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Hardware I2C / SPI capability for breakout & sensor interfacing. 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. 5 GPIO – 2 shared with the USB interface. No need to unplug/replug the board every time you want to reset or update!
![adafruit trinket 5v adafruit trinket 5v](https://cdn.shopify.com/s/files/1/0915/1182/products/2000-07_52e3bd30-3b94-4e11-b45b-5bfde95907ff_2048x.jpeg)
Reset button for entering the bootloader or restarting the program. 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) We wanted to design a microcontroller board. 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! Adafruit Trinket Mini MicrocontrollerThe Atmel ATtiny85 is a smallmicrocontroller cardis a powerful little chip. Mini or Micro-B 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 CODE
If you don't perform a pre-check on the code and your computer takes a while to process the code it may miss the upload window, starting the upload before the Trinket is plugged in. Thanks to its size, you can slip this board into pretty much any prototype. Coming in at a tiny 38mm x 18mm x 2mm (1.5' x 0.7' x 0.2') (without headers), it gives you easy access to the ATtiny85 MCU for development and programming.
ADAFRUIT TRINKET 5V PRO
Internal oscillator runs at 8MHz, but can be doubled in software for 16MHz My process for the Trinket involves building the code, running a check on syntax, clicking the upload button and immediately plugging the Trinket into the USB cable. Small is beautiful - and thats especially true of the Adafruit Pro Trinket 5V development board. ATtiny85 on-board, 8K of flash, 512 byte of SRAM, 512 bytes of EEPROM