
I / O resources:
(1.) on-board 12-bit LED light-emitting diode (do water and other experiments)
(2.) on-board 8-bit LED digital tube (for dynamic or static display experiment of digital control, frequency meter; stopwatch .. ..)
(3.) on-board all the way to the buzzer (for sound experimental)
(4.) onboard 5 independent keys (buttons do control experiments) 1: a reconfigurable button (not programmable) 2: 4 independent keys (which is programmable)
(5.) onboard I2C serial EEPROM 24C04 (IIC bus to do experiments)
(6.) on-board VGA port
(7.) dedicated MAX232 serial communication circuit board (and other systems to do the serial communication experiment)
(8.) board 1602LCD character LCD interface (do characters show experimental)
(9.) board 12864LCD LCD interface (such as Chinese characters do show experimental)
(10.) on-board dual PS / 2 keyboard port (do PS / 2 keyboard test)
(11.) Mother board eight independent dial switch (you can set fixed to 0 or 1) user-friendly experiments.
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