4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits
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4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits
Expand your I/O capabilities effortlessly with the PCF8575 module, allowing control of up to 16 inputs/outputs using just two pins!
4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits
Preces #: 98009051

4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits

Preces #: 98009051

€ 17

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from ASV

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ASV Importēts no veikala USA
Pasūtiet tūlīt un saņemiet to Piektdiena, Jūlijs 17
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Expand your I/O capabilities effortlessly with the PCF8575 module, allowing control of up to 16 inputs/outputs using just two pins!
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Note: Step Down Voltage Transformer required for using electronics products of ASV store (110-120). Recommended power converters Pērc tagad.

What Stands Out

16 IO Ports
Offers 16 additional input/output ports, allowing extensive connectivity for various sensors and devices, optimizing your project’s functionality and versatility.
I2C Compatibility
Utilizes I2C communication protocol, enabling easy integration with microcontrollers while minimizing pin usage, streamlining complex designs significantly for both beginners and experts.
Compact Design
Features a space-saving design that enhances prototyping convenience, making it suitable for projects with limited space while maintaining high performance and reliability.

Produkta informācija

Shop 4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits online at a best price in Latvia. B0B6BSJPS8
Item Weight0.3 lbs (140 grams)

Who Should Buy?

Suitable For
  • Hobbyist Electronics

    Ideal for hobbyists needing extra GPIO for projects, allowing control of multiple devices with limited microcontroller pins.

  • DIY Automation Projects

    Perfect for DIY home automation setups requiring additional input/output capabilities for sensors and actuators.

  • Educational Use

    Great for students learning about I2C communication and IO expansion, offering hands-on experience with integrated circuits.

Not Suitable For
  • High-Performance Applications

    Not suitable for high-speed applications where latency or speed is critical, due to I2C communication limitations.

  • Professional Prototyping

    May not meet the requirements for professional or industrial-level prototypes that need robust performance and reliability.

  • Limited Technical Knowledge

    Users unfamiliar with I2C or GPIO may find the module challenging to implement effectively in their projects.

PRODUKTA APRAKSTS

4PCS PCF8575 IO Expander Module I2C to 16IO Integrated Circuits

Vai jums ir kādi jautājumi? Terzet ar mums

Klientu jautājumi un atbildes

  • jautājums: What is the default I2C address of the PCF8575 module?

    atbildi: The default I2C address is 0x20, which can be modified by soldering the A1 and A2 selection pads.
  • jautājums: What is the maximum working current for the PCF8575?

    atbildi: The maximum working current for the PCF8575 is 100mA.
  • jautājums: Can the individual pins be configured for both input and output?

    atbildi: Yes, each of the 16 pins is individually configurable for either input or output.

QCCAN Single Board Computers Editorial Review

The 4PCS PCF8575 IO Expander Module has garnered mixed reviews from customers, reflecting both its potential and its drawbacks. Many users appreciate the functionality that these modules offer in expanding the I/O capabilities of their projects. However, a common theme among the reviews is the need for caution when handling these boards. One critical point mentioned is the necessity of soldering the A0, A1, and A2 pins to set the I2C address. This step is crucial; otherwise, users may face unexpected changes in the address during operation, which could lead to troubleshooting confusion. Additionally, the pin numbering on the boards presents a challenge, as the silk-screened labels skip certain numbers, causing further potential misunderstanding in code execution. While the boards are generally functional, customer experiences varied regarding their quality. A few users encountered non-functional boards, raising concerns about the reliability of the modules. This unpredictability can hamper projects, especially for those who intended to utilize multiple boards simultaneously. In some cases, users had to resort to painstaking troubleshooting only to discover that the fault lay with the hardware itself rather than their coding or wiring efforts. Overall, the 4PCS PCF8575 IO Expander Module is presented as a cost-effective solution for those adept at soldering and troubleshooting hardware but poses a risk of receiving defective units. **

Customer Reviews & Ratings

5.0
1 klientu vērtējumi
  • 5 zvaigzne
    100%
  • 4 zvaigzne
    0%
  • 3 zvaigzne
    0%
  • 2 zvaigzne
    0%
  • 1 zvaigzne
    0%

Pārskatiet šo produktu

Dalieties savās domās ar citiem klientiem

Pros

  • Cost-effective for multiple I/O expansion.
  • Generally functional when properly set up.
  • Suitable for users comfortable with soldering and coding.

Mīnusi

  • Necessity of soldering A0, A1, and A2 pins to set the I2C address may confuse some users.

Platform Trust & Buyer Confidence

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4.3/5 9,000 + reviews
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MT
Mohd
Verified buyer

“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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Shawati
Verified buyer

“Accurate delivery timing given”

16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
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6/7/2026 · via Trustpilot
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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€ 17

Pasūtiet tūlīt un saņemiet to Piektdiena, Jūlijs 17

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Funkcijas un priekšrocības

  • Control up to 16 I/O with only two I/O for seamless expansion.
  • Features a robust I2C interface for easy connectivity.
  • Quasi-bidirectional 16-bits input/output pins for versatile applications.
  • 3.3V level converter circuit for flexible voltage requirements.
  • Working voltage range of 2.5 - 5.5V DC for broad compatibility.
  • Ideal for UNO R3 and other MCUs, perfect for controlling relays, buzzers, and LEDs.

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