For this project you need a 3.7v power supply that prepared by LM317 regulator. So you need MAX232 for connect uart to pc .my AVR chip project is Mega8 that you can program on any Avr chip have 2kbyte rom. In bascom spi hardware don’t work correct, s

Siemens S65 mobile display driver for CV AVR (Hardware and Software SPI versions)

AVR M16的最小实验板，可以作为初学者调试用，另外需要卖一块20多块钱的下载线才能用SPI口下载软件-AVR M16 minimal target board, can serve as a beginner for debugging, also need to sell a 20 dollar download cable to download the software with the SPI port