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Item #:
139377778
MCP23017 IO Expander Board, I2C Interface 16 GPIO Expansion Module for Raspberry Pi Arduino STM32, with Demo Code
Item #:
139377778
MMK 45260
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The MCP23017 module delivers reliable port expansion with plug-and-play ease.
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What Stands Out
I2C Interface
Seamlessly connects multiple devices using the I2C protocol, simplifying communication and reducing wiring complexity for Raspberry Pi, Arduino, and STM32 projects.
16 GPIO Expansion
Expands your microcontroller's GPIO pins by an additional 16, enhancing your ability to connect sensors, displays, and other peripherals without sacrificing existing ports.
Demo Code Included
Comes with ready-to-use demo code, facilitating easy integration and reducing setup time for hobbyists and developers, making it accessible for all skill levels.
Product Details
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
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Hobbyist Developers
Ideal for individuals experimenting with IoT projects, enabling easy GPIO expansion for various microcontrollers.
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Educational Purposes
Great for students learning embedded systems, providing practical experience with I2C and GPIO configurations.
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Prototype Builders
Perfect for engineers creating prototypes that require additional GPIOs, facilitating flexible and scalable designs.
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Non-Technical Users
Not suitable for users without electronics knowledge, as setup could be too complex without guidance.
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High-Power Applications
Not designed for high-current tasks, limiting use in projects requiring robust power management.
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Budget-Conscious Projects
May not be the best choice for projects constrained by tight budgets, as cheaper alternatives exist.
Product Description
MCP23017 IO Expander Board, I2C Interface 16 GPIO Expansion Module for Raspberry Pi Arduino STM32, with Demo Code
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the MCP23017 IO Expander Board used for?
Answer: The MCP23017 IO Expander Board is designed to expand the number of GPIO pins available for microcontrollers like Raspberry Pi, Arduino, and STM32. By utilizing the I2C interface, it allows you to add 16 additional GPIOs, making it ideal for projects requiring multiple inputs and outputs. This functionality is particularly useful in applications such as robotics, home automation, and sensor integration, where additional GPIO resources are essential for managing multiple devices. -
Question:
How does the I2C interface work with the MCP23017?
Answer: The MCP23017 uses the I2C communication protocol, which allows multiple devices to be connected on the same bus. You can connect it to your Raspberry Pi or Arduino using just two wires for data transmission and observation. This makes wiring simpler and reduces the number of pins used compared to other communication protocols, promoting a compact design in your projects. Many developers prefer I2C for its ease of use in connecting multiple peripherals. -
Question:
What types of projects can I build with the MCP23017?
Answer: With the MCP23017, you can create a variety of projects that require more GPIOs. Common applications include controlling multiple LEDs, reading from several push buttons, or integrating various sensors and devices in a home automation setup. For example, if you're building a smart home system, you can use the MCP23017 to manage several appliances or sensors from a single microcontroller, enhancing the system’s capabilities while keeping the design clean and efficient. -
Question:
Is demo code provided for using the MCP23017?
Answer: Yes, the MCP23017 comes with demo code that can help you quickly get started with using the module. The demo code typically includes examples for initializing the device, setting pin modes, and reading or writing data. This code is usually compatible with popular platforms like Arduino and Raspberry Pi, making it convenient for developers at any skill level. It's a great way to familiarize yourself with the specific functionalities and capabilities of the board before diving deeper into your projects. -
Question:
Can I use the MCP23017 with any microcontroller?
Answer: The MCP23017 is compatible with most microcontrollers that support I2C communication, including popular ones like Raspberry Pi, Arduino, and STM32. This versatility allows enthusiasts and developers to integrate it into a wide range of applications. If you're planning a project that requires more GPIOs, this board is a suitable choice. Just ensure that the I2C pins are properly connected, following the manufacturer’s guidelines for your specific microcontroller. -
Question:
What are the main features of the MCP23017 IO Expander Board?
Answer: The MCP23017 features 16 GPIO pins that can be configured as inputs or outputs, alongside a 16-bit I/O port expander. It also supports address selection for connecting up to eight MCP23017 chips on the same I2C bus, effectively giving you 128 GPIOs. Additionally, it includes built-in pull-up resistors for inputs, which can simplify circuit designs. These features empower you to design intricate systems without exhausting your microcontroller’s GPIO count. -
Question:
How do I wire the MCP23017 to my Raspberry Pi or Arduino?
Answer: To wire the MCP23017 to your Raspberry Pi or Arduino, connect the VCC pin to the power (3.3V or 5V depending on your microcontroller), GND to ground, and SDA and SCL to their respective I2C data lines. Additionally, connect the A0, A1, and A2 pins to ground or VCC to set the I2C address. This wiring setup is straightforward and allows for seamless integration into your projects, enabling you to expand GPIO capabilities efficiently. -
Question:
What is the maximum I2C bus speed supported by the MCP23017?
Answer: The MCP23017 supports I2C bus speeds of up to 1 MHz in fast mode. This high-speed capability means you can transmit and receive data rapidly, which is beneficial for applications requiring fast response times. By utilizing this feature, you can enhance the performance of your projects that involve multiple devices, ensuring smooth operation even under high loads or rapid input changes. -
Question:
Where can I buy the MCP23017 IO Expander Board in Myanmar?
Answer: You can buy the MCP23017 IO Expander Board at Ubuy in Myanmar. Ubuy offers a wide selection of electronic components including this GPIO Expansion Module, making it a convenient option for tech enthusiasts and developers.
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MMK 45260
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Features & Benefits
- Provides 16 additional GPIO pins via I2C interface.
- Compatible with Raspberry Pi, Arduino, and STM32.
- Compact design reduces pin occupation.
- Supports both 3.3V and 5V logic levels.
- Easy I2C address setup with onboard DIP switch.
- Includes demo codes for quick testing and integration.