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Item #:
23672597
SparkFun Pro Micro - 3.3V/8MHz
Item #:
23672597
€ 23
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Imported from USA store
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Order now and get it around Wednesday, August 19
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Sparkfun's smallest Arduino Compatible Board yet! On-Board micro-USB connector for programming. Rx and Tx Hardware Serial Connections.
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What Stands Out
Compact Design
The SparkFun Pro Micro is designed for space-saving projects, making it ideal for small devices and wearable technology while maintaining high functionality.
Versatile Voltage
Operating at 3.3V, this board is perfect for low-power applications, ensuring compatibility with various sensors and components in electronics projects.
Easy Programming
With its USB interface, programming the SparkFun Pro Micro becomes straightforward, suitable for beginners and experienced users who need quick prototyping solutions.
Product Details
| Connectivity Technology | USB |
| Processor Count | 1 |
| Total Usb Ports | 1 |
| Brand | SparkFun |
| UPC | 717520028055 |
| Model Number | LYSB01B26IJAS-ELECTRNCS |
| Mfr Part Number | LYSB01B26IJAS-CMPTRACCS |
| Manufacturer | Sparkfun |
| Total USB Ports | 1 |
| Item Weight | 0.02 lbs (10 grams) |
Who Should Buy?
-
Microcontroller Hobbyists
Ideal for users experimenting with small-scale electronics projects and microcontroller programming.
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Arduino Users
Perfect for Arduino enthusiasts looking to create compact projects with Arduino programming style.
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Wearable Tech Developers
Great for developers creating wearable technology, thanks to its small form factor and low power consumption.
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High-Performance Projects
Not suitable for demanding applications requiring higher clock speeds or more processing power.
Product Description
SparkFun Pro Micro - 3.3V/8MHz
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Product Buying Guide
The SparkFun Pro Micro - 3.3V8MHz is a compact and versatile Arduino-compatible microcontroller. With its ATmega32U4 chip and built-in USB connectivity, it offers a range of features for all your DIY projects. This buying guide will provide you with the product specifications, key features, usage scenarios, a comparison with competitors, user reviews, price analysis, and buying considerations to help you make an informed decision.
Product Specifications
- Microcontroller: ATMega 32U4
- Operating Voltage: 3.3V
- Clock Speed: 8MHz
- Supported IDE: Arduino IDE v1.0.1
- ADC Pins: 4 x 10-bit
- Digital I/O Pins: 12
- PWM Pins: 5
- Serial Connections: Rx and Tx
Key Features
- Built-in USB connectivity
- Compact size
- Supports Arduino IDE
- 4 channels of 10-bit ADC
- 5 PWM pins for analog output
- 12 Digital I/O pins
- Hardware serial connections for communication
Usage Scenarios
- Electronics prototyping and experimentation
- Robotics projects
- Sensor integration
- Wearable technology development
- Internet of Things (IoT) devices
Usage Scenarios
- Arduino Pro Mini
- Adafruit Feather 32u4
Some User Review
- The Pro Micro is perfect for my small-scale projects. It's easy to program and has all the features I need in a compact size.
- I love the built-in USB connectivity on the Pro Micro. It saves me from having to use external USB interfaces for programming.
- The 3.3V version of the Pro Micro is great for working with 3.3V sensors. The voltage regulator is a helpful feature.
- I compared the Pro Micro with other similar boards, and the Pro Micro offers the best combination of features, size, and price.
Competitors
- The price of the Pro Micro is competitive compared to similar Arduino-compatible microcontrollers.
- Considering its features and reliability, the Pro Micro provides excellent value for its price.
Buying Considerations
- Make sure to check if the Pro Micro meets your specific project requirements in terms of voltage, clock speed, and pin compatibility.
- Consider the size of the Pro Micro and ensure it will fit into your project enclosure or breadboard.
- If you require built-in USB connectivity and a compact design, the Pro Micro is a great choice.
- Take into account the ease of use with 3.3V sensors if you opt for the 3.3V version of the Pro Micro.
- Compare prices from reputable retailers to get the best deal on the Pro Micro.
Conclusion
The SparkFun Pro Micro - 3.3V8MHz is a feature-rich and compact Arduino-compatible microcontroller. With its built-in USB connectivity, 10-bit ADC, PWM pins, and hardware serial connections, it is suitable for a wide range of projects. Its competitive pricing and value for money make it a top choice for electronics enthusiasts and DIY hobbyists.
View LessThe SparkFun Pro Micro - 3.3V8MHz is a compact and versatile Arduino-compatible microcontroller. With its ATmega32U4 chip and built-in USB connectivity, it offers a range of features for all your DIY projects. This buying guide will provide you with the product specifications, key features, usage scenarios, a comparison with competitors, user reviews, price analysis, and buying considerations to help you make an informed decision. Continue Reading
Customer Questions & Answers
-
Question:
What is the maximum voltage that the board can accept?
Answer: The board can accept voltage up to 12VDC. -
Question:
What is the supported Arduino IDE version?
Answer: The board is supported under Arduino IDE v1.0.1. -
Question:
Is the board compatible with common 3.3V sensors?
Answer: Yes, the lower system voltage of 3.3V has advantages, like ease of use with many common 3.3V sensors.
SparkFun Single Board Computers LYSB01B26IJAS-ELECTRNCS Editorial Review
The SparkFun Pro Micro - 3.3V8MHz is an Arduino board that operates on a 3.3 Volt power supply. It is easy to install the Arduino Pro Micro board driver for Windows 7 using the documentation available on the Sparkfun website, and the USB connection works well with the Arduino IDE version 1.8.4. However, some users have faced issues with the micro USB connector being flaky and unstable, which prevented the USB output from working. The product is cheap but needs to be handled with care, and was not shipped in an ESD shielded bag which may shorten the product life. Some users did not have a good experience with this product and had difficulty troubleshooting configuration issues. Overall, the Sparkfun Pro Micro - 3.3V8MHz is a good quality product that has received mixed reviews.
Customer Reviews & Ratings
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Pros
- Easy to install the Arduino Pro Micro board driver for Windows 7 using the documentation available on the Sparkfun website
- Cheap and good quality
Cons
- Flaky and unstable micro USB connector
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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€ 23
Order now and get it around Wednesday, August 19
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Features & Benefits
- Smallest Arduino Compatible Board
- On-Board micro-USB connector for programming
- Rx and Tx Hardware Serial Connections
- ATMega 32U4 running at 3.3V/8MHz
- 4 x 10-bit ADC pins
- 12 x Digital I/Os (5 are PWM capable)
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