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Description
ARDUINO A000053 Development Board, Arduino Micro, ATmega32U4 MCU, 20 3.3V I/O, 12 Analogue Inputs, ISCP HeaderThe A000053 is a Arduino Micro development board based on the ATmega32u4 microcontroller. The ATmega32u4 is a 8bit AVR RISC based microcontroller featuring 32KB flash memory, 2. 5KB SRAM, 1KB EEPROM, USB 2. 0 full speed low speed device, 10bit A to D converter and JTAG interface for on chip debug. The board contains everything needed to support the microcontroller, simply connect it to a computer with a micro USB cable to get started. It has a form
The A000053 is a Arduino Micro development board based on the ATmega32u4 microcontroller. The ATmega32u4 is a 8bit AVR RISC based microcontroller featuring 32KB flash memory, 2.5KB SRAM, 1KB EEPROM, USB 2.0 full speed/low speed device, 10bit A to D converter and JTAG interface for on chip debug. The board contains everything needed to support the microcontroller, simply connect it to a computer with a micro USB cable to get started. It has a form factor that enables it to be easily placed on a breadboard. The Micro is similar to the Arduino Leonardo in that the ATmega32u4 has built in USB communication, eliminating the need for a secondary processor. This allows the Micro to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial/COM port. It also has other implications for the behaviour of the board. The Arduino Micro can be powered via the micro USB connection or with an external power supply. The power source is selected automatically.
- 16MHz crystal oscillator
- ICSP header
- Reset button
- Micro USB connection
- 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs)
- Input voltage (recommended) range from 7V to 12V
- Input Voltage (limit) range from 6V to 20V
- 32KB flash memory of which 4KB used by bootloader
- 2.5KB SRAM
- 1KB EEPROM
Applications
Embedded Design & Development, Industrial, Automation & Process Control, Sensing & Instrumentation, Metering, Consumer Electronics
Warnings
The recommended range is 7 to 12 volts, if using more than 12V the voltage regulator may overheat and damage the board.
Product details
| Kit Contents | Dev Board for ATmega32U4 MCU |
| Silicon Core Number | ATmega32U4 |
| Core Architecture | AVR |
| Silicon Family Name | ATmega |
| Product Range | - |
| Core Sub-Architecture | megaAVR |
| Silicon Manufacturer | Atmel |
Other details
| Brand | ARDUINO |
| Part Number | A000053 |
| Quantity | Each |
| Technical Data Sheet EN |
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.
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Exchange/Return Notes
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4.3 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 4
Perfect Keto-Friendly Gum, Clean Ingredients & Great Flavor!
Flavor Name: Spearmint, Size: 55 Count (Pack of 1), Flavor Name: Spearmint, Size: 55 Count (Pack of 1)
I’ve tried so many sugar-free gums, and this is by far the best option for anyone following a keto or strict carnivore lifestyle. It’s aspartame-free, has clean ingredients, and doesn’t leave that artificial aftertaste that most gums have. The spearmint flavor is fresh and long-lasting, and I love that it helps satisfy cravings without adding sugar or unnecessary carbs.
The texture stays soft longer than other brands, and the resealable bag is super convenient for keeping in the car, gym bag, or at work. If you’re looking for a healthier gum that fits perfectly into a low-carb, keto, or carnivore-focused routine, this is definitely the one to buy. Four stars only because the flavor only lasts about a minute.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Good alternative to traditional gums- no aspartame no artificial coloring.
Flavor Name: Spearmint, Size: 55 Count (Pack of 1)
Love this gum, no aspartame, no artificial coloring and good taste, you get used to chewing it for a long time, the taste goes away little faster than traditional gums but I don't care
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great Xylitol Chewing Gum!
Flavor Name: Spearmint, Size: 55 Count (Pack of 3), Flavor Name: Spearmint, Size: 55 Count (Pack of 3)
This review is for PUR Gum | Aspartame Free Chewing Gum | 100% Xylitol | Natural Spearmint Flavored Gum, 55 Pieces (Pack of 3). I got 2 of the 3-pack at the time because it was cheaper to do so than to get a 6-pack. Of course, the next day the 6-pack was cheaper lol. Anyway, this is great xylitol gum and not overly expensive like Zellie’s. I take 2 (which is one serving meaning 2g of xylitol) after “most” meals because it’s supposed to be good for my oral health. I chew one piece at a time for a couple minutes to prolong the sweet flavor instead of popping both into my mouth together. I like chewing these because they don’t harden up like some gums do. They stay soft throughout and I often forget and chew them for 15-20 minutes at a time. Anyway, I did the math and compared the PUR gum to other 100% xylitol gums out there and this one was a clear winner to me for the same benefits. I would totally recommend this gum and I like that it’s aspartame free! I’d give it a 5.0/5.0 - 03/20/2026.
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Reviewed in the United States on March 20, 2026
★★★★★ 3
Great taste but cannot use
Flavor Name: Spearmint, Size: 55 Count (Pack of 1)
First time trying for dental care. Really enjoy the taste only drawback taste doesn’t last long. However, it’s better than other sugar substitutes which my stomach does not like.
Glad I signed up for the three pack sub. Great product! Recommend.
May 16, 2026 Update: Unfortunately I cannot use this product after the initial trial every time I chew on these i experience stomach issues so the three pack I purchased will need to find someone that can use them or throw out.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Powerful lasting peppermint flavor & the xylitol fights plaque!
Flavor Name: Spearmint, Size: 55 Count (Pack of 6)
The gum has a powerful peppermint taste – very refreshing. The flavor lasts a long time. The main reason that I bought this gum is because it has 100% xylitol. Xylitol helps fight plaque buildup. I have only had the product one day, so I can't say that it works, but I read many reports before I bought the gum that xylitol is excellent for fighting plaque buildup. It also has no sugar. It's vegan and it has only five calories per two pieces. I have so far only chewed one piece at a time. One piece seems plenty for me. I've read that people need from six to ten grams of xylitol per day to effectively fight plaque. So, this gum needs to be chewed accordingly. Many people chew after every time they eat. I am happy with this purchase.
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Reviewed in the United States on May 12, 2026
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