dilshan / Simple LED Night Light with Dimmer

Project Information

Description
Simple and easy to build LED night light with dimmer. This system can be used to drive 10W to 60W power LEDs with 12V - 30V DC input.
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Schematic and PCB Layout

Bill of Materials

Reference
Description
Manufacturer
Part Number
Package
Verified
Actual Part
Qty
Unit Cost
Order Qty
Total Cost
D1 1N4004 Fairchild Semiconductor Corporation 1N4004 No Digi-key Number 1 ?? 0 0
D10, D7, D2, D5, D6, D8, D4, D3, D9 LED Bridgelux LED No Digi-key Number 9 ?? 0 0
U2 3-Terminal 3A Positive Adjustable Voltage Regulator Fairchild Semiconductor Corporation LM350 TO-220 No Digi-key Number 1 ?? 0 0
R2 Generic Resistor (120R) Generic Resistor (120R) No Digi-key Number 1 ?? 0 0
R9 Generic Resistor (68K) Generic Resistor (68K) No Digi-key Number 1 ?? 0 0
V1 Generic Controlled Voltage Source Generic 12V - 30V DC No Digi-key Number 1 ?? 0 0
C2 0.047MFD - 63V Panasonic Capacitor No Digi-key Number 1 ?? 0 0
C1 0.1MFD - 63V Panasonic Capacitor No Digi-key Number 1 ?? 0 0
R10 Generic Resistor (56K) Generic Resistor (56K) No Digi-key Number 1 ?? 0 0
Q1 MPSA42 Fairchild Semiconductor Corporation MPSA42 No Digi-key Number 1 ?? 0 0
R7 PerkinElmer Photoconductive Cell No Digi-key Number 1 ?? 0 0
R3 Generic Resistor (2.7K) Generic Resistor (2.7K) No Digi-key Number 1 ?? 0 0
U5 Pulse Width Modulation Controller ON Semiconductor TL494CNG DIP-16 No Digi-key Number 1 ?? 0 0
R1 Generic Resistor (820R) Generic Resistor (820R) No Digi-key Number 1 ?? 0 0
R5 Generic Resistor (27R) Generic Resistor (27R) No Digi-key Number 1 ?? 0 0
SW1 A8L-11-11N1 SPST Rocker Switch Omron Electronics SPST No Digi-key Number 1 ?? 0 0
R6 Generic Resistor (5.6K) Generic Resistor (5.6K) No Digi-key Number 1 ?? 0 0
R8 3386P-1-203LF Bourns 20K LIN PRESET No Digi-key Number 1 ?? 0 0
R4 P11S1V0FLSY00502KL Vishay 5K POT LOG No Digi-key Number 1 ?? 0 0
Q2 TIP122 Fairchild Semiconductor Corporation TIP122 No Digi-key Number 1 ?? 0 0

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