Skip navigation
(727)
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ»¡¦
(228)
(±¤°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¸ 3895 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
2837/5686
¹øÈ£
Á¦¸ñ
Page 2837/5686
±Û¾´ÀÌ
³¯Â¥
Á¶È¸
̵̧
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(727)
Á¤ÀºÁØ1
2014-05
4986898
0
[Çʵ¶] óÀ½ ¿À½Ã´Â ºÐÀ» À§ÇÑ ¾È³»
(727)
2014-05 4986898
1
Á¤ÀºÁØ1
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(ver2.0)
(228)
¹é¸Þ°¡
2015-12
1522861
25
(±¤°í) ´ÜÅë¹ý ½Ã´ëÀÇ ÀÎÅͳݰ¡ÀÔ °¡À̵å(¡¦
(228)
2015-12 1522861
1
¹é¸Þ°¡
56999
ÀÌ ·¹À̵å Ä«µå À̸§ÀÌ ¹«¾ùÀΰ¡¿ä ?
(4)
¹Î»çÀå
2022-12
1644
0
ÀÌ ·¹À̵å Ä«µå À̸§ÀÌ ¹«¾ùÀΰ¡¿ä ?
(4)
2022-12 1644
1
¹Î»çÀå
56998
Çϵå C ¿ë·®ÀÌ °©Àڱ⠴þ¼ È®ÀÎÇØ º¸´Ï ÀÌ·±°Ô »ý°å³×¿ä;;;
(5)
ºí·ç¿µ»ó
2017-08
4052
0
Çϵå C ¿ë·®ÀÌ °©Àڱ⠴þ¼ È®ÀÎÇØ º¸¡¦
(5)
2017-08 4052
1
ºí·ç¿µ»ó
56997
windows 2012 2VM ¶óÀ̼±½º ¹®ÀÇ
(2)
ºó°æÀ±
2020-01
2733
0
windows 2012 2VM ¶óÀ̼±½º ¹®ÀÇ
(2)
2020-01 2733
1
ºó°æÀ±
56996
usb ¸®ÇÇÅÍ or Çãºê?
(2)
akfalles
2014-03
5677
0
usb ¸®ÇÇÅÍ or Çãºê?
(2)
2014-03 5677
1
akfalles
56995
À̺£ÀÌ¿¡¼ ¹°°Ç ÆÄ´Â°Í ¾î¶»°Ô ÇÏ¸é µÉ±î¿ä?
(3)
¹Ì¼ö¸Ç
2015-07
3974
0
À̺£ÀÌ¿¡¼ ¹°°Ç ÆÄ´Â°Í ¾î¶»°Ô ÇÏ¸é µÉ±î¡¦
(3)
2015-07 3974
1
¹Ì¼ö¸Ç
56994
[¹®ÀÇ]MediaCreationToolx64
(2)
Æ۽̱Û
2016-08
4045
0
[¹®ÀÇ]MediaCreationToolx64
(2)
2016-08 4045
1
Æ۽̱Û
56993
±ÞÁú¹®ÀÔ´Ï´Ù. °æ±âµµ ¿¬Ãµ¿¡¼ DP to Hdmi ÄÉÀÌºí »ì °÷ÀÌ ÀÖÀ»±î¿ä?
(4)
¾Óµå·¹ÁØ
2018-11
3695
0
±ÞÁú¹®ÀÔ´Ï´Ù. °æ±âµµ ¿¬Ãµ¿¡¼ DP to Hdm¡¦
(4)
2018-11 3695
1
¾Óµå·¹ÁØ
56992
±¸Çü 50ÇÉ ½ºÄ«½ÃÇϵå Á¡ÆÛ¿¡ ´ëÇØ
(3)
2CPUÃÖÁÖÈñ
2015-07
3773
0
±¸Çü 50ÇÉ ½ºÄ«½ÃÇϵå Á¡ÆÛ¿¡ ´ëÇØ
(3)
2015-07 3773
1
2CPUÃÖÁÖÈñ
56991
[ ¾Ë¸® ÀͽºÇÁ·¹½º ] ¶óµð¿À Ãßõ ¹®ÀÇ
(6)
Àü¼³¼ÓÀǹ̡¦
2017-08
4744
0
[ ¾Ë¸® ÀͽºÇÁ·¹½º ] ¶óµð¿À Ãßõ ¹®ÀÇ
(6)
2017-08 4744
1
Àü¼³¼ÓÀǹ̡¦
56990
³ëÆ®7¿¡ IR¼¾¼ ÀÖ³ª¿ä ?
(2)
ĵÀ§µå
2016-08
11288
0
³ëÆ®7¿¡ IR¼¾¼ ÀÖ³ª¿ä ?
(2)
2016-08 11288
1
ĵÀ§µå
56989
t7820 ¸Þ¸ð¸® ¾÷±×·¹À̵å½Ã ¼·Î ´Ù¸¥ »çÀÌÁî °ü·Ã
(4)
°ÇÁ·Î
08-13
719
0
t7820 ¸Þ¸ð¸® ¾÷±×·¹À̵å½Ã ¼·Î ´Ù¸¥ »ç¡¦
(4)
08-13 719
1
°ÇÁ·Î
56988
»ï¼º ddr4 64gb ecc ·¥À» ¸¹ÀÌ ±¸ÇؾßÇϴµ¥¿ä ¾îµð¼ ±¸ÇÒ ¼ö ÀÖ³ª¿ä?
(2)
·¥½ÊÅ׶ó
2020-01
3210
0
»ï¼º ddr4 64gb ecc ·¥À» ¸¹ÀÌ ±¸ÇؾßÇϴ¡¦
(2)
2020-01 3210
1
·¥½ÊÅ׶ó
56987
ÀûÀº¿ë·®ÀÇ ÀúÀåÀåÄ¡, »ç¿ëó°¡ ÀÖÀ»±î¿ä?
(10)
LevinF
2022-12
1576
0
ÀûÀº¿ë·®ÀÇ ÀúÀåÀåÄ¡, »ç¿ëó°¡ ÀÖÀ»±î¿ä?
(10)
2022-12 1576
1
LevinF
56986
¸ÞÀκ¸µå ü°á³ª»ç À§Ä¡º¯°æ
(2)
alphq6489
08-15
977
0
¸ÞÀκ¸µå ü°á³ª»ç À§Ä¡º¯°æ
(2)
08-15 977
1
alphq6489
56985
½Ã°ÔÀÌÆ® 8Å׶ó Çϵåµð½ºÅ© Áú¹® ÇÕ´Ï´Ù
(5)
ÀüÁø
2018-11
2615
0
½Ã°ÔÀÌÆ® 8Å׶ó Çϵåµð½ºÅ© Áú¹® ÇÕ´Ï´Ù
(5)
2018-11 2615
1
ÀüÁø
56984
9300-8i SAS ÀÎ½Ä ¹®Á¦... (¿©·¯ Å×½ºÆ®ÈÄ )
(4)
¹«¹ýÀÚ
08-20
886
0
9300-8i SAS ÀÎ½Ä ¹®Á¦... (¿©·¯ Å×½º¡¦
(4)
08-20 886
1
¹«¹ýÀÚ
56983
ȸ»ç¿¡¼ (Á÷¿øÀÇ ÀÔÀå¿¡¼) »ç¿ëÇÏ´Â SSD¿¡ ´ëÇÏ¿©
(33)
¾¾Çü
2016-08
4610
0
ȸ»ç¿¡¼ (Á÷¿øÀÇ ÀÔÀå¿¡¼) »ç¿ëÇÏ´Â SSD¡¦
(33)
2016-08 4610
1
¾¾Çü
56982
SATAIII SSD ÇÖ½º¿Ò º£ÀÌ ½á¼ ·¹À̵å ÇÏ½Ç ºÐµé ÇÊ°ß
(3)
¸¶ÀÌÄÚÄÚ
2012-03
6237
0
SATAIII SSD ÇÖ½º¿Ò º£ÀÌ ½á¼ ·¹À̵å ÇÏ¡¦
(3)
2012-03 6237
1
¸¶ÀÌÄÚÄÚ
56981
¼¹ö ¸ÞÀκ¸µå Áú¹®µå¸³´Ï´Ù.
(14)
¹æoÈ¿o¹®
2012-03
5213
0
¼¹ö ¸ÞÀκ¸µå Áú¹®µå¸³´Ï´Ù.
(14)
2012-03 5213
1
¹æoÈ¿o¹®
56980
HP Z820 µå¶óÀ̹ö ¼³Ä¡ °ü·Ã
(6)
handan
2014-04
6147
0
HP Z820 µå¶óÀ̹ö ¼³Ä¡ °ü·Ã
(6)
2014-04 6147
1
handan
2831
2832
2833
2834
2835
2836
2837
(current)
2838
2839
2840
2836
2837
(current)
2838
2839
2840
¸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.