A simple clone of arduino working with battery power supply (IC MAX 756) at 8Mhz without quartz crystal

This is a simple clone of arduino without usb serial converter, working at 8Mhz (without quartz), with a MAX 756 IC so it can by powered by a common 1.5v battery or 3.6v lithium battery. To program it you need a USB-to-FTDI connector.