Check the listing for details. ATTINY88 Micro Development Board 16Mhz / Digispark ATTINY88 Upgrade for Arduino. Condition: New. Listed at 5.99 USD. Description The Tiny88(16.0Mhz) based microcontroller development board similar to the Arduino line, only cheaper, smaller, and a bit less powerful. With the ability to use the familiar Arduino IDE the LIVE Tiny88(16.0Mhz) is a great board to jump into electronics, or perfect for when an other board is too big or too much.The LIVE Tiny88(16.0Mhz) is shipped fully assembled except for the headersincluded and easy to solder them by yourself. Features & details 1.Support for the Arduino IDE 1.0+ (OSX/Win/Linux) 2. Power via USB or External Source - 5v or 7-35v (12v or less recommended,automatic selection) 3. On-board 500ma 5V Regulator:Built-in USB 4. 26 I/O Pins (2 are used for USB only if your program actively communicates over USB, otherwise you can use all 6 even if you are programming via USB) 5. 8k Flash Memory (about 6k after bootloader) 6. I2C and SPI;26-PWM (26 pins with Software PWM,only two(D9,D10) with hardware PWM ) 7. ADC on 8 pins;Power LED and Test/Status LED 8.Size(mm):44.5x18.3x3 Other Technical Details Country of OriginChina Fast shipping from southern California... 1st class mail no tracking