Good heart nervous
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9 all4g 8
Test 4. TXT
When
Comprehensive test: function choice:
1, according to the function of drawing circuits (must)
2, LED lamp3, the KEY or keyboard
4, digital tube
5, LCD
6, 7, the timer interrupt8, a serial port
9, DS1302
Each student choose 1 + other eight randomly selected 4 items, complete the task,
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