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Hall sensor 2 x transistor

1 month ago 29
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
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Description

The objective is to set of an alarm when water flow stops. Using a Hall water flow sensor which outputs a square wavethat varies from 0 to 5V.

Documents

Sheet_1

PCB_2020-09-05_16-53-05

BOM

ID Name Designator Footprint Quantity
1 MOLEX 3P J1 MOLEX SCREW TERMINAL 3P-5MM 1
2 BUZZER SG1 BUZZER-CCV-KIT 1
3 0.1u C1 C0201 1
4 Relay 12V JQC-3FF-S-Z K1 RELAY-TH_HT3F-DCXX-X/X 1
5 2n2222 Q2,Q1 TO-92(TO-92-3) 2
6 3.3K R3 R_AXIAL-0.3 1
7 270 R4 R_AXIAL-0.3 1
8 100R 1W R1 R_AXIAL-0.3 1
9 10K R2 R_AXIAL-0.3 1
10 UF4003 D1 SOD-123_L2.8-W1.8-LS3.7-RD 1
11 LED-3MM LED2 LED-3MM/2.54 1

Attachments

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