The 2 shared IO pins have 2 more analog inputs and one more PWM output. The 3 independent IO pins have 1 analog input and 2 PWM output as well.
On-board green power LED and red pin #1 LED.Power with either USB or external output (such as a battery) - it'll automatically switch over.Up to 16V input, reverse-polarity protection, thermal and current-limit protection. On-board 3.3V or 5.0V power regulator with 150mA output capability and ultra-low dropout.~5.25K bytes available for use (2.75K taken for the bootloader).Adafruit 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!.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 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).
Adafruit trinket 5v wiring software#
Adafruit trinket 5v wiring serial#
Trinket does not have a Serial port connection for debugging so the serial port monitor will not be able to send/receive data.There are some things you trade off for such a small and low cost microcontroller! Even though you can program Trinket using the Arduino IDE, it's not a fully 100% Arduino-compatible. 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. 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. Both work the same, but have different operating logic voltages. 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 Adafruit even made some simple modifications to the Arduino IDE so that it works like a mini-Arduino board. We designed a USB bootloader so you can plug it into any computer and reprogram it over a USB port just like an Arduino. It's the 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. 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. Adafruit wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation. 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.
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