Mini-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.USB boot-loader 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).ATtiny85 on-board, 8K of flash, 512 byte of SRAM, 512 bytes of EEPROM.You can't stack a big shield on it but for many small & simple projects the Trinket will be your go-to platform. In fact they even made some simple modifications to the Arduino IDE so that it works like a mini-Arduino board. Adafruit designed a USB boot-loader so you can plug it into any computer and reprogram it over a USB port just like an Arduino. 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. It's their lowest-cost arduino-IDE programmable board! 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. As of October 9th, 2015 the 5V Trinket comes with a micro-USB connector instead of a mini-USB connector!Īdafruit wanted to design a micro-controller board that was small enough to fit into any project, and low cost enough to use without hesitation. The 5V version can run at 8 MHz or at 16MHz by setting the software-set clock frequency. Use the 5V one for sensors and components that can use or require 5V logic.As of May 27th, 2015 the 3.3V Trinket has been revised! The board is now even smaller - at just 27mm x 15mm - and comes with a micro-B USB connector rather than mini-B The 3V3 version should only run at 8 MHz. Use the 3V3 one to interface with sensors and devices that need 3V3 logic, when you want to power it off of a LiPo battery, or if you want to connect it directly to the Raspberry Pi GPIO without logic level converters.Both work the same, but have different operating logic voltages. Trinket may be small, but do not be fooled by its size! It's a tiny micro-controller board, built around the Atmel ATtiny85, a little chip with a lot of power.
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