TCA9555 I2C I/O Expander 16-Bit GPIO Expansion Board for Arduino

★★★★★ 4.8 20 reviews

US$3.20
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by awardsclub.co.uk
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$3.20
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Sep 25
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by awardsclub.co.uk
Free 30-day returns Details

Product details

Management number 250254479 Release Date 2026/09/17 List Price US$3.20 Model Number 250254479
Category
  • 【16-Bit I/O Expansion Module】 16-bit bidirectional ports; I²C/SMBus compatible; supports standard (100kHz) and fast (400kHz) modes; Suitable for microcontroller extension
  • 【Low Power Design】 Less than 3.5µA standby current; 2000mAh battery life; 1.8µA sleep mode; suitable for portable and low-power applications
  • 【Interrupt-Driven Response】 Open-drain INT pin triggers on input change; reduces MCU polling overhead; supports real-time status monitoring
  • 【Flexible Address Configuration】 Three hardware address pins (A0/A1/A2); supports up to 8 devices in parallel; easy to integrate into multi-device systems
  • 【Plug-and-Play Compatibility】 Built-in pull-up resistors; 5V-tolerant I/O ports; compatible with for for Arduino , for for Raspberry Pi, STM32; no external components required
ASIN B0FTFXR6NW
Brand MusRock
Model Name TCA9555
Unit Count 1 Count
Manufacturer MusRock
Mfr Part Number TCA9555
Number of Items 1
Compatible Devices Desktop, Laptop, Printer, Speaker, Tablet
Warranty Description 18 months
Connectivity Technology I2C

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.8 out of 5
★★★★★
20 ratings | 8 reviews
How item rating is calculated
View all reviews
5 stars
87% (17)
4 stars
2% (0)
3 stars
1% (0)
2 stars
0% (0)
1 star
10% (2)
Sort by

There are currently no written reviews for this product.