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Basic electronics circuit schematic for full-wave bridge rectifier with diodes.
USB TTL 9V Stepdown Voltmeter Male Multi Module DIY Gadget
Build a dual adjustable power supply with used laptop chargers
Arduino-based Switching Voltage Regulators
Regulated Linear DC Power Supply
Portable Solar-Powered USB Charger/Cigar Box
Low-cost bare-bones bench power supply
Step-down LED Driver (Up to 36V Input with Sleep Feature)
Two circuits of switched mode power supply based on the 555 timer
DIY 100W Bulb Using Chinese LED Chip (CAREFUL)
Posted:Apr 21, 2009
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