Skip navigation
³»¿ë¾ø½¿
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
Job
more
·¯½ºÅ© µ¥½ºÅ© À¯¡¦
(3)
Mikrotik ¶ó¿ìÅÍ ¡¦
(4)
[±¸ÀÎ] ¾ÆÀ̺ñÀÎÆ÷¡¦
Áß¼Ò±â¾÷ Àü»ê½Ç ¡¦
(12)
ÄüÀ̳ª ¿ë´Þ ÇÏ´Â ¡¦
(15)
ÁÖ´ÏÆÛ l2 l3 ±¸¼º¡¦
(1)
¸ñ·Ï
¾²±â
¸ñ·Ï
Àü¾Ð¼¾¼ °ü·Ã
¹Ú³²±Ô
2015-08
2015-08-13 11:33:12
Á¶È¸ 3990 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
1753/5701
¹øÈ£
Á¦¸ñ
Page 1753/5701
±Û¾´ÀÌ
³¯Â¥
Á¶È¸
̵̧
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(733)
Á¤ÀºÁØ1
2014-05
5060191
0
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(733)
2014-05 5060191
1
Á¤ÀºÁØ1
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(ver2.0)
(230)
¹é¸Þ°¡
2015-12
1596257
25
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(¡¦
(230)
2015-12 1596257
1
¹é¸Þ°¡
78974
msata ssd¿Í À©µµ¿ì ÀýÀü¸ðµå
(5)
±èȲÁß
2019-03
3990
1
msata ssd¿Í À©µµ¿ì ÀýÀü¸ðµå
(5)
2019-03 3990
1
±èȲÁß
78973
·¹À̵å À©µµ¿ìÁî ¼³Ä¡ ¹®Á¦
(8)
ƼŰ
2014-03
3990
0
·¹À̵å À©µµ¿ìÁî ¼³Ä¡ ¹®Á¦
(8)
2014-03 3990
1
ƼŰ
78972
RouterOS vm¿þ¾î¿¡ ¿Ã·Á»ç¿ëÇϽôºР°è½Å°¡¿ä?
(7)
¹èÁؼ®
2014-05
3990
0
RouterOS vm¿þ¾î¿¡ ¿Ã·Á»ç¿ëÇϽôºР°è½Å¡¦
(7)
2014-05 3990
1
¹èÁؼ®
78971
Dell T20 °ø±¸
(2)
nQÀ̼ººÀ
2016-05
3990
0
Dell T20 °ø±¸
(2)
2016-05 3990
1
nQÀ̼ººÀ
78970
Á¦ ±âÁØ¿¡ °ÅÀÇ ¸Â´Â? Ÿºí·¿ºÃ´Âµ¥...FM±â´ÉÀÌ ±¸±Û¾Û¿¡¼ Á¦°øÇÏ´Â°Ô ¾Æ´Ñ Çϵå¿þ¡¦
(1)
±è°Ç¿ì
2016-01
3990
0
Á¦ ±âÁØ¿¡ °ÅÀÇ ¸Â´Â? Ÿºí·¿ºÃ´Âµ¥...FM¡¦
(1)
2016-01 3990
1
±è°Ç¿ì
78969
À̹ÌÁö ½á¹ö ÀÌ°Ç ¾îµð¼ ¿Ã·ÈÁÒ?
(4)
³ªÆÄÀÌ°½ÂÈÆ
2017-03
3990
0
À̹ÌÁö ½á¹ö ÀÌ°Ç ¾îµð¼ ¿Ã·ÈÁÒ?
(4)
2017-03 3990
1
³ªÆÄÀÌ°½ÂÈÆ
78968
PCB Á¦ÀÛ ¸º±æ ¶§ °Å¹öÆÄÀÏÀ» pdf ·Î Á൵ µÇ³ª¿ä?
(6)
¹«¾Æ
2019-07
3990
0
PCB Á¦ÀÛ ¸º±æ ¶§ °Å¹öÆÄÀÏÀ» pdf ·Î Á൵¡¦
(6)
2019-07 3990
1
¹«¾Æ
78967
µ¨ m4600 »ç¿ëÇÕ´Ï´Ù. ¹ÙÀÌ¿À½º ¹®Á¦ Á»...
(5)
epage
2016-03
3990
0
µ¨ m4600 »ç¿ëÇÕ´Ï´Ù. ¹ÙÀÌ¿À½º ¹®Á¦ Á»...
(5)
2016-03 3990
1
epage
78966
¾È³çÇϼ¼¿ä Áö³¹ø Äľ˸øÀÔ´Ï´Ù!! Tesla & Quadro °ü·Ã
(2)
ComAreMot
2016-04
3990
0
¾È³çÇϼ¼¿ä Áö³¹ø Äľ˸øÀÔ´Ï´Ù!! Tesla ¡¦
(2)
2016-04 3990
1
ComAreMot
78965
Áú¹®¼öÁ¤¿ä>¼öÇй®Á¦ (Á¶ÇÕ)
(11)
ȲÁø¿ì
2014-02
3990
0
Áú¹®¼öÁ¤¿ä>¼öÇй®Á¦ (Á¶ÇÕ)
(11)
2014-02 3990
1
ȲÁø¿ì
78964
½ºÅ丮Áö ¼¹ö(?) ±¸¼º °ü·ÃÇÏ¿© Áú¹®µå¸³´Ï´Ù.
(17)
Christopher
2016-01
3990
0
½ºÅ丮Áö ¼¹ö(?) ±¸¼º °ü·ÃÇÏ¿© Áú¹®µå¸³¡¦
(17)
2016-01 3990
1
Christopher
78963
Ȥ½Ã µ¨ ¸ð´ÏÅÍ ¸®ÆÛºñ½Ã ¿ö·±Æ¼°¡ ¾î¶»°Ô µÇ´ÂÁö¿ä?
(4)
handan
2019-03
3990
0
Ȥ½Ã µ¨ ¸ð´ÏÅÍ ¸®ÆÛºñ½Ã ¿ö·±Æ¼°¡ ¾î¶»°Ô¡¦
(4)
2019-03 3990
1
handan
78962
¸ÖƼ ¸ð¹ÙÀÏ ·¢ Àü·Â ¹®ÀÇ
(2)
ÇѼºÈ£
2014-09
3990
0
¸ÖƼ ¸ð¹ÙÀÏ ·¢ Àü·Â ¹®ÀÇ
(2)
2014-09 3990
1
ÇѼºÈ£
78961
Ȥ½Ã ¸¶¿ì½º ¼ö¸® ÀßÇÏ´Â »ç¼³ ¼ö¸®¾÷ü ¾øÀ»±î¿ä?
(5)
À嵿°Ç2014
2018-11
3990
0
Ȥ½Ã ¸¶¿ì½º ¼ö¸® ÀßÇÏ´Â »ç¼³ ¼ö¸®¾÷ü ¡¦
(5)
2018-11 3990
1
À嵿°Ç2014
78960
3¼¼´ë ÅÙ¼ÄÚ¾î?
(3)
skzj
2021-01
3990
0
3¼¼´ë ÅÙ¼ÄÚ¾î?
(3)
2021-01 3990
1
skzj
78959
°¡»ó¸Þ¸ð¸® ÆäÀÌ¡ÆÄÀÏ ¹®ÀÇ
(9)
ÇåÅÍD
2019-05
3990
0
°¡»ó¸Þ¸ð¸® ÆäÀÌ¡ÆÄÀÏ ¹®ÀÇ
(9)
2019-05 3990
1
ÇåÅÍD
78958
·¹À̵å ÄÁÆ®·Ñ·¯ ES ÆǺ°¹ýÀÌ ÀÖ³ª¿ä?
(1)
ÀÌõdz
2016-09
3990
0
·¹À̵å ÄÁÆ®·Ñ·¯ ES ÆǺ°¹ýÀÌ ÀÖ³ª¿ä?
(1)
2016-09 3990
1
ÀÌõdz
78957
½ºÇÇµå ½ºÅDZâ´É..
(2)
Won³«¿¬
2014-03
3990
0
½ºÇÇµå ½ºÅDZâ´É..
(2)
2014-03 3990
1
Won³«¿¬
78956
³°¨ÇÕ´Ï´Ù
(10)
DaVinci
2015-02
3990
0
³°¨ÇÕ´Ï´Ù
(10)
2015-02 3990
1
DaVinci
78955
NAS »ç¿ëÁß º¼·ý Ãæµ¹¿¡ ´ëÇÑ ¹®Àǵ帳´Ï´Ù.
(5)
dongcheol
2017-11
3990
0
NAS »ç¿ëÁß º¼·ý Ãæµ¹¿¡ ´ëÇÑ ¹®Àǵ帳´Ï¡¦
(5)
2017-11 3990
1
dongcheol
1751
1752
1753
(current)
1754
1755
1756
1757
1758
1759
1760
1751
1752
1753
(current)
1754
1755
¸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.