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Connecting a led
100 pcs 1000 ohm Resistors /Use 3V LEDs or Bulbs on 16V | eBay
led - Resistor requirement for 3.3 V supply - Electrical Engineering Stack Exchange
EDGELEC 100pcs 3mm Warm White LED Light Emitting Diodes (White Lens) Diffused Round Lens 29mm Lead
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Amazon.com: EDGELEC 100pcs 5mm White Lights LED Diodes Clear Round Lens 29mm Long Lead (DC 3V) +100pcs Resistors (for DC 6-12V) Included, Bright Bulb Lamps Light Emitting Diode : Industrial & Scientific
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The resistor
Peel 'N Stick LED w/ Resistor (15 pcs) 3V (20mA) - Chicagoland Hobby
Cheapest 8mm Led Metal Brass No Resistor. 3v, 6v, 12v, 110v, 220v, Red, Green, Yellow, Blue Indicator Light Pilot Lamp - Indicator Lights - AliExpress
LED Resistor Calculator
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Simple Basic LED Circuit (How to Use LEDs) : 4 Steps - Instructables
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led - Resistor requirement for 3.3 V supply - Electrical Engineering Stack Exchange
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Simple Basic LED Circuit (How to Use LEDs) : 4 Steps - Instructables
Guide to LEDs and resistors
L1: Turning on an LED - Physical Computing
