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Teensy 4.1 USB Microcontroller Development Board (No Pins)

4.8 4.8 out of 5 stars 174 ratings
$31.97
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Purchase options and add-ons

Brand PJRC
Memory Storage Capacity 8 MB
Model Name 4.1 No Pins
CPU Manufacturer ARM
Connectivity Technology USB, Ethernet
Human Interface Input Buttons
Wireless Communication Standard 2.4 GHz Radio Frequency
Hardware Interface USB, Ethernet, Secure Digital Card
Item dimensions L x W x H 0.39 x 9.06 x 5.91 inches
Item Weight 10 Grams
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Frequently bought together

Teensy 4.1 USB Microcontroller Development Board (No Pins)
$31.97
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Sold by 3DMakerWorld, Inc. and ships from Amazon Fulfillment.
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Ethernet Kit for Teensy 4.1
$7.43
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Terminal Block Breakout Board Module for Teensy 4.1, Screw Mount Version
$23.90
Sold by Electronics-Salon. and ships from Amazon Fulfillment.
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Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
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Teensy

Teensy 4.1 USB Microcontroller Development Board (No Pins)

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Product Description

Teensy 4.1 is the latest Teensy microcontroller development board from PJRC. It features an ARM Cortex-M7 IMXRT1062 processor at 600 MHz. The actual size is 2.4 by 0.7 inch, the same form-factor as Teensy 3.6. Teensy 4.1 uses the same processor as Teensy 4.0, but provides greater I/O capability, including an ethernet PHY, SD card socket, and USB host port. Teensy 4.1 also comes with 4X larger flash memory, and has 2 locations to optionally add more memory. Teensy 4.1 & 4.0 use the same IMXRT1062, so most technical specifications are the same.

Customer reviews

4.8 out of 5 stars
4.8 out of 5
174 global ratings

Customers say

Customers like the speed, performance, ease of use, and value of the computer. For example, they mention it's very fast, powerful, and capable. That said, they appreciate the ease of development and value for money.

AI-generated from the text of customer reviews

8 customers mention8 positive0 negative

Customers are satisfied with the speed of the computer. They mention that it is very fast, has a super-fast Arduino-compatible processor board, and has nice CPU performance. Some appreciate the fast shipping and the real-time clock.

"fast shipping, great condition, endless possibilities!" Read more

"This is the first time that I used a Teensy - and I am very impressed with the speed...." Read more

"...supports fixed Ethernet connection, SD card, and a Real Time Clock with almost no effort...." Read more

"For the price it should have included the pins but it is a very fast, powerful, capable and small microcontroller." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the performance of the microcontroller. They mention that it works great, is fast, powerful, and capable. Some say that it offers a powerful alternative to the Raspberry PI.

"...Great value for money and offers a powerful alternative to raspberry PI with arguably better hardware support when running without linux installed." Read more

"...Works flawless, without any hassle firmware installation went easy. Now learning to "program" some music" Read more

"For the price it should have included the pins but it is a very fast, powerful, capable and small microcontroller." Read more

"Project worked as I expected." Read more

4 customers mention4 positive0 negative

Customers find the computer easy to use. They say it's fairly easy to get going either in Arduino IDE or Circuitpython, and easy to program if you are familiar with Arduino ide. They also say the capability and ease of development are unmatched.

"...This unit is quick and easy to program if you are familiar with Arduino IDE..." Read more

"...Works flawless, without any hassle firmware installation went easy. Now learning to "program" some music" Read more

"Great well priced microcontroller. In terms of capability and ease of development, I think it's unmatched. CPU performance is also nice" Read more

"...All fairly easy to get going either in Arduino IDE or Circuitpython." Read more

4 customers mention4 positive0 negative

Customers appreciate the value of the computer. They mention that it offers a powerful alternative to raspberry PI, and that it has a cheap Ethernet header available.

"...Great value for money and offers a powerful alternative to raspberry PI with arguably better hardware support when running without linux installed." Read more

"...It also has a cheap $8 Ethernet header available, so for $40, you are getting one of the most powerful Arduino 32 bit Arduino compatible boards out..." Read more

"Great well priced microcontroller. In terms of capability and ease of development, I think it's unmatched. CPU performance is also nice" Read more

"Great board for the money can do so much and is very fast." Read more

Top reviews from the United States

Jen615
5.0 out of 5 stars works great
Reviewed in the United States on January 18, 2024
Verified Purchase
fast shipping, great condition, endless possibilities!
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M. Vanstone
5.0 out of 5 stars Great MIPS for the buck - very impressed
Reviewed in the United States on July 20, 2020
Verified Purchase
This is the first time that I used a Teensy - and I am very impressed with the speed. My application was an embedded control of an 320x240 LCD screen over SPI and I needed a fast update rate. I was able to update a full color screen image in about 50mS without optimization.

This unit is quick and easy to program if you are familiar with Arduino IDE (make sure to follow the install instructions carefully as only specific IDE versions are supported)

Great value for money and offers a powerful alternative to raspberry PI with arguably better hardware support when running without linux installed.
4 people found this helpful
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Jerry B
5.0 out of 5 stars It's the most amazing thing since 600Mhz bread. Paul is awesome.
Reviewed in the United States on June 19, 2021
Verified Purchase
Loaded with the power of a Raspberry Pi with the finite control of an Arduino. If you want ultra control on your pins, timing, clock-cycles, robust memory, battery-friendly, etc, this board will deliver. It also has a cheap $8 Ethernet header available, so for $40, you are getting one of the most powerful Arduino 32 bit Arduino compatible boards out there that supports fixed Ethernet connection, SD card, and a Real Time Clock with almost no effort. The only downside is that there is not an easy option for remote firmware updates if you want to deploy this for IoT applications.
5 people found this helpful
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Matt
5.0 out of 5 stars Amazing!
Reviewed in the United States on March 25, 2024
Verified Purchase
Amazing how many possibilities this tiny computer opens!
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Roman G.
5.0 out of 5 stars Bought it to try M8 tracker. Works flawless
Reviewed in the United States on March 24, 2022
Verified Purchase
I bought it to try DIY M8 Tracker in order to understand if i need to invest 550 usd into Dirtywave. Works flawless, without any hassle firmware installation went easy. Now learning to "program" some music
7 people found this helpful
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DBF
5.0 out of 5 stars Super-fast Arduino-compatible processor board
Reviewed in the United States on June 13, 2020
Verified Purchase
I needed a fast Arduino-compatible processor for an iterative solver that involved matrix manipulations and complex numbers. An Arduino Mega ran the program in 169 seconds. A Seeeduino XIAO (M0, 32-bit, 48 MHz) took 89 seconds. A Teensy 3.5 (M4, 32-bit, 120 MHz) took 14 seconds. I thought that was pretty good until the Teensy 4.1 (M7, 32-bit, 600 MHz) completed it in 0.45 seconds!

But it seems a little touchy; I had to use a very short USB cable to get it to interact consistently with the serial monitor.

If you have a need for speed, the Teensy 4.1 seems to be a winner!
26 people found this helpful
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Christopher W.
4.0 out of 5 stars Fast with a lot of IO
Reviewed in the United States on September 11, 2020
Verified Purchase
Fast controller that needs a lot of soldering to be useful. Pin max amperage is a bit low too. The mentioned Ethernet port is usable with Beta software from the forums, though you will need to add several soldered on parts to make it work. Programming is generally through a modified form of the Arduino software.
2 people found this helpful
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Gene
5.0 out of 5 stars This thing is awesome
Reviewed in the United States on December 13, 2021
Verified Purchase
For the price it should have included the pins but it is a very fast, powerful, capable and small microcontroller.
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