>USB LED Light Desktop This is USB LED Light Desktop electro suite, taken from the circuitstoday, this suite can be used to light your desktop when you got the power failure, it’s very simple USB power lamp.
Components
- 1x USB Port Male
- R1 = 560 Ω
- R2 = 22 Ω / 1 W
- R3 = 1 kΩ
- D1, D2 = 1N4007
- D3, D4, D5 = LED
- Q1 = BC558
- C1 = 0,01 µF
- B1 = Battery 2×1,2V NiCad Cells
- S1 = Switch
Electro Suite
USB LED Light Desktop - CircuitsToday
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