Skip navigation
(228)
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀΡ¦
(718)
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ»¡¦
¹Ù·Î°¡±âÆíÁý
ÀÚÀ¯°Ô½ÃÆÇ
ÇÑÁÙ
QnA
Job
Life
¾÷üȫº¸
DIY
¾ð¹Ú½Ì
NAS
µö·¯´×
°¡»óÈ
Çϵå¿þ¾î
³×Æ®¿÷
RAID
°ÁÂ
ÀÚ·á
BMT
ÈÆÈÆ
ÆǸÅ
±¸¸Å
°ßÀû
ÇØ¿Ü
Ãâ¼®
¹Ù·Î
¹Ù·Î°¡±âÆíÁý
member_id
password
Auto
Login
ȸ¿ø°¡ÀÔ
¾ÆÀ̵ðã±â
³×Æ®¿÷
more
À¯»Ü ¿ÀÇǽº³Ý ¼³¡¦
(5)
Ȥ½Ã ¸á¶ó³ì½º ony¡¦
(1)
TPLINK Omada Ŭ¶ó¡¦
(6)
ipTIME UI°¡ ¹Ù²î¡¦
(5)
¼ÒÈ£ ³×Æ®¿öÅ© À塦
(15)
ÀÌ°Å »ç¾ç Â÷ÀÌ°¡ ¡¦
(1)
¸ñ·Ï
¾²±â
¸ñ·Ï
Àü¾Ð¼¾¼ °ü·Ã
¹Ú³²±Ô
2015-08
2015-08-13 11:33:12
Á¶È¸ 3646 Ãßõ 0
전압이 살아있는지 검출하는 전압검출기라고 있지만,
제가 궁금해하는 것은
활선이면 DC 5V로 또 다른 기기로 입력되도록 하는
부품이 필요합니다.
이것을 AC Voltage Sensor라고 찾아야하는지
Transducer라고 해야하는지 궁금하고요,
주로 어떻게 활용하는지 궁금합니다.
ªÀº±Û Àϼö·Ï ½ÅÁßÇÏ°Ô.
²ÃÅëȲÁø¿ì
2015-08
Áú¹®ÀÇ ¿äÁö°¡...
±×³É °á¼± ÇØÁÖ¸é ¾ÈµÇ³ª¿ä??..
µÎ°³ÀÌ»óÀÇ ÀåºñÁß¿¡ ¼±ÅÃÀûÀÎ È°¼±ÀÇ À̵¿À» Çϴ°ÍÀÌ ¾Æ´Ï¶ó¸é ±×³É °á¼±À¸·Î ÇÏ¸é µÉµí ÇÕ´Ï´Ù¸¸..
¾î¶² ¿ëµµ·Î »ç¿ëÇϽǷÁ°í ÇϽôÂÁö ³»¿ëµµ Àû¾îÁֽøé Á»´õ ¸¹Àº ´äÀÌ ³ª¿Ãµí ÇÕ´Ï´Ù.
º¸ÅëÀº ¸±·¹À̸¦ ¸¹ÀÌ »ç¿ë ÇÕ´Ï´Ù..
Áú¹®ÀÇ ¿äÁö°¡... ±×³É °á¼± ÇØÁÖ¸é ¾ÈµÇ³ª¿ä??.. µÎ°³ÀÌ»óÀÇ ÀåºñÁß¿¡ ¼±ÅÃÀûÀÎ È°¼±ÀÇ À̵¿À» Çϴ°ÍÀÌ ¾Æ´Ï¶ó¸é ±×³É °á¼±À¸·Î ÇÏ¸é µÉµí ÇÕ´Ï´Ù¸¸.. ¾î¶² ¿ëµµ·Î »ç¿ëÇϽǷÁ°í ÇϽôÂÁö ³»¿ëµµ Àû¾îÁֽøé Á»´õ ¸¹Àº ´äÀÌ ³ª¿Ãµí ÇÕ´Ï´Ù. º¸ÅëÀº ¸±·¹À̸¦ ¸¹ÀÌ »ç¿ë ÇÕ´Ï´Ù..
¹Ú³²±Ô
2015-08
¼³¸íÀÌ ºÎÁ·Çß½À´Ï´Ù.
¸±·¹ÀÌ¿Í ¶óÁ¸®ÆÄÀ̸¦ È¥ÇÕÇؼ Á¶ÀÛÇÒ ¼ö Àִ ȯ°æÀ» ¸¸µé·Á°í ÇÕ´Ï´Ù.
¸ð´ÏÅÍÇϴ ȸéÀº ¶óÁ¸®ÆÄÀÌ·Î ¸¸µé·Á°í ÇÕ´Ï´Ù.
¿¹·Î, ¸±·¹À̸¦ ÅëÇؼ ¼öµ¿À¸·Î onÀ» ½ÃŲ°æ¿ì
¶Ç´Â ÀÏÁ¤ ½Ã°£ÀÌ Áö³ª°í ÇöÀç »óÅÂ(on/off¿©ºÎ)¸¦ ÆľÇÇÏ°í ½ÍÀº°æ¿ì
¶óÁ¸®ÆÄÀÌ¿¡¼ ÀÎÁöÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ
¼¾¼¸¦ ÅëÇؼ È°¼±¿©ºÎ¸¦ °ËÃâÇÏ¸é ¾î¶³±î »ý°¢Çß½À´Ï´Ù.
±×·¡¼, AC 220V È°¼±¿©ºÎ¸¦ °ËÃâÇؼ DC 5V·Î ½ÅÈ£·Î Àü´ÞÇØÁÖ´Â ºÎÇ°ÀÌ ÀÖ´ÂÁö ±Ã±ÝÇß½À´Ï´Ù.
¸±·¹À̸¦ ½áµµ µÉ µí Çѵ¥, Àü·Â¼Òºñµµ Àû°Ôµé°í °¡¿ë¼ºµµ ÁÁÀº ¼¾¼ÇüÅ°¡ ÀÖ´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
¼³¸íÀÌ ºÎÁ·Çß½À´Ï´Ù. ¸±·¹ÀÌ¿Í ¶óÁ¸®ÆÄÀ̸¦ È¥ÇÕÇؼ Á¶ÀÛÇÒ ¼ö Àִ ȯ°æÀ» ¸¸µé·Á°í ÇÕ´Ï´Ù. ¸ð´ÏÅÍÇϴ ȸéÀº ¶óÁ¸®ÆÄÀÌ·Î ¸¸µé·Á°í ÇÕ´Ï´Ù. ¿¹·Î, ¸±·¹À̸¦ ÅëÇؼ ¼öµ¿À¸·Î onÀ» ½ÃŲ°æ¿ì ¶Ç´Â ÀÏÁ¤ ½Ã°£ÀÌ Áö³ª°í ÇöÀç »óÅÂ(on/off¿©ºÎ)¸¦ ÆľÇÇÏ°í ½ÍÀº°æ¿ì ¶óÁ¸®ÆÄÀÌ¿¡¼ ÀÎÁöÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ ¼¾¼¸¦ ÅëÇؼ È°¼±¿©ºÎ¸¦ °ËÃâÇÏ¸é ¾î¶³±î »ý°¢Çß½À´Ï´Ù. ±×·¡¼, AC 220V È°¼±¿©ºÎ¸¦ °ËÃâÇؼ DC 5V·Î ½ÅÈ£·Î Àü´ÞÇØÁÖ´Â ºÎÇ°ÀÌ ÀÖ´ÂÁö ±Ã±ÝÇß½À´Ï´Ù. ¸±·¹À̸¦ ½áµµ µÉ µí Çѵ¥, Àü·Â¼Òºñµµ Àû°Ôµé°í °¡¿ë¼ºµµ ÁÁÀº ¼¾¼ÇüÅ°¡ ÀÖ´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
¹è»ó0¿ø
2015-08
Á¤¼®Àº AC current sensor¸¦ ADC·Î ¹Þ´Â °Í °°°í, (ÀÌ °æ¿ì¿£ commercial shieldµµ ¸¹À¸´Ï±î¿ä)
Á¦ °æ¿ì È°¼± ±Ùó¿¡¼ ²ø¾î¿Â Àü¼±À» tr °ÅÃļ photo-coupler¿¡ ³Ö¾îÁÖ¾ú½À´Ï´Ù. ¹°·Ð photo-coupler ÂÊ¿¡
5V pull-upÀ» °É¾îÁÖ¾ú½À´Ï´Ù.
Relay¸¦ »ç¿ëÇϽŴٸé relayÀÇ ³²´Â pin¿¡ 5V pull-upÀ» °É¾îÁּŵµ °£´ÜÇÒ °Í °°½À´Ï´Ù.
Noise°¡ ¸¹°Å³ª, ȸ·Î¸¦ ¿ÏÀüÈ÷ ºÐ¸®ÇÏ°í ½ÍÀ¸½Ã°Å³ª,
»óÀ§ Â÷´Ü±â°¡ ³»·ÁÁø °æ¿ì µîÀ» ÆľÇÇϽ÷Á¸é È°¼±Æľǵµ ±¦ÂúÀº ¹æ¹ýÀ̱º¿ä.
Á¤¼®Àº AC current sensor¸¦ ADC·Î ¹Þ´Â °Í °°°í, (ÀÌ °æ¿ì¿£ commercial shieldµµ ¸¹À¸´Ï±î¿ä) Á¦ °æ¿ì È°¼± ±Ùó¿¡¼ ²ø¾î¿Â Àü¼±À» tr °ÅÃļ photo-coupler¿¡ ³Ö¾îÁÖ¾ú½À´Ï´Ù. ¹°·Ð photo-coupler ÂÊ¿¡ 5V pull-upÀ» °É¾îÁÖ¾ú½À´Ï´Ù. Relay¸¦ »ç¿ëÇϽŴٸé relayÀÇ ³²´Â pin¿¡ 5V pull-upÀ» °É¾îÁּŵµ °£´ÜÇÒ °Í °°½À´Ï´Ù. Noise°¡ ¸¹°Å³ª, ȸ·Î¸¦ ¿ÏÀüÈ÷ ºÐ¸®ÇÏ°í ½ÍÀ¸½Ã°Å³ª, »óÀ§ Â÷´Ü±â°¡ ³»·ÁÁø °æ¿ì µîÀ» ÆľÇÇϽ÷Á¸é È°¼±Æľǵµ ±¦ÂúÀº ¹æ¹ýÀ̱º¿ä.
¼ÛÁøÇö
2015-08
È°¼±À̸é DC 5V·Î ¶Ç ´Ù¸¥ ±â±â·Î ÀԷµǵµ·Ï ÇÏ´Â
¼¾¼´Â Àß ¸ð¸£°ÚÁö¸¸ ±×³É »ó¿ë ¾Æ´äÅÍ »ç¿ëÇÏ½Ã¸é µÉ°Å°°Àºµ¥¿ä..
È°¼±À̸é DC 5V·Î ¶Ç ´Ù¸¥ ±â±â·Î ÀԷµǵµ·Ï ÇÏ´Â ¼¾¼´Â Àß ¸ð¸£°ÚÁö¸¸ ±×³É »ó¿ë ¾Æ´äÅÍ »ç¿ëÇÏ½Ã¸é µÉ°Å°°Àºµ¥¿ä..
¹Ú³²±Ô
2015-08
À§ ´äº¯ÁֽŠºÐµé²² Áø½ÉÀ¸·Î °¨»çµå¸³´Ï´Ù.
¸¹Àº µµ¿òÀÌ µÇ¾ú½À´Ï´Ù.
À§ ´äº¯ÁֽŠºÐµé²² Áø½ÉÀ¸·Î °¨»çµå¸³´Ï´Ù. ¸¹Àº µµ¿òÀÌ µÇ¾ú½À´Ï´Ù.
¹è»ó0¿ø
2015-08
ÀÌ¹Ì ÁÁÀº ¹æ¹ýÀ¸·Î ÇØ°áÇϼ̰ÚÁö¸¸, ±â·ÏÀ» À§ÇØ Á¦°¡ ÂüÁ¶ÇÑ ¸µÅ©¸¦ ³²°Üº¾´Ï´Ù.
http://makezine.com/projects/non-contact-voltage-detector/
Á¦ °æ¿ì Ç¥½Ã¿ë LED¸¦ photo coupler·Î ¹Ù²Ù°í raspberry piÀÇ gpio¿¡ pull-upÀ¸·Î ¿¬°áÇØ ÁÖ¾ú½À´Ï´Ù.
»ç½Ç ¸µÅ©ÀÇ ½ÃÁ¤¼ö¸¦ ±×´ë·Î »ç¿ëÇÒ °æ¿ì ³Ê¹« ¹Î°¨ÇÏ¿© ÁÖº¯ ac lineÀÇ ½ÅÈ£°¡ ´Ù¸¥ Àü¼±À» Ÿ°í ³Ñ¾î¿À±âµµ
Çؼ ¹Î°¨µµ¸¦ ¾à°£ ³·Ãßµµ·Ï Á¶Á¤ÇØ¾ß Çß½À´Ï´Ù.
ÀÌ¹Ì ÁÁÀº ¹æ¹ýÀ¸·Î ÇØ°áÇϼ̰ÚÁö¸¸, ±â·ÏÀ» À§ÇØ Á¦°¡ ÂüÁ¶ÇÑ ¸µÅ©¸¦ ³²°Üº¾´Ï´Ù. http://makezine.com/projects/non-contact-voltage-detector/ Á¦ °æ¿ì Ç¥½Ã¿ë LED¸¦ photo coupler·Î ¹Ù²Ù°í raspberry piÀÇ gpio¿¡ pull-upÀ¸·Î ¿¬°áÇØ ÁÖ¾ú½À´Ï´Ù. »ç½Ç ¸µÅ©ÀÇ ½ÃÁ¤¼ö¸¦ ±×´ë·Î »ç¿ëÇÒ °æ¿ì ³Ê¹« ¹Î°¨ÇÏ¿© ÁÖº¯ ac lineÀÇ ½ÅÈ£°¡ ´Ù¸¥ Àü¼±À» Ÿ°í ³Ñ¾î¿À±âµµ Çؼ ¹Î°¨µµ¸¦ ¾à°£ ³·Ãßµµ·Ï Á¶Á¤ÇØ¾ß Çß½À´Ï´Ù.
·Î±×ÀÎ ÇÏ½Ã¸é ´ñ±ÛÀ» ³²±æ ¼ö ÀÖ½À´Ï´Ù
¸ñ·Ï
¾²±â
¸ñ·Ï
QnA
¾²±â
1715/5605
¹øÈ£
Á¦¸ñ
Page 1715/5605
±Û¾´ÀÌ
³¯Â¥
Á¶È¸
̵̧
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(718)
Á¤ÀºÁØ1
2014-05
4542925
0
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(718)
2014-05 4542925
1
Á¤ÀºÁØ1
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(ver2.0)
(228)
¹é¸Þ°¡
2015-12
1093081
25
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(¡¦
(228)
2015-12 1093081
1
¹é¸Þ°¡
77818
Esxi USB¿¡ ¼³Ä¡ °¡´ÉÇÒ±î¿ä?
(6)
Ŭ·¡½Ä
2016-06
3636
0
Esxi USB¿¡ ¼³Ä¡ °¡´ÉÇÒ±î¿ä?
(6)
2016-06 3636
1
Ŭ·¡½Ä
77817
AMD Ä𷯸¦ ÀÎÅÚ ¾¾Ç»¿¡?
(5)
FreeBSD
2021-03
3636
0
AMD Ä𷯸¦ ÀÎÅÚ ¾¾Ç»¿¡?
(5)
2021-03 3636
1
FreeBSD
77816
Router¿Í Nas ÇÊ¿ä ¼º´É
(4)
Á¶¼ºÇöÀÔ´Ï´Ù
2015-04
3636
0
Router¿Í Nas ÇÊ¿ä ¼º´É
(4)
2015-04 3636
1
Á¶¼ºÇöÀÔ´Ï´Ù
77815
NAS¿¡ ÀÖ´Â ÆÄÀÏÀ» ¿ÜºÎ¿¡¼ ´Ù¿î¾øÀÌ ¿ ¼ö ÀÖÀ»±î¿ä?
(4)
¹Ù´Ù³²ÀÚ
2015-10
3636
0
NAS¿¡ ÀÖ´Â ÆÄÀÏÀ» ¿ÜºÎ¿¡¼ ´Ù¿î¾øÀÌ ¿ ¡¦
(4)
2015-10 3636
1
¹Ù´Ù³²ÀÚ
77814
ÀåÄ¡°ü¸®ÀÚ¿¡¼ ¿¡·¯°¡ ³ª´Â ÀåÄ¡°¡ Çϳª Àִµ¥ µå¶óÀ̹ö¸¦ ¾îµð¼ ã¾Æ¾ß ÇÒ±î¿ä?
(2)
¸ðÅäÅä
2019-06
3636
0
ÀåÄ¡°ü¸®ÀÚ¿¡¼ ¿¡·¯°¡ ³ª´Â ÀåÄ¡°¡ Çϳª ¡¦
(2)
2019-06 3636
1
¸ðÅäÅä
77813
¹ÙÀÌ¿À½º ÆÄÀÏ È®ÀåÀÚ¸í
(2)
¸®´ª¼
2020-05
3636
0
¹ÙÀÌ¿À½º ÆÄÀÏ È®ÀåÀÚ¸í
(2)
2020-05 3636
1
¸®´ª¼
77812
¾Æ´äÅÍ »ç¿ë°¡´É¿©ºÎ..
(5)
Won³«¿¬
2016-09
3636
1
¾Æ´äÅÍ »ç¿ë°¡´É¿©ºÎ..
(5)
2016-09 3636
1
Won³«¿¬
77811
ÇÚµðÇü ¼ÒÇü Á¶°¢±â Ãßõ Á» ÇØÁÖ¼¼¿ä
(4)
馛
2018-04
3636
0
ÇÚµðÇü ¼ÒÇü Á¶°¢±â Ãßõ Á» ÇØÁÖ¼¼¿ä
(4)
2018-04 3636
1
馛
77810
Ȩ¼¹ö 2011±¸¸ÅÇÏ·Á¸é ¾î¶²°ÍÀ» ±¸¸ÅÇؾßÇϳª¿ä?
(6)
±è°Ç¿ì
2014-08
3636
0
Ȩ¼¹ö 2011±¸¸ÅÇÏ·Á¸é ¾î¶²°ÍÀ» ±¸¸ÅÇؾߡ¦
(6)
2014-08 3636
1
±è°Ç¿ì
77809
0x00000044 ºí·ç½ºÅ©¸° ±Û ¿Ã¸° ÀÌÈÄ
(2)
À¯È£ÁØ
2013-12
3636
0
0x00000044 ºí·ç½ºÅ©¸° ±Û ¿Ã¸° ÀÌÈÄ
(2)
2013-12 3636
1
À¯È£ÁØ
77808
SSD¸¦ ÆÄƼ¼Ç ³ª´«ÈÄ, ÀϺθ¦ HDD ij½¬·Î ÇÒ´çÇÏ´Â°Ô °¡´ÉÇÒ±î¿ä???
(5)
º´¸ÀÆù
2014-03
3636
0
SSD¸¦ ÆÄƼ¼Ç ³ª´«ÈÄ, ÀϺθ¦ HDD ij½¬·Î ¡¦
(5)
2014-03 3636
1
º´¸ÀÆù
77807
AIX 5.3¿¡ JAVA(SDK) 8 ¹öÀü ¼³Ä¡ °¡´ÉÇÑ°¡¿ä?
(2)
±¸½ÊÆò
2021-06
3636
0
AIX 5.3¿¡ JAVA(SDK) 8 ¹öÀü ¼³Ä¡ °¡´ÉÇÑ¡¦
(2)
2021-06 3636
1
±¸½ÊÆò
77806
no-sql(mongodb) ½ºÅ°¸¶ ¼³°è Á¶¾ð ºÎŹµå¸³´Ï´Ù.
(6)
±èÁ¦¿¬
2018-07
3636
0
no-sql(mongodb) ½ºÅ°¸¶ ¼³°è Á¶¾ð ºÎŹµå¡¦
(6)
2018-07 3636
1
±èÁ¦¿¬
77805
Ŭ¶ó¿ìµå ¾÷ü´Â, ÀÚ·á ¹é¾÷À» ÇÒ±î¿ä??
(5)
LSSAH
2018-05
3636
0
Ŭ¶ó¿ìµå ¾÷ü´Â, ÀÚ·á ¹é¾÷À» ÇÒ±î¿ä??
(5)
2018-05 3636
1
LSSAH
77804
Àú°¡??ÀÏÁö´Â ¸ð¸£Áö¸¸ °æ¼º Å¥´Ð½º ¸ð´ÏÅ͸¦ ±¸¸ÅÇߴµ¥¿ä...
(3)
±è°Ç¿ì
2015-12
3637
0
Àú°¡??ÀÏÁö´Â ¸ð¸£Áö¸¸ °æ¼º Å¥´Ð½º ¸ð´Ï¡¦
(3)
2015-12 3637
1
±è°Ç¿ì
77803
¾î¶² ³ëÆ®ºÏÀ» ¼±ÅÃÇÒ±î¿ä?
(7)
ÇÏ´ÃÇÏ´Ã
2016-02
3637
0
¾î¶² ³ëÆ®ºÏÀ» ¼±ÅÃÇÒ±î¿ä?
(7)
2016-02 3637
1
ÇÏ´ÃÇÏ´Ã
77802
Seagate 8TB Archive ¾ÆÄ«À̺ê Çϵ忡 ´ëÇؼ Áú¹® µå¸³´Ï´Ù. »ç¿ëÇÏ½Ã´ÂºÐµé ²² Áú¡¦
(1)
¸¶¹ý»ç´ç87
2016-06
3637
0
Seagate 8TB Archive ¾ÆÄ«À̺ê Çϵ忡 ´ë¡¦
(1)
2016-06 3637
1
¸¶¹ý»ç´ç87
77801
GTS250 GPU-Z·Î °Ë»çÇغ¸´Ï
(4)
ö
2015-06
3637
0
GTS250 GPU-Z·Î °Ë»çÇغ¸´Ï
(4)
2015-06 3637
1
ö
77800
½Ã°ÔÀÌÆ®ÀÇ °ª½Ñ 8TB µå¶óÀ̺ê´Â ¿ì¸®³ª¶ó ÀÏ¹Ý ½ÃÀå¿¡ ¾ðÁ¦Âë Ç®¸±±î¿ä?
(1)
VSPress
2015-02
3637
0
½Ã°ÔÀÌÆ®ÀÇ °ª½Ñ 8TB µå¶óÀ̺ê´Â ¿ì¸®³ª¶ó¡¦
(1)
2015-02 3637
1
VSPress
77799
iptime °øÀ¯±â°¡ ÀÚ²Ù »¸½À´Ï´Ù.
(11)
°ËÀºÄá
2018-08
3637
0
iptime °øÀ¯±â°¡ ÀÚ²Ù »¸½À´Ï´Ù.
(11)
2018-08 3637
1
°ËÀºÄá
1711
1712
1713
1714
1715
(current)
1716
1717
1718
1719
1720
1711
1712
1713
1714
1715
(current)
¸ñ·Ï
¾²±â
sfl
Á¦¸ñ
³»¿ë
Á¦¸ñ+³»¿ë
ȸ¿ø¾ÆÀ̵ð
ȸ¿ø¾ÆÀ̵ð(ÄÚ)
À̸§
À̸§(ÄÚ)
stx
sop
and
or
°Ë»ö
±×³É °á¼± ÇØÁÖ¸é ¾ÈµÇ³ª¿ä??..
µÎ°³ÀÌ»óÀÇ ÀåºñÁß¿¡ ¼±ÅÃÀûÀÎ È°¼±ÀÇ À̵¿À» Çϴ°ÍÀÌ ¾Æ´Ï¶ó¸é ±×³É °á¼±À¸·Î ÇÏ¸é µÉµí ÇÕ´Ï´Ù¸¸..
¾î¶² ¿ëµµ·Î »ç¿ëÇϽǷÁ°í ÇϽôÂÁö ³»¿ëµµ Àû¾îÁֽøé Á»´õ ¸¹Àº ´äÀÌ ³ª¿Ãµí ÇÕ´Ï´Ù.
º¸ÅëÀº ¸±·¹À̸¦ ¸¹ÀÌ »ç¿ë ÇÕ´Ï´Ù..
¸±·¹ÀÌ¿Í ¶óÁ¸®ÆÄÀ̸¦ È¥ÇÕÇؼ Á¶ÀÛÇÒ ¼ö Àִ ȯ°æÀ» ¸¸µé·Á°í ÇÕ´Ï´Ù.
¸ð´ÏÅÍÇϴ ȸéÀº ¶óÁ¸®ÆÄÀÌ·Î ¸¸µé·Á°í ÇÕ´Ï´Ù.
¿¹·Î, ¸±·¹À̸¦ ÅëÇؼ ¼öµ¿À¸·Î onÀ» ½ÃŲ°æ¿ì
¶Ç´Â ÀÏÁ¤ ½Ã°£ÀÌ Áö³ª°í ÇöÀç »óÅÂ(on/off¿©ºÎ)¸¦ ÆľÇÇÏ°í ½ÍÀº°æ¿ì
¶óÁ¸®ÆÄÀÌ¿¡¼ ÀÎÁöÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ
¼¾¼¸¦ ÅëÇؼ È°¼±¿©ºÎ¸¦ °ËÃâÇÏ¸é ¾î¶³±î »ý°¢Çß½À´Ï´Ù.
±×·¡¼, AC 220V È°¼±¿©ºÎ¸¦ °ËÃâÇؼ DC 5V·Î ½ÅÈ£·Î Àü´ÞÇØÁÖ´Â ºÎÇ°ÀÌ ÀÖ´ÂÁö ±Ã±ÝÇß½À´Ï´Ù.
¸±·¹À̸¦ ½áµµ µÉ µí Çѵ¥, Àü·Â¼Òºñµµ Àû°Ôµé°í °¡¿ë¼ºµµ ÁÁÀº ¼¾¼ÇüÅ°¡ ÀÖ´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
Á¦ °æ¿ì È°¼± ±Ùó¿¡¼ ²ø¾î¿Â Àü¼±À» tr °ÅÃļ photo-coupler¿¡ ³Ö¾îÁÖ¾ú½À´Ï´Ù. ¹°·Ð photo-coupler ÂÊ¿¡
5V pull-upÀ» °É¾îÁÖ¾ú½À´Ï´Ù.
Relay¸¦ »ç¿ëÇϽŴٸé relayÀÇ ³²´Â pin¿¡ 5V pull-upÀ» °É¾îÁּŵµ °£´ÜÇÒ °Í °°½À´Ï´Ù.
Noise°¡ ¸¹°Å³ª, ȸ·Î¸¦ ¿ÏÀüÈ÷ ºÐ¸®ÇÏ°í ½ÍÀ¸½Ã°Å³ª,
»óÀ§ Â÷´Ü±â°¡ ³»·ÁÁø °æ¿ì µîÀ» ÆľÇÇϽ÷Á¸é È°¼±Æľǵµ ±¦ÂúÀº ¹æ¹ýÀ̱º¿ä.
¼¾¼´Â Àß ¸ð¸£°ÚÁö¸¸ ±×³É »ó¿ë ¾Æ´äÅÍ »ç¿ëÇÏ½Ã¸é µÉ°Å°°Àºµ¥¿ä..
¸¹Àº µµ¿òÀÌ µÇ¾ú½À´Ï´Ù.
http://makezine.com/projects/non-contact-voltage-detector/
Á¦ °æ¿ì Ç¥½Ã¿ë LED¸¦ photo coupler·Î ¹Ù²Ù°í raspberry piÀÇ gpio¿¡ pull-upÀ¸·Î ¿¬°áÇØ ÁÖ¾ú½À´Ï´Ù.
»ç½Ç ¸µÅ©ÀÇ ½ÃÁ¤¼ö¸¦ ±×´ë·Î »ç¿ëÇÒ °æ¿ì ³Ê¹« ¹Î°¨ÇÏ¿© ÁÖº¯ ac lineÀÇ ½ÅÈ£°¡ ´Ù¸¥ Àü¼±À» Ÿ°í ³Ñ¾î¿À±âµµ
Çؼ ¹Î°¨µµ¸¦ ¾à°£ ³·Ãßµµ·Ï Á¶Á¤ÇØ¾ß Çß½À´Ï´Ù.