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Guide :Home Security : Security Simon 3 Wireless Home Security System

What resistor is required?

Just received my new Ge Simon XT and the siren (13-950) should have come with a 4.7k resistor. I want to buy one but turns out I dont know what watt I need, can you help?

Research, Knowledge and Information :

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Choosing the Resistor to Use With LEDs: 3 Steps

Intro: Choosing the Resistor to Use With LEDs. This question gets asked every day in Answers and the Forums: ... That's why no resistor was required ...
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LED Resistor Calculator | Resistor Value for LED's Circuit ...

LED Resistor Calculator | Required Value of Resistor for LED's Circuit Calculator
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Dropping Resistor Calculator | GTSparkplugs

The Dropping resistor calculator works for things like running LED's from different voltages. ... Required Dropping Resistor - The Series Resistor in OHMS
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LED Series Resistor Calculator - Hobby Hour

LED Series Resistor Calculator ... To get started, input the required values and hit the "Calculate" button. The program will draw a small schematic, ...
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Resistor - Wikipedia

A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element. In electronic circuits, ... [citation needed]
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LED calculator for single LEDs

LED calculator. This is the new ... good for when you have a single LED and need to know "what resistor should I use with my LED?" This calculator determines that for ...
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Resistors for LEDs - Evil Mad Scientist Laboratories

Evil Mad Scientist Laboratories ... Using a resistor for a ... Specialized types like high power LEDs may have somewhat different characteristics and requirements.
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voltage - Resistor required for capacitor? - Electrical ...

I'm currently working on some simple circuits to learn about circuitry, and being a Physics major I have a pretty good grasp of the mathematics and concepts, but I'm ...
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LED Resistor Calculator

To calculate the resistor needed for a simple LED circuit, simply take the voltage drop away from the source voltage then apply Ohm's Law. In other words...
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LED Current Limiting Resistors - SparkFun Electronics

or simply use this online calculator: Required Value of Resistor for LED’s Circuit Calculator. ... 6 pins for 5 current-limiting resistors, ...
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