Gebildet
⏳Price
$27.99
SEENGREAT CAT9555 IO Expansion Module Board I2C Interface Expands 16 bit Parallel GPIO Expander, SMBus I/O Port, with Pre-soldered Header
★★★★★
$27.99
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1
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About this item
- 400 kHz I2C bus compatible
- Low stand−by current
- 5V tolerant I/O, high drive capability of I/O ports
- Polarity inversion register, active low interrupt output
- Internal power−on reset
Product description
Overview The CAT9555 IO Expansion Module provides 16−bit parallel input/output port expansion for I2C and SMBus compatible applications. These I/O expanders provide a simple solution in applications where additional I/Os are needed: sensors, power switches, LEDs, buttons, and fans. We provide the demo codes based on Raspberry Pi, Ardui UNO and STM32. Specifications Dimensions: 45mm(Length)*25mm(Width) Number of I/O PORTS: 16 Control Chip: CAT9555 Signal Interface: I2C Supply Voltage: 3.3V/5V Package contents: 1. CAT9555 IO Expansion Module x1 2. PH2.0 20cm 5Pin x1 Please feel free to contact us via Amazon message if you have any problem.
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Customer reviews
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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