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Description
Adafruit Feather M0 Basic Proto - ATSAMD21 Cortex M0PID: 2772 Feather is the new development board from Adafruit, and like it's namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores. This is the Feather M0 Basic Proto, it has a bunch of prototyping space built right in. We have other boards in the Feather family, check'em out here! At the Feather M0's heart is an ATSAMD21G18 ARM Cortex M0 processor, clocked at 48 MHz and at 3. 3V
PID: 2772
Feather is the new development board from Adafruit, and like it's namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores.
This is the Feather M0 Basic Proto, it has a bunch of prototyping space built right in. We have other boards in the Feather family, check'em out here!
At the Feather M0's heart is an ATSAMD21G18 ARM Cortex M0 processor, clocked at 48 MHz and at 3.3V logic, the same one used in the new Arduino Zero. This chip has a whopping 256K of FLASH (8x more than the Atmega328 or 32u4) and 32K of RAM (16x as much)! This chip comes with built in USB so it has USB-to-Serial program & debug capability built in with no need for an FTDI-like chip.
To make it easy to use for portable projects, we added a connector for any of our 3.7V Lithium polymer batteries and built in battery charging. You don't need a battery, it will run just fine straight from the micro USB connector. But, if you do have a battery, you can take it on the go, then plug in the USB to recharge. The Feather will automatically switch over to USB power when its available. We also tied the battery thru a divider to an analog pin, so you can measure and monitor the battery voltage to detect when you need a recharge.
Here's some handy specs!
- Measures 2.0" x 0.9" x 0.28" (51mm x 23mm x 8mm) without headers soldered in
- Light as a (large?) feather - 4.6 grams
- ATSAMD21G18 @ 48MHz with 3.3V logic/power
- 256KB of FLASH + 32KB of RAM
- 32.768 KHz crystal for clock generation & RTC
- 3.3V regulator with 500mA peak current output
- USB native support, comes with USB bootloader and serial port debugging
- You also get tons of pins - 20 GPIO pins
- Hardware Serial, hardware I2C, hardware SPI support
- PWM outputs on all pins
- 6 x 12-bit analog inputs
- 1 x 10-bit analog ouput (DAC)
- Built in 100mA lipoly charger with charging status indicator LED
- Pin #13 red LED for general purpose blinking
- Power/enable pin
- 4 mounting holes
- Reset button
The Feather M0 Basic Proto has some extra space left over, so we give you a tiny little prototyping area. If you just need to attach a button or sensor, you may be able to skip out on a breadboard and wire it directly on there.
Comes fully assembled and tested, with a USB bootloader that lets you quickly use it with the Arduino IDE. We also toss in some header so you can solder it in and plug into a solderless breadboard. Lipoly battery and USB cable not included (but we do have lots of options in the shop if you'd like!)
Features
- 51mm x 23mm x 8mm / 2.0" x 0.9" x 0.28"
- Weight: 4.6g
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.3 ★★★★★
Based on 18 reviews
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Product Reviews
★★★★★ 5
Overpriced but it works.
Size: 1.3 Fl Oz (Pack of 1)
I hate that I love this product. It's stupid expensive. But it's great for broken/damaged/recovering skin. I've used it post microneedling and it is the only thing that soothes, hydrates, and doesn't sting raw, red skin. Great for rashes/hives and allergic reactions too. Luckily a thin layer is often enough to do the trick. so it lasts a long time I wouldn't use for everyday moisture, but when your skin is angry, this stuff works. (Overpriced? Yes. Witchcraft? Maybe. Does it work? Yep.)
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Works wonder
Size: 1.3 Fl Oz (Pack of 1)
Amazing product. The scars from my daughter acne are mostly gone after 1 month. We will purchase again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
★★★★★ 5
Ultimate Relief for Dry Skin!
Size: 20.3 Fl Oz (Pack of 3)
I recently purchased the Vaseline Men's Healing Moisture Hand & Body Lotion for my husband, and it has quickly become a household favorite! If you're on the hunt for a fast-absorbing, effective solution for dry or cracked skin, look no further.
First and foremost, the speed at which this lotion absorbs into the skin is impressive. No greasy residue, just instant relief. My husband, who is usually hesitant about using lotions, loves how this one doesn't leave a sticky or oily feeling. It's a game-changer for him, and I've noticed a significant improvement in the moisture levels of his skin.
The healing properties are remarkable. His hands, which are prone to dryness and cracking, have become noticeably softer and smoother since using this lotion. The formula is gentle yet powerful, making it an ideal solution for daily use without causing any irritation.
The subtle, masculine fragrance is another plus. It's not overpowering but leaves a fresh and clean scent that lingers just enough. The pump dispenser is practical and ensures that the lotion is dispensed in the right quantity, preventing unnecessary waste.
The size of the bottle is generous, offering great value for the price. With daily use, the lotion has lasted longer than expected, proving that a little goes a long way. It has become a staple in my husband's grooming routine, and I can confidently say that his skin has never looked or felt better.
In conclusion, Vaseline Men's Healing Moisture Hand & Body Lotion is a five-star product that delivers on its promises. If you're searching for a reliable, fast-absorbing lotion for dry or cracked skin, this is the one. My husband is a satisfied customer, and we'll definitely be repurchasing in the future.
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Reviewed in the United States on December 31, 2023
★★★★★ 5
Works great, smells good, and does not leave you feeling slimy or greasy.
Size: 20.3 Fl Oz (Pack of 3)
This stuff is the best for men who do not like feeling greasy when they use lotion. It works good for healing and preventing cracking and drying of skin, but it may have to be applied multiple times a day for people with very dry skin.
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Great product at a great price
Size: 20.3 Fl Oz (Pack of 3)
Great price for a product that I have used and liked for years. Lotion dries quickly and has nice masculine scent. In addition to moisturizing my hands, I also use it for aftershave lotion on my face.
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Reviewed in the United States on January 30, 2026
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