Eventually I would like to sell full kit of "super tinyBASIC computer" contains

(1) PCB

(2) Arduino bootloader written ATMega1284P

(3) RTC (PCF2129AT)

(4) two-byte character (Kanji) SPI ROM

(5) Piezo buzzer

(6) All of connectors and capacitors/resistors

All you will need to complete is this kit and (USB-TTL interface (FTDI): not included) . Stay tune!