Skip navigation
(732)
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ»¡¦
(230)
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀΡ¦
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
¸ñ·Ï
¾²±â
¸ñ·Ï
Àü¾Ð¼¾¼ °ü·Ã
¹Ú³²±Ô
2015-08
2015-08-13 11:33:12
Á¶È¸ 3972 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
1759/5700
¹øÈ£
Á¦¸ñ
Page 1759/5700
±Û¾´ÀÌ
³¯Â¥
Á¶È¸
̵̧
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(732)
Á¤ÀºÁØ1
2014-05
5046901
0
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(732)
2014-05 5046901
1
Á¤ÀºÁØ1
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(ver2.0)
(230)
¹é¸Þ°¡
2015-12
1583241
25
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(¡¦
(230)
2015-12 1583241
1
¹é¸Þ°¡
78827
dell t5500»ç¿ëÁß cpuÀνÄÀÌ ÀÌ»óÇÏ¿© Áú¹®µå¸³´Ï´Ù
(2)
Ãֽÿµ
2015-10
3973
0
dell t5500»ç¿ëÁß cpuÀνÄÀÌ ÀÌ»óÇÏ¿© Áú¡¦
(2)
2015-10 3973
1
Ãֽÿµ
78826
dc to dc VS pico psu
(3)
±è½ÂÇö1
2020-06
3973
0
dc to dc VS pico psu
(3)
2020-06 3973
1
±è½ÂÇö1
78825
Àú±â.. Ȩ ¿ìÃøÇÏ´Ü¿¡ ¾Æ´ã ¼îÇα¤°í ¸ðµ¨ Àü¹øÁ¡.,...
(3)
À̽ÃÇ»
2015-02
3973
0
Àú±â.. Ȩ ¿ìÃøÇÏ´Ü¿¡ ¾Æ´ã ¼îÇα¤°í ¸ðµ¨¡¦
(3)
2015-02 3973
1
À̽ÃÇ»
78824
õÀç Áß¿¡¼...
(6)
±è¿µ±â
2018-06
3973
0
õÀç Áß¿¡¼...
(6)
2018-06 3973
1
±è¿µ±â
78823
NAS »ç¿ëÁß º¼·ý Ãæµ¹¿¡ ´ëÇÑ ¹®Àǵ帳´Ï´Ù.
(5)
dongcheol
2017-11
3973
0
NAS »ç¿ëÁß º¼·ý Ãæµ¹¿¡ ´ëÇÑ ¹®Àǵ帳´Ï¡¦
(5)
2017-11 3973
1
dongcheol
78822
¿öµåÇÁ·¹½º À¯·á Å׸¶ ¶óÀ̼¾½º ¹®Àǵ帳´Ï´Ù.
(2)
ǪÇÏÈ÷
2017-06
3973
1
¿öµåÇÁ·¹½º À¯·á Å׸¶ ¶óÀ̼¾½º ¹®Àǵ帳¡¦
(2)
2017-06 3973
1
ǪÇÏÈ÷
78821
[ÇØ°á] À¢µð 1t wd10ezex ÇÏµå ¿ë·® 31mb Ç¥½Ã ¹®Á¦ µµ¿ò ¿äûµå¸³´Ï´Ù.
(1)
1CPUÁöâÈÆ
2019-07
3973
0
[ÇØ°á] À¢µð 1t wd10ezex ÇÏµå ¿ë·® 31mb ¡¦
(1)
2019-07 3973
1
1CPUÁöâÈÆ
78820
windows server 2012 r2 standard Æò°¡ÆÇ ¼³Ä¡½Ã...
(2)
ÆÎÇÎdzÆØÆþ
2016-09
3974
0
windows server 2012 r2 standard Æò°¡ÆÇ ¡¦
(2)
2016-09 3974
1
ÆÎÇÎdzÆØÆþ
78819
Àß »ç¿ëÇÏ´ø ³ëÆ®ºÏÀÌ ¾î´À³¯ °©ÀÚ±â Àü¿øÀÌ ¾ÈÄÑÁø´Ù¸é.....
(9)
³ë°¡¸®°Ãß
2017-11
3974
0
Àß »ç¿ëÇÏ´ø ³ëÆ®ºÏÀÌ ¾î´À³¯ °©ÀÚ±â Àü¿ø¡¦
(9)
2017-11 3974
1
³ë°¡¸®°Ãß
78818
³×xx ¾ß±¸Áß°è ²÷±è ÇØ°áÃ¥ ?
(2)
hurricane
2016-07
3974
0
³×xx ¾ß±¸Áß°è ²÷±è ÇØ°áÃ¥ ?
(2)
2016-07 3974
1
hurricane
78817
ƯÁ¤»çÀÌÆ® Á¢¼ÓºÒ°¡
(3)
À̴Ͻºii
2017-05
3974
0
ƯÁ¤»çÀÌÆ® Á¢¼ÓºÒ°¡
(3)
2017-05 3974
1
À̴Ͻºii
78816
ºñÇÁÀ½ °ü·Ã Áú¹®µå¸³´Ï´Ù..
(12)
NickName123
2016-08
3974
0
ºñÇÁÀ½ °ü·Ã Áú¹®µå¸³´Ï´Ù..
(12)
2016-08 3974
1
NickName123
78815
°¡Á¤ ³», ±â°¡ ºø ±¸¼º Áú¹® ÀÔ´Ï´Ù.
(8)
PARKYONGJOON
2014-08
3974
0
°¡Á¤ ³», ±â°¡ ºø ±¸¼º Áú¹® ÀÔ´Ï´Ù.
(8)
2014-08 3974
1
PARKYONGJOON
78814
CSE-823MTQ-R700LPB ¼ÒÀ½ ¾ó¸¶³ª µÉ±î¿ä?
(8)
PAMA¸Ó¸®
2016-10
3974
0
CSE-823MTQ-R700LPB ¼ÒÀ½ ¾ó¸¶³ª µÉ±î¿ä?
(8)
2016-10 3974
1
PAMA¸Ó¸®
78813
Ȥ½Ã ¿ä·¸°Ô »ý±ä ÄÉÀ̺í(4pin female to female) ±¸ÇÒ¼öÀִµ¥°¡ ÀÖÀ»±î¿ä???
(6)
rÀ̽¿ør
2016-11
3974
0
Ȥ½Ã ¿ä·¸°Ô »ý±ä ÄÉÀ̺í(4pin female to ¡¦
(6)
2016-11 3974
1
rÀ̽¿ør
78812
[ ¸®´ª½º - VIM ] ¹öÆÛ/ÅÇ/À©µµ¿ì Â÷ÀÌÁ¡ ¼³¸í Á» ºÎŹ µå·Á º¾´Ï´Ù.
(2)
Àü¼³¼ÓÀǹ̡¦
2019-10
3974
0
[ ¸®´ª½º - VIM ] ¹öÆÛ/ÅÇ/À©µµ¿ì Â÷ÀÌÁ¡ ¡¦
(2)
2019-10 3974
1
Àü¼³¼ÓÀǹ̡¦
78811
À̹ÌÁö ½á¹ö ÀÌ°Ç ¾îµð¼ ¿Ã·ÈÁÒ?
(4)
³ªÆÄÀÌ°½ÂÈÆ
2017-03
3974
0
À̹ÌÁö ½á¹ö ÀÌ°Ç ¾îµð¼ ¿Ã·ÈÁÒ?
(4)
2017-03 3974
1
³ªÆÄÀÌ°½ÂÈÆ
78810
ÀߵǴø Dual Monitor Áß ÇÑ ÂÊÀÌ ÀνÄÀÌ ¾ÈµË´Ï´Ù.
(6)
NeOpLE
2018-02
3974
0
ÀߵǴø Dual Monitor Áß ÇÑ ÂÊÀÌ ÀνÄÀÌ ¡¦
(6)
2018-02 3974
1
NeOpLE
78809
º¸µå¸¦ ¿À·§µ¿¾È ¾È¾²¸é ¹ÙÀÌ¿À½º°¡ ³¯¶ó°¥ ¼ö ÀÖÀ»±î¿ä?
(9)
¹Ý¼º¸¸
2019-03
3974
0
º¸µå¸¦ ¿À·§µ¿¾È ¾È¾²¸é ¹ÙÀÌ¿À½º°¡ ³¯¶ó¡¦
(9)
2019-03 3974
1
¹Ý¼º¸¸
78808
·¹À̵å ÄÁÆ®·Ñ·¯ ES ÆǺ°¹ýÀÌ ÀÖ³ª¿ä?
(1)
ÀÌõdz
2016-09
3974
0
·¹À̵å ÄÁÆ®·Ñ·¯ ES ÆǺ°¹ýÀÌ ÀÖ³ª¿ä?
(1)
2016-09 3974
1
ÀÌõdz
1751
1752
1753
1754
1755
1756
1757
1758
1759
(current)
1760
1756
1757
1758
1759
(current)
1760
¸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.