Help, please can someone help me with a schematics of a serial arduino clone with the bootloader using Atmega88p. This is the only microcontroller i was able to get from a very far place. I only program using a desktop pc and a serial port avr programmer i built. I have tried programming the atmega88p through the serial port from arduin environment using schematics and bootloader i got from the internet, but nothing works.
Put https://dl.dropboxusercontent.com/u/2807353/femtoCore/package_femtocow_attiny_index.json in the File>Preferences>Additional Boards Manager URLs box. Then open Boards Manager and install the ATTiny Core package.