led power supplies 5 v Related Products

CE: SUPERNIGHT(TM) 100V - 240V To DC 12V 5A Switching Power Supply Adapter For LED strip Light - SUPERNIGHT(TM)

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Home Improvement: hkbayi wholesale 44key Wireless IR Remote Controller + 12V 5A Power Supply for 3528 5050 RGB LED Strip Light lights - hkbayi

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Beauty: AC 60-250V EU Plug LED Tattoo Power Supply w Footswitch w Clipcord - Rosallini

Home Improvement: ROBERTSON 3P30007 LD010C035LRA LED Driver, 2.5 - 8 Watt, 120Vac. Input, 350 mA Constant Current, 7.2-27Vdc Output, Power Factor Corrected, (Formerly LDPN3008C35120L) - Robertson Worldwide

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Led Power Supplies 5 V Popular Q&A

Q: What resistor should i use if i have a 5v power supply and need t...
A: V resistor = V supply - V LED = 5 - 3.5 = 1.5 V. I resistor = 0.28 A. R = V/I = 1.5/0.28 = 5.36 ohm (use 5.1 or 5.6 ohm) Wattage = I x V = 0.28 x 1.5 = 0.42 wat... Read More »

Q: How to Design a 5V DC Power Supply.
A: 1. Consider any project requirements that may limit the power supply design, such as portability, size, weight and cost. A hand-held device should use a small, ... Read More »

Q: How to Make Precision 5V Power Supply.
A: 1. Solder one leg of the 0.22 microfarad capacitor to the positive lead of the battery clip. 2. Solder the other leg of the 0.22 microfarad capacitor to the #2 ... Read More »

Q: How to Construct a Simple 5V DC Power Supply.
A: 1. Consider one wire from the AC adapter the positive terminal. Consider the other wire ground. At this point it does not matter which one you choose to be posi... Read More »

Q: How to Construct a Simple 5V DC Power Supply
A: 1 Consider one wire from the AC adapter the positive terminal . Consider the other wire ground. At this point it does not matter which one you choose to be posi... Read More »