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Àû¿ë ½Ã³ª¸®¿À
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º¸µå °³¿ä
³ª´® |
¶óº§ |
¼³¸í |
·¹µå ¶óÀÎ |
VCC |
Àü¿ø °ø±Þ ÀåÄ¡ ÀÔ·Â ¾ç±Ø |
ºí·¢ ¶óÀÎ |
GND |
Àü¿ø Á¢Áö ¿ÍÀ̾î |
³ë¶õ»ö ¼± |
RX |
UART ¼ö½Å µ¥ÀÌÅÍ È¸¼± |
ÈÀÌÆ® ¶óÀÎ |
TX |
UART Àü¼Û µ¥ÀÌÅÍ È¸¼± |
Â÷¿ø µµ¸é
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Ãâ·Â Çü½Ä
1. Åë½Å Áöħ
ÀÎÅÍÆäÀ̽º |
¹èµå ºñÀ² |
µ¥ÀÌÅÍ ºñÆ® |
½ºÅé ºñÆ® |
ºñÆ® È®ÀÎ |
UART |
115200bps |
8 |
1 |
¾øÀ½ |
2. ŸÀÌ¹Ö ´ÙÀ̾î±×·¥
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Âü°í: T1 ¡Ã 19ms; T2 ? 13ms
3. UART Ãâ·Â Çü½Ä
ÇÁ·¹ÀÓ µ¥ÀÌÅÍ |
Ãâ·Â µ¥ÀÌÅÍ |
¼³¸í |
¹ÙÀÌÆ® |
ÇÁ·¹ÀÓ Çì´õ |
0XFF |
ÇÁ·¹ÀÓ Çì´õ, 0XFF ·Î °íÁ¤ |
1 ¹ÙÀÌÆ® |
H_DATA |
0X07 |
´õ ³ôÀº 8 ºñÆ®ÀÇ °Å¸® µ¥ÀÌÅÍ |
1 ¹ÙÀÌÆ® |
L_DATA |
0XA1 |
8 ºñÆ® °Å¸® µ¥ÀÌÅÍ ÇÏÇâ |
1 ¹ÙÀÌÆ® |
SUM |
0XA7 |
µ¥ÀÌÅÍ Ã¼Å©¼¶ |
1 ¹ÙÀÌÆ® |
SUM = (Çì´õ + Data_H + Data_L)& 0x00FF
=(0XFF + 0X07 + 0XA1)& 0x00FF
= 0XA7;
°Å¸® °ª = DATA _ H * 256 + DATA_L = 0x07A1;
½ÊÁø¼ö º¯È¯Àº 1953 ¿Í °°½À´Ï´Ù.
Æ©Å丮¾ó
¿ä±¸ »çÇ×
DFRuino UNO R3 (¶Ç´Â ÀÌ¿Í À¯»çÇÑ) x 1
ÃÊÀ½ÆÄ ·¹ÀÎÁö ¼¾¼ (3m) x1
¾ÆµÎÀ̳ë IDE
¿¬°á ´ÙÀ̾î±×·¥
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¹è¼Û ¸ñ·Ï
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