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Adafruit Trinket - Mini Microcontroller - 5V Logic

Adafruit Trinket - Mini Microcontroller - 5V Logic
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Adafruit Trinket - Mini Microcontroller - 5V LogicAdafruit Trinket - Mini Microcontroller - 5V LogicAdafruit Trinket - Mini Microcontroller - 5V Logic
Adafruit Trinket - Mini Microcontroller - 5V LogicAdafruit Trinket - Mini Microcontroller - 5V Logic
Our Price:  £7.00(Inc. 20% VAT)(£5.83 Exc. VAT)Earn 7 Loyalty Points
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SKU:  PPADA1501
Part Number:  1501
Brand:  AdaFruit

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Available Now:  

10 in stock, immediate despatch
Need more than we have? : Up to 100 Available within 10-15 Working days
  (8 Reviews)

As of October 9th, 2015 the 5V Trinket comes with a micro-USB connector instead of a mini-USB connector!

Trinket may be small, but do not be fooled by its size! It's a tiny microcontroller board, built around the Atmel ATtiny85, a little chip with a lot of power. We wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation. Perfect for when you don't want to give up your expensive dev-board and you aren't willing to take apart the project you worked so hard to design. It's our lowest-cost arduino-IDE programmable board!

The Attiny85 is a fun processor because despite being so small, it has 8K of flash, and 5 I/O pins, including analog inputs and PWM 'analog' outputs. We designed a USB bootloader so you can plug it into any computer and reprogram it over a USB port just like an Arduino. In fact we even made some simple modifications to the Arduino IDE so that it works like a mini-Arduino board. You can't stack a big shield on it but for many small & simple projects the Trinket will be your go-to platform.

This is the 5V Trinket. There are two versions of the Trinket. One is 3V and one is 5V. Both work the same, but have different operating logic voltages. Use the 3V one to interface with sensors and devices that need 3V logic, or when you want to power it off of a LiPo battery. The 3V version should only run at 8 MHz. Use the 5V one for sensors and components that can use or require 5V logic. The 5V version can run at 8 MHz or at 16MHz by setting the software-set clock frequency.

Even though you can program Trinket using the Arduino IDE, it's not a fully 100% Arduino-compatible. There are some things you trade off for such a small and low cost microcontroller!

  • Trinket does not have a Serial port connection for debugging so the serial port monitor will not be able to send/receive data
  • Some computers' USB v3 ports don't recognize the Trinket's bootloader. Simply use a USB v2 port or a USB hub in between

Here are some useful specifications!

  • ATtiny85 on-board, 8K of flash, 512 byte of SRAM, 512 bytes of EEPROM
  • Internal oscillator runs at 8MHz, but can be doubled in software for 16MHz
  • USB bootloader with a nice LED indicator looks just like a USBtinyISP so you can program it with AVRdude (with a simple config modification) and/or the Arduino IDE (with a few simple config modifications)
  • Micro-USB jack for power and/or USB uploading, you can put it in a box or tape it up and use any USB cable for when you want to reprogram.
  • We really worked hard on the bootloader process to make it rugged and foolproof, this board wont up and die on you in the middle of a project!
  • ~5.25K bytes available for use (2.75K taken for the bootloader)
  • Available in both 3V and 5V flavors
  • On-board 3.3V or 5.0V power regulator with 150mA output capability and ultra-low dropout. Up to 16V input, reverse-polarity protection, thermal and current-limit protection.
  • Power with either USB or external output (such as a battery) - it'll automatically switch over
  • On-board green power LED and red pin #1 LED
  • Reset button for entering the bootloader or restarting the program. No need to unplug/replug the board every time you want to reset or update!
  • 5 GPIO - 2 shared with the USB interface. The 3 independent IO pins have 1 analog input and 2 PWM output as well. The 2 shared IO pins have 2 more analog inputs and one more PWM output.
  • Hardware I2C / SPI capability for breakout & sensor interfacing.
  • Works with many basic Arduino libraries including Adafruit Neopixel!
  • Mounting holes! Yeah!
  • Really really small

For a lot more details, including a tour of the Trinket, pinout details and Arduino IDE examples, check out the Introducing Trinket tutorial

 

Technical Details

 


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Customer Reviews
Average Rating (8 Reviews):  
Write a Review and share your opinions!

Rating:  
Excellent focused microcontroller - working on Win7-64bit
Friday, 12 December 2014  |  Steve

I had a signal conditioning problem that required a very large (multiple mF) capacitor to filter, and was still flaky. Replaced the RC filter with a Trinket - it was cheaper than the capacitor, and physically smaller.I was up and running reasonably qui

 

2 of 2 people found this review helpful.


Rating:  
Brilliant for small projects - works great with Codebender
Wednesday, 3 September 2014  |  Mike

The Trinkets, both 3.3V and 5V, are wonderful for small projects that don't required lots of input and output connections.They are the cheapest Arduino you can get and are very easy to use.Although Adafruit have done their usual great job in producing a

 

2 of 2 people found this review helpful.


Rating:  
Limited but useful
Friday, 25 July 2014  |  Bryan

Had no problems installing in win7-64 after installing recommended IDE, plus updates and drivers. The Trinket shows in Device Manager, but does not require to show a com port in the IDE/tools/Serial port.The Trinket can throw up some confusion in firs

 

2 of 2 people found this review helpful.


Rating:  
driver does not work on Windows 7, 64bit
Wednesday, 14 May 2014  |  Dr.

The driver of the Trinket does not work in Windows 7, 64bit. The time span of being the microcontroller in boot mode is not sufficient enough to upload the file.

 

2 of 2 people found this review helpful.


Rating:  
Limited uses but good at what it does
Tuesday, 28 January 2014  |  Neil

order ID is #47646Perfect for driving a sensor and outputting the data to an LCD character or 7 segment display, and the price makes them suitable for permanent use in projects.

 

2 of 2 people found this review helpful.


Rating:  
Great little Arduino compatible microcontroller!
Friday, 17 January 2014  |  Sam

I used one of these in a little application to drive a servo based on the input from a PIR sensor.The information on the adafruit website is fairly comprehensive so getting the device up and running was pretty straightforward.It did take a little whil

 

2 of 2 people found this review helpful.


Rating:  
Small, low cost microcontroller, needs configuration
Saturday, 11 January 2014  |  Jonathan

With its small size and low cost, I thought this Adafruit Trinket would be a good option to deploy permanently in projects rather than my larger, higher cost Arduino Uno.When it arrived, I was surprised how small the Trinket was - about twice the size o

 

2 of 2 people found this review helpful.


Rating:  
Very useful, tiny microcontroller
Monday, 9 December 2013  |  John

The Adafruit Trinket has a very good combination of size, price and I/O ports. I've used a number of them on different projects recently (such as a bicycle light that flashes BIKE in Morse Code) and spooky lighting effects for Hallowe'en and emulating a U

 

2 of 2 people found this review helpful.

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