Optical LED Small Night Light Kit

$14.90

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Optical LED Small Night Light Kit

$14.90

SKU: 32597386251 Categories: ,

Features:
  • Working Voltage: 220V
  • Power Consumption: 1W
  • PCB Size: 25*58mm
  • Kit Dimensions: 85*55*32 mm

Schematics:

R1, C1 constitute RC Buck circuit (non-isolated buck), R2 limiting; D1 ~ D4 constitute a bridge rectifier circuit, D5 voltage stable at 24V; Q1 load LED (L1 ~ L4) switching regulator, C2 filtering.

When daylight is strong, sensitive resistor R5 low resistance state, then Q1 basic voltage of approximately 0V, Q1 off, LED does not light.

Evening light dimmed, light-sensitive resistor R5 high-impedance state, 24V voltage is applied to the base of Q1 through R4, Q1 turns on, LED light.

CON- L light-controlled LED small night light, control the luminous intensity of LED through the photosensitive resistance inducing the strength of the ambient light, it shuts down automatically during the day and opens automatically at night.

Three. Circuit schematics

8

Component list

Component

Type

Label

Number

Component

Type

Label

Number

   Resistance2R2R31Wire50mm22
 680RR21ScrewsM2.3*644
 150KR41Heat shrinkable tubeF2*20mm11
 680KR11PCB25*62mm11
Photoresistor5528R51Front cover56*88mm11
Capacitor10uF /25VC21Cover56*88mm11
 274/400VC11Shade111
Diodes1N4007D1~D44Flu mask111
Zener diodeST 24VD51Trim111
LEDF5L1~L44Sheet metal222
Transistor9014Q11InstructionsA411

 

Please Note: Due to the use of non-isolated step-down circuit, so the night light after power, the board will still be higher voltage with, please do not touch circuit boards and related components to prevent electric shock!

 

2

Assemble Steps:
A. Shell Assembling

  1. Install the plug plate
    3525-des-13525-des-2
  2. Plus tin solder with the bottom of the plug plate bottom
    3525-des-3
  3. Install the Lampshade, Decoration Strip, Reflectors to the corresponding position3525-des-4
    B. PCB Welding Steps
  4. Make the shrink tube cover the photoresistor pin, then heating the shrink tube with the soldering iron or lighter

3525-des-53525-des-6
2. Weld Cable

3525-des-7

3525-des-8
3. The wire and iron sheet should be welded together

3525-des-9
4. Fixing screws

3525-des-10
5. Assemble the front and back cover together by screws

3525-des-113525-des-12

Comments

comments

Weight0.05 kg
Dimensions15 × 12 × 10 mm
Condition

New

Type

Logic ICs

Supply Voltage

AC 220V

Brand Name

IS

Operating Temperature

-20 ~ 60 Celsuis

is_customized

Yes

Model Number

CON-L Night-Light Kit

Dissipation Power

1W

Application

Electronic Circuit

Power Consumption

1W

PCB Size

25*58mm

Kit Dimensions

85*55*32 mm

Use

diy electronic kit electronique

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