modules to 32-ch UART

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Serial Expansion HAT for Raspberry pi Onboard SC16IS752 2 Channels(2-ch) UART 8 GPIOs I2C Interface Stackable to 16 Modules to 32-ch UART

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Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards; Onboard SC16IS752, expands 2-ch UART and 8 programmable GPIO through I2C, no extra pin required; It is stackable up to 16 this modules by setting the address jumper, that means up to 32-ch UART; Onboard multi LEDs for indicating the UART working status; Reserved I2C control pins, allows to work with other control boards

Overview

Specs

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Overview There is only 1-ch UART port on the original Raspberry Pi, once it is used for terminal debugging, no more other serial device is allowed. What a poor situation. Now you have 2-ch extra UART, plus 8 programmable GPI
Os, just bring this Serial Expansion HAT. Features Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards Onboard SC16IS752, expands 2-ch UART and 8 programmable GPIO through I2C, no extra pin required It is stackable up to 16 this modules by setting the address jumper, that means up to 32-ch UART Onboard multi LEDs for indicating the UART working status Reserved I2C control pins, allows to work with other control boards Comes with development resources and manual (examples in C and python)

Specifications

Operating voltage: 3.3V
Expansion chip: SC16IS752
Control interface: I2C
Dimension: 65mm x 30mm
Mounting hole size: 3.0 mm
PACKAGE CONTENT Note: Raspberry Pi in the photos is NOT included.
1. Serial Expansion HAT x1 2. RPi screws pack (2pcs) x1

Model
Brand	Fenvit

Additional Information
First Listed on Newegg	August 29, 2026

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Item#: 9SIC7CZM5N1159