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ÀÌ ½ºÀ§Æ®´Â À½¼º ½ÅÈ£ÀÇ ÀúÀå ¹× º¹¿øÀ» À§ÇØ 20s À½¼º ³ìÀ½ ȸ·Î ISD1820P ¸¦ äÅÃÇÕ´Ï´Ù. ĨÀº CMOS ±â¼úÀ» äÅÃÇÏ°í, Àü·Â ¼Òºñ Á¤º¸´Â 100 ³â µ¿¾È ÀúÀåÇÒ ¼ö ¾ø½À´Ï´Ù. ÁýÀû ȸ·Î ÇÉ ±â´É: 11 ÇÉ Àü¿ø ¾ç±Ø (VCC), 8, 14 ÇÉ ¿¬°á Àü¿ø ³×°ÅƼºê (GND), 1 ÇÉ ±â·Ï Æ÷Æ® (REC), ³ôÀº ¼öÁØÀÇ À¯È¿; rec°¡ ³ô¾ÆÁö¸é Ĩ ³ìÀ½ÀÌ ½ÃÀ۵˴ϴÙ. 2 ÇÉÀº ¿¡Áö Æ®¸®°Å Ç÷¹ÀÌ (Ç÷¹ÀÌ) ÀÔ´Ï´Ù. ÀÌ Æ÷Æ®ÀÇ ¼öÁØÀÌ ³ôÀ¸¸é ĨÀÌ À½¼º Àç»ýÀ» ½ÃÀÛÇÕ´Ï´Ù. Àç»ý ÈÄ Ç÷¹À̸¦ ÇØÁ¦ ÇÒ ¼ö ÀÖ½À´Ï´Ù. 13 ÇÉÀº ³ìÀ½ Ç¥½Ã Æ÷Æ® (Àç±â·Ï) ÀÔ´Ï´Ù. ³ìÈ »óÅ ÀÏ ¶§, ÀÌ Æ÷Æ®´Â ³·°í led¸¦ ±¸µ¿ ÇÒ ¼ö ÀÖ½À´Ï´Ù. 4, 5 ÇÉ ¿¬°á ¸¶ÀÌÅ© ÀÔ·Â Æ÷Æ® (¸¶ÀÌÅ©); 6 ÇÉ ¿¬°á ÀÚµ¿ °ÔÀÎ Á¦¾î (AGC) Æ÷Æ®, 7, 9 ÇÉ ¿¬°á ¶ó¿ìµå ½ºÇÇÄ¿ Ãâ·Â (SP +, SP-), Á÷Á¢ 8 ¿È ÀÌ»óÀÇ ¶ó¿ìµå ½ºÇÇÄ¿°¡ °¡´ÉÇÕ´Ï´Ù. 10 ÇÉ, Áøµ¿ ÀúÇ×±â (ROSC) ¸¦ ¿¬°áÇÏ°í, Áøµ¿ ÀúÇ×À» gnd¿¡ ¿¬°áÇÕ´Ï´Ù. Rosc¿Í ¿¬°áµÈ ¹ßÁø±â ÀúÇ×±â R4 ¸¦ Á¶Á¤Çϸé À½¼º ¼Óµµ¸¦ ¹«´Ü Á¶Á¤ÇÒ ¼ö ÀÖ½À´Ï´Ù. ³ìÀ½ À½¼ºÀÌ ÂªÀ»¼ö·Ï À½ÁúÀÌ Çâ»óµË´Ï´Ù. ±×·¸Áö ¾ÊÀ¸¸é ´õ ³ªºüÁú °ÍÀÔ´Ï´Ù. Âü°í: ÀúÇ×À» ³Ê¹« ÀÛ°Ô Á¶Á¤ÇÏÁö ¸¶½Ê½Ã¿À. 100K ohm ÀÌ»óÀ» ±ÇÀåÇÕ´Ï´Ù.
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1. ÀÛµ¿ Àü¾Ð: DC 3-5V
2.¼ººÐÇ¥:
NO. |
ºÎÇ° À̸§ |
PCB ¸¶Ä¿ |
¸ð¼ö |
¼ö·® |
ºñ°í |
1 |
±Ý¼Ó Çʸ§ ÀúÇ×±â |
R1 |
470ohm |
1 |
|
2 |
±Ý¼Ó Çʸ§ ÀúÇ×±â |
R2 |
100K |
1 |
|
3 |
±Ý¼Ó Çʸ§ ÀúÇ×±â |
R3,R4 |
4.7K |
2 |
|
4 |
IC ¼ÒÄÏ |
U1 |
DIP-14 |
1 |
|
5 |
ISD1820 |
U1 |
DIP-14 |
1 |
¼³Ä¡ IC ¼ÒÄÏ |
6 |
½ºÀ§Ä¡ |
S1,S5 |
3mm |
2 |
|
7 |
³²¼º ÇÉ |
J1 |
5P |
1 |
|
8 |
ÄÉÀ̺í |
|
|
4 |
|
9 |
¼¼¶ó¹Í Ä¿ÆнÃÅÍ |
C1,C2,C3 |
0.1 ¹ÌÅ©·ÎÆ÷¸Ë 104 |
3 |
|
10 |
¼¼¶ó¹Í Ä¿ÆнÃÅÍ |
C5 |
0.001 ¹ÌÅ©·ÎÆ÷¸Ë 102 |
1 |
|
11 |
ÀüÇØ Äܵ§¼ |
C4 |
10 ¹ÌÅ©·ÎÆ÷¸Ë |
1 |
|
12 |
½ºÇÇÄ¿ |
SP |
8ohm 0.5W |
1 |
|
13 |
¸¶ÀÌÅ© |
¸¶ÀÌÅ© |
5mm |
1 |
|
14 |
¹öÆ° |
S2,S3,S4 |
6*6mm |
3 |
|
15 |
LED |
LED |
3mm |
1 |
|
16 |
PCB |
|
45*34mm |
1 |
|
Âü°í:PCB ½ÇÅ© ½ºÅ©¸° ¹× ºÎÇ° ¸ñ·ÏÀ¸·Î ¼³Ä¡¸¦ ¿Ï·á ÇÒ ¼ö ÀÖ½À´Ï´Ù.
![2](https://ae01.alicdn.com/kf/HTB1leKnXIfrK1Rjy1Xdq6yemFXar.jpg)
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