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Description
Arduino Pro Micro - 5V-16MHzsku: DEV 10998 Here at SparkFun, we refuse to leave 'good enough' alone. That's why we're adding to our line up of Arduino compatible microcontrollers once more! The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on board and do away with bulky external USB interface. This tiny little board does all of the neat o Arduino tricks that you're familiar with: 4
sku: DEV-10998
Here at SparkFun, we refuse to leave 'good enough' alone. That's why we're adding to our line-up of Arduino-compatible microcontrollers once more! The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface.
This tiny little board does all of the neat-o Arduino tricks that you're familiar with: 4 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx. Running at 16MHz and 5V, this board will remind you a lot of your other favorite Arduino-compatible boards but this little guy can go just about anywhere.
Note: There are two minor errors on this board which shouldn't effect your overall project to any great degree but are helpful to know about. Digital Pin 14 is mis-labeled as Pin 17 on the silkscreen. Also, the Tx and Rx LEDs are pulled to ground instead of VCC.
Note: This board uses what's known as the "diskloader" bootloader, this is presumably the same bootloader used by the Arduino Leonardo. This bootloader is still in its infancy so expect some glitchiness here and there. Also, because it works over HID you will need to install some drivers so that your computer will recognize it. A "readme" file in the driver pack below explains how to do this.
Features
- ATMega 32U4 running at 5V/16MHz
- Supported under Arduino IDE v1.0 (un-comment "leonardo" lines in boards.txt)
- On-Board micro-USB connector for programming
- 4 x 10-bit ADC pins
- 12 x Digital I/Os (5 are PWM capable)
- Rx and Tx Hardware Serial Connections
- Our Smallest Arduino-Compatible Board Yet!
Documents
- Schematic
- Eagle Files
- Getting Started Tutorial
- Datasheet (ATMega 32U4)
- Pro Micro Drivers
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4.0 ★★★★★
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★★★★★ 5
Map
Format: Paperback
Use it when I needed it. Stays in car, you just never know
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Reviewed in the United States on October 27, 2025
★★★★★ 5
Perfect for camping and adventures.
Format: Paperback
I absolutely love these books.
They tell you everything you need to know for camping and to go on adventures.
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Reviewed in the United States on October 5, 2025
★★★★★ 5
The best
Format: Paperback
For my use these are the best travel atlas out there. The recreation map section has details about camp sites,fishing and places of interest. The road map has great detail on smaller roads and info on land ownership, great for boondock camping. If you hunt, fish, camp this is the one you want.
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Reviewed in the United States on June 12, 2023
★★★★★ 5
Very very informative
Format: Paperback
It tells you spots in towns history and very cool attractions. Secret gems are uncovered in its pages secrets some locals don’t even know about!
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Reviewed in the United States on September 19, 2024
★★★★★ 5
A data engineering journey from basic to advance topics
Format: Kindle
Is the third time that I read this book. One of the most valuable aspects is the fact that depending of your data engineering mature, you'll always find a new aspect or ideas to put in practice.
Hope the second version come soon!
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Reviewed in the United States on June 26, 2022
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