Description:Our LIVE Tiny88 (16.0Mhz) microcontroller development board is more cost-effective, smaller and more powerful. Great for beginners!Specification:IDE 1.0+ support (OSX/Win/Linux)5v or 7-24v via USB or external power supply (12v or lower recommended, auto-selected)Onboard 500ma 5V regulatorBuilt-in USB26 I/O pins (2 are for USB only if your program is actively communicating over USB, otherwise all 26 are available even after you program over USB)8k flash (about 6k after bootloader)On-board I2C and SPI interfacesWith 26 PWM pins (software PWM, hardware PWM only two (D9, D10))with 8 ADC pinsPower: LED and Test/Status LEDVolume (mm): about 44.5x18.3x3Package List: Development Extended Board * 1Notes: Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.Due to manual measurement, there might be a tolerance in the product size.