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Pocket-Size Reading Lamp

Pocket-Size Reading Lamp

+

8

6

3

4

IC1

7555

7

2

1

5

OUT

VCC

R

THR

GND

TR

DIS

R1

33K

R2

33K

D1

C1

0.001μ

T1

2N7000

LED1

R3

47Ω

D4

*L1

S1

ON/OFF

SWITCH

2x3V

BUTTON

CELLS

D3

C4

47μ

10V

C3

100n

D1 - D2 = 1N4148

D3-D4 = 1N4001

LED1-LED7 = WHITE LEDs

*TESTING IS DONE WITH A FIX 200μH INDUCTOR

C2

10n

D2

LED2

LED3

LED4

LED5

LED6

LED7

Pocket-Size Reading Lamp

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0
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publish time: 2020-09-29
Circuit Everyday

This mini reading light combines the advantages of lithium button batteries and white LEDs. The white LED is super bright, the lithium battery is small and the service life is long.

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