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Description
Adafruit Feather M4 CAN Express with ATSAME51#4759 One of our favorite Feathers, the Feather M4 Express, gets a glow up here with an upgrade to the SAME51 chipset which has built in CAN bus support! Like its SAMD51 cousin, the ATSAME51J19 comes with a 120MHz Cortex M4 with floating point support and 512KB Flash and 192KB RAM. Your code will zig and zag and zoom, and with a bunch of extra peripherals for support, this will for sure be your favorite new chipset for CAN interfacing projects. At the
#4759
One of our favorite Feathers, the Feather M4 Express, gets a glow-up here with an upgrade to the SAME51 chipset which has built-in CAN bus support! Like its SAMD51 cousin, the ATSAME51J19 comes with a 120MHz Cortex M4 with floating point support and 512KB Flash and 192KB RAM. Your code will zig and zag and zoom, and with a bunch of extra peripherals for support, this will for sure be your favorite new chipset for CAN interfacing projects.
At the end of the board we have placed a CAN transceiver chip as well as a 5V converter to generate 5V power to the transceiver even when running on battery. The two CAN signal lines and ground reference signal are available on a 3-pin 3.5mm terminal block. The chip and booster can be put to sleep for power saving. The built in CAN can read or write packets and has support in both Arduino and CircuitPython.
And best of all, it's a Feather - so you know it will work with all our FeatherWings! What a great way to quickly get up and running. It's even pin-compatible with the original Feather M4.
The most exciting part of the Feather M4 CAN is that while you can use it with the Arduino IDE - and it's bonkers fast when you do, you can use it with CircuitPython as well. When you plug it in, it will show up as a very small disk drive with main.py on it. Edit main.py with your favorite text editor to build your project using Python, the most popular programming language. No installs, IDE or compiler needed, so you can use it on any computer, even ChromeBooks or computers you can't install software on. When you're done, unplug the Feather and your code will go with you.
Here are some of the updates you can look forward to when using Feather M4 CAN:
- Measures 2.0" x 0.9" x 0.28" (50.8mm x 22.8mm x 7mm) without headers soldered in
- Light as a (large?) feather - 5 grams
- ATSAME51 32-bit Cortex M4 core running at 120 MHz, 32-bit, 3.3V logic and power
- Hardware CAN bus support with built-in transceiver, 5V booster and terminal connection.
- Floating point support with Cortex M4 DSP instructions
- 512 KB flash, 192 KB RAM
- 2 MB SPI FLASH chip for storing files and CircuitPython code storage.
- No EEPROM
- 32.768 KHz crystal for clock generation & RTC
- 3.3V regulator with 500mA peak current output
- USB Type C connector for USB native support, comes with USB bootloader and serial port debugging
- Built in crypto engines with AES (256 bit), true RNG, Pubkey controller
- Tons of GPIO! 21 x GPIO pins with following capabilities:
- Dual 1 MSPS 12 bit true analog DAC (A0 and A1) - can be used to play 12-bit stereo audio clips
- Dual 1 MSPS 12 bit ADC (6 analog pins some on ADC1 and some on ADC2)
- 6 x hardware SERCOM - Native hardware SPI, I2C and Serial all available
- 16 x PWM outputs - for servos, LEDs, etc
- I2S input and output
- 8-bit Parallel capture controller (for camera/video in)
- 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 M4 Can Express also comes with a Mini NeoPixel and 2 MB SPI Flash storage. You can use the SPI Flash storage like a very tiny hard drive. When used in CircuitPython, the 2 MB flash acts as storage for all your scripts, libraries and files. When used in Arduino, you can read/write files to it, like a little datalogger or SD card, and then with our helper program, access the files over USB.
Easy reprogramming: the Feather M4 CAN comes pre-loaded with the UF2 bootloader, which looks like a USB storage key. Simply drag firmware on to program, no special tools or drivers needed! It can be used to load up CircuitPython or Arduino IDE (it is bossa-compatible)
Comes fully assembled and tested, with the UF2 USB bootloader. We also toss in some headers 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
- Product Dimensions: 52.2mm x 22.8mm x 7.2mm / 2.1" x 0.9" x 0.3"
- Product Weight: 5.5g / 0.2oz
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4.2 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 4
super comfortable, not waking up as often as before
Color: Grey, Size: Queen
decided to try these after seeing the tons of good reviews and since they were on sale. also one of my favorite colors in general which is a great neutral shade for bedding, not too bright and not too dull. I ordered a queen thinking my mattress might have been a queen as I previously bought some mainstays walmart sheets. with that brand the fitted sheet in full was way too small. turns out my mattress is in fact a full it is just that mainstays is not good quality or sized right, so this brand the queen is a bit big for my mattress but not too big of a deal. i am not looking for a perfect look, just covering the mattress is the most important.
anyway since getting these sheets in the mail and giving them a run through the wash and dry before putting them on my bed my sleep quality has improved. the sheets are not too hot, are soft and I actually do not wake up as often as before. the sheets are not too thin like other brands and are not thick like flannel either. they are a nice in between. I wonder if they will help keep me cool in the summer, probably since they are actually breathable. I would definitely reccommend giving these sheets a try, worth the money and a good deal on sale. better quality that other store bought sheets.
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Great Sheets for price. Color is great.
Color: Grey, Size: Twin
These sheets were great cost for the product. They are soft and comfortable seeming as if it will be nice for winter and summer nights. Fit perfectly on a twin bed even givning a little extra room to fit mattress and box spring if mattress is not to large. The thread count for comfort and thickness is great. They seem great for the price. I love the color is completely spot on. very elegant
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Great bedding set!
Color: Grey, Size: Queen
Great sheet set and a a super price! Deep pockets make sure your mattress stays cool and the material in soft and comfortable. Cool to the touch as well. A great set at a great price!
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Reviewed in the United States on May 12, 2026
★★★★★ 5
GREAT SHEETS, COLOR MATCHED PERFECT FROM THE PIC
Color: Ice Blue, Size: Queen
I WAS IMPRESSED, THESE ARE NOT SEE THROUGH THIN SHEETS, THEY HAVE SOME SUSTAINS TO THEM. THEY WASHED WELL AND ARE NOT ALL WRINKLED, THEY ARE SOFT AND THE COLOR WAS EXACT FROM THE PIC.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Amazing for the low price!
Color: Grey, Size: Queen
We bought a newer camper that the previous owners put a regular, deep pocket mattress. After trying to fit our regular ones on and popping right off, I went right to Amazon and searched "deep pocket queen sheets". The first one came up with a very low price, I ordered them. They came in in about a day and a half. They were a great color, perfect fit and so soft. Something I would've paid so much more for! They are fabulous!!!
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Reviewed in the United States on May 26, 2026