Pricerange: $ 16.00 - $ 24.00

https://www.pjrc.com/store/teensy31.html

Specification Teensy 2.0 Teensy++ 2.0 Teensy 3.0 Teensy 3.1 Processor ATMEGA32U4 8 bit AVR 16 MHz AT90USB1286 8 bit AVR 16 MHz MK20DX128 32 bit ARM Cortex-M4 48 MHz MK20DX256 32 bit ARM Cortex-M4 72 MHz Flash Memory 32256 130048 131072 262144 RAM Memory 2560 8192 16384 65536 EEPROM 1024 4096 2048 2048 I/O 25, 5 Volt 46, 5 Volt 34, 3.3 Volt 34, 3.3V, 5V tol Analog In 12 8 14 21 PWM 7 9 10 12 UART,I2C,SPI 1,1,1 1,1,1 3,1,1 3,2,1 Price $16.00 $24.00 $19.00 $19.80

3.1



3.0


2.0++


2.0

Macintosh OS X 10.5	Linux (Ubuntu)
Windows XP	Windows 7 & Vista