GeeekPi
✓Price
$41.99
SEENGREAT Serial Expansion HAT for Raspberry Pi, Adopting SC16IS752 2 Channels (2-ch) UART 8 GPIOs I2C Interface Stackable to 16 Modules, Ended to 32 Channel UART
★★★★★
$41.99
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About this item
- Onboard SC16IS752, can expand 2 serial ports and 8 programmable IO through I2C, does not occupy extra pins
- By changing the address jumper, up to 16 modules can be connected at the same time, that is, 32 serial ports can be expanded
- Multiple onboard indicators, easy to check the working status of the extended serial port
- Reserve I2C control interface for easy access to other main control boards
- Based on Raspberry Pi 40P connector design, suitable for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B
Product description
Overview: Based on Raspberry Pi 40P connector design, suitable for Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+/4B, adopting SC16IS752 chip solution, it can expand two serial ports and 8 GPIOs at the same time. Specifications: Supply voltage: 3.3 V or 5 V. Logic voltage: 3.3 V. Expansion chip: SC16IS752. Interface protocol: I2C. Package contents: 1. Serial expansion module x1. 2. PH2.54mm 16pin wire x2
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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