ATTINY167 Digispark Pro

1.  Compatible with IDE 1.5 (OSX/Win/Linux)
2.  Fully signed drivers and executable for easy installation
3.  USB programming, USB device emulation, USB-CDC virtual serial port emulation
4.  16 MHz AVR MCU - using a true 16Mhz precision crystal
5.  16KB Flash Memory (14.5K+ after bootloader)
6.  Serial over USB debugging and communication!
7.  14 i/o Pins (2 shared with USB)
8.  I2C, true SPI, UART, LIN, and USI
9.  ADC on 10 pins
10. 3 PWM Channels (which can be assigned to a selection of pins)
11. Power via USB, or External Source - 5v or 6-16v (automatic selection) 
12. On-board button that can be used as a reset, program, or user button - or can be
disabled to use that pin as general i/o - without changing the bootloader
13. On-board 150mA 5V regulator
14. Power LED and Test/Status LED (on Pin 1)
15. User accessible solder jumpers to disable LEDs, and other features for lower power consumption
16. Two mounting holes.
17. Breadboard compatible pin out/spacing