License

GPL 3.0

Tags
IC741
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Automatic Op-amp night light circuit using IC-741

3 years ago 571
  • Description
  • Documents
  • BOM
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Description

We’ve watched a lot of Automatic night light switch circuits. Which I like to use a transistor as the base. But now we let to see Automatic Op-amp night light circuit using IC-741. It is also very simple. As my feelings, It has high sensitivity more than one, and with great high accuracy. Read more : Automatic Op-amp night light circuit using IC-741

Documents

Automatic-night-light-switch-using-741-op-amp

BOM

ID Name Designator Footprint Quantity
1 CB549 Q1 TO-92(TO-92-3) 1
2 9V...12V RY1 Panasonic ALQ Series Form A SPST Relay 1
3 1N4001 D4,D5,D6 DO-35 3
4 1N4148 D3,D2,D1 DO-35 3
5 100K R1,R4 AXIAL-0.3 2
6 4.7K R2 AXIAL-0.3 1
7 330K R3 AXIAL-0.3 1
8 XFMR T1 NONE 1
9 50K VR1 RES-ADJ_3386P 1
10 LM741 IC1 NONE 1
11 0.01uF C1 CAP-TAN-S2.5 1
12 1k LDR1 AXIAL-0.3 1
13 470uF C2 CAP-TAN-S2.5 1
14 3Pole connector 220VAC DIP 1

Attachments

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