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Public Domain

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Sensor de presença

2 years ago 486
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

É um circuito que detecta a presença de um objeto sobre o led e o sensor infravermelhos, na montagem original foram utilizados os TIL32 e TIL78 para tais funções.

Documents

Sheet_1

PCB_1

BOM

ID Name Designator Footprint Quantity Manufacturer Part Mounted
1 Fototransistor Q1 LED INFRAROJO 5MM 1 Fototransistor Yes
2 TIL32 LED1 LED-5MM/2.54 1 5AR2ST10 Yes
3 470 R1 AXIAL-0.3 1 ? Yes
4 10k R2,R8 AXIAL-0.3 2 ? Yes
5 2k2 R3 AXIAL-0.3 1 ? Yes
6 4k7 R4,R6 AXIAL-0.3 2 ? Yes
7 LM339N U1 DIP-14 1 LM339N Yes
8 100k R5 RES-ADJ_3386P 1 3386P-1-101LF Yes
9 1k R7 AXIAL-0.3 1 ? Yes
10 100n C1 RAD-0.1 1 ? Yes
11 555_BJT_EE U2 DIP8 1 ? Yes
12 BC547 Q3,Q4 TO-92(TO-92-3) 2 2N3904 Yes
13 BUZZERHNB09A03 BUZZER1 DIP-BUZZER-9X5.5 1 buzzerHNB09A03 Yes
14 USB-B-Female-TH_C46393 USB1 USB-M-49 1 USB-B-Female-90-TH Yes

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