+-------------------------------+ ! APPLE-1 I/O & REAL TIME CLOCK ! +-------------------------------+ BILL OF MATERIALS: - 1x ATMEGA32A PU - 1x VIA 65C22 - 1x 74HC154 - 2x 74HC164 - 1x XTAL 16 MHz - 2x 22 pF ceramic capacitors - 5x 100 nF capacitors - 1x 4.7 kOhm resistor - 1x 10 kOhm resistor - 2x LED bargraph MV57164 or equivalent - 5x resistor array (each one contains 4x470 Ohm single resistors, no common pin) - 1x RTC module DS3231