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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

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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

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Brand	Fenvit

Additional Information
First Listed on Newegg	August 28, 2026

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Item#: 9SIC7CYM5H6126