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- µÎ²²: 0.6mm
- Àç·á: ¾ÆÅ©¸±
- ¸ð¾ç: Rectangle
- ¸ÂÃã °¡´É À¯¹«: ¾Æ´Ï´Ù
- ¸ðµ¨ ¹øÈ£: HC-SR04
- À¯Çü: º£´Ï¾î
- ±Ù¿ø: CN (Á¤Ç°)
- Product Type 1: HC-SR04
- Product Type 2: Detector Ranging Module
- Product Type 3: New
- Product Type 4: -40-+85
- Product Type 5: Module
1, ÀÌ ¸ðµâÀÇ ¼º´ÉÀº ¾ÈÁ¤ÀûÀÌ°í Á¤È®ÇÑ °Å¸® ÃøÁ¤ÀÔ´Ï´Ù. ±×¸®°í ºñ±³ °¡´ÉÇÑ ¿Ü±¹ SRF05, SRF02 ÃÊÀ½ÆÄ ·¹ÀÎÁö ¸ðµâ. º» Á¦Ç°À» ±Ù°Å·Î ¸ðµâ Á¤¹Ð, »ç°¢ Áö´ë (2cm) ÃʱÙÁ¢, ¾ÈÁ¤ÀûÀÎ °Å¸® ÃøÁ¤ÀÌ °ÇØ ¼º°øÀûÀ¸·Î ½ÃÀå¿¡! ÀÌ ¸ðµâÀº GH-311 µµ³ ¹æÁö ¸ðµâÀÇ ¿ÏÀüÈ÷ °â¼ÕÇÑ ¿ë·®ÀÔ´Ï´Ù
µÎ °¡Áö ÁÖ¿ä ±â¼ú ¸Å°³ º¯¼ö:
1: Àü¾Ð: DC5V
2: Á¤Áö Àü·ù: <2mA
3: ·¹º§ Ãâ·Â: high-5V Ãâ·Â
4: ·¹º§: 0V ÀÇ ³¡
5: À¯µµ °¢µµ: 15 µµ ÀÌÇÏ: °¨Áö ¹üÀ§: 2cm-450cm
7: °íÁ¤¹Ð: ÃÖ´ë 0.3cm
ÆгΠ¹è¼±, VCC, trig s (ÄÁÆ®·Ñ »çÀ̵å), ¿¡ÄÚ (¼ö½Å ¿£µå), ¾Æ¿ô (ºó ÇÇÆ®), GND
Âü°í: TRIP ÇÉ ³»ºÎ Ç®¾÷ 10K ÀúÇ×, TRIP ¸¶ÀÌÅ©·Î ÄÁÆ®·Ñ·¯ IO Æ÷Æ® ÇÉ ¹× 10us ÆÞ½º ½ÅÈ£.
µµ³ ¹æÁö ¸ðµâ, ¿ø°Å¸® ¸ðµâÀÌ ÀÌ ¹ßÀ» »ç¿ëÇÏÁö ¾ÊÀ» ¶§ ½ºÀ§Ä¡ Ãâ·Â ÇÉÀ¸·Î ÀÌ ¸ðµâÀÇ OUT ÇÉ!
Âü°í: ¸ðµâÀ» »ðÀÔÇؾßÇÕ´Ï´Ù. ´ÙÇàÈ÷µµ ȸ·Î ±âÆÇÀº ´Ù½Ã Àü¿øÀÌ °ø±ÞµÇ°í ÇØ°áÇϱâ Àü¿¡ ´Ù½Ã Àü¿øÀÌ °ø±ÞµÇ¸é ³ôÀº ¿ÀÀÛµ¿À» ÇÇÇϽʽÿÀ.
ÀÌ ¸ðµâÀº Á¦°ø µÉ ¼ö ÀÖ½À´Ï´Ù ¹üÀ§ ÇÁ·Î±×·¥: C51, PIC18F877 ¸¶ÀÌÅ©·Î ÄÁÆ®·Ñ·¯ Yoshitatsu 3 MCU Å×½ºÆ® ÂüÁ¶.
3 ¸ðµâ URF04 ÀÛµ¿:
(1) Àû¾îµµ 10us ³ôÀº ½ÅÈ£¿¡ À̸£´Â IO Æ®¸®°Å;
(2) ¸ðµâÀº ÀÚµ¿À¸·Î 8 °³ÀÇ 40kHz ½ºÄù¾î ¿þÀ̺긦 º¸³»°í ½ÅÈ£°¡ ¹ÝȯµÇ´ÂÁö ¿©ºÎ¸¦ ÀÚµ¿À¸·Î °¨ÁöÇÕ´Ï´Ù.
(3) ³ôÀº IO Ãâ·ÂÀ¸·Î µ¹¾Æ°¡´Â ½ÅÈ£, ¹ß»ç¿¡¼ º¹±Í±îÁöÀÇ ÃÊÀ½ÆÄ ½Ã°£ÀÇ ³ôÀº Áö¼Ó ½Ã°£.
Å×½ºÆ® °Å¸® = (½Ã°£ ³ôÀº * »ç¿îµå ¼Óµµ (340 M/S)) / 2;
ÀÌ Á¦Ç°Àº »ç¿ëÇϱ⠽±°í Á¦¾î Æ÷Æ®°¡ 10US º¸´Ù ³ô±â ¶§¹®¿¡ ¼ö½Å Æ÷Æ®¿¡¼ ³ôÀº Ãâ·ÂÀ» ±â´Ù¸± ¼ö ÀÖ½À´Ï´Ù. ÀÌ Æ÷Æ®°¡ °è»ê °Å¸®ÀÇ ½Ã°£ ¹üÀ§¿¡ ´ëÇØ Å¸ÀÌ¸Ó °ªÀÌ ³·À» ¶§ Ãâ·ÂÀ» ¿¸é ŸÀ̸Ӹ¦ ÀÐÀ» ¼ö ÀÖ½À´Ï´Ù. ÀÌ·¯ÇÑ Áö¼ÓÀûÀÎ ÃøÁ¤ÁÖ±â, ´ç½ÅÀº ¿ì¸®°¡ ´Þ¼º ÇÒ ¼öÀÖ´Â °ªÀ» ÃøÁ¤Çϱâ À§ÇØ À̵¿ÇÕ´Ï´Ù ~ ~~
¸ðµâ ÀÛµ¿:
(1) Àû¾îµµ 10us ³ôÀº ½ÅÈ£¿¡ À̸£´Â IO Æ®¸®°Å;
(2) ¸ðµâÀº ÀÚµ¿À¸·Î 8 °³ÀÇ 40kHz ½ºÄù¾î ¿þÀ̺긦 º¸³»°í ½ÅÈ£°¡ ¹ÝȯµÇ´ÂÁö ¿©ºÎ¸¦ ÀÚµ¿À¸·Î °¨ÁöÇÕ´Ï´Ù.
(3) µ¹¾Æ¿À´Â ½ÅÈ£, ³ôÀº IO Ãâ·Â, ³ôÀº Áö¼Ó ½Ã°£
¹ß»ç¿¡¼ ¹Ýȯ±îÁöÀÇ ÃÊÀ½ÆÄ ½Ã°£. Å×½ºÆ® °Å¸® = (½Ã°£ ³ôÀº * »ç¿îµå ¼Óµµ (340 M/S)) / 2;
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