ARDX-experimenters-g.. - Oomlout

04 ELECelectronicsprimer.: A Small Electronics Primer:.Electronics in BriefNo previous electronic experience is required to have fun with this kit. Here are a few detailsabout each component to make identifying, and perhaps understanding them, a bit easier. If atany point you are worried about how a component is used or why its not working the internetoffers a treasure trove of advice, or we can be contacted at help@oomlout.comComponent DetailsLED(Light Emitting Diode)What it Does:No. of Leads:Emits light when a small current is passed 2 (one longer this one connects to positive)through it. (only in one direction)Things to watch out for:Identifying: - Will only work in one directionLooks like a mini light bulb. - Requires a current limiting resistorMore Details on Wikipedia:http://tinyurl.com/zhpyvDiode What it Does: No. of Leads:The electronic equivalent of a one way 2valve. Allowing current to flow in one Things to watch out for:direction but not the other. - Will only work in one direction (current willIdentifying:flow if end with the line is connected to ground)Usually a cylinder with wires extending from More Details on Wikipedia:either end. (and an off center line indicating polarity)http://tinyurl.com/ysz57bResistorsWhat it Does: No. of Leads:Restricts the amount of current that can flow 2through a circuit.Things to watch out for:Identifying: - Easy to grab the wrong value (double checkCylinder with wires extending from eitherthe colors before using)end. The resistance value is displayed using More Details on Wikipedia:a color coding system (for details see next http://tinyurl.com/cmeqw5page)Transistor What it Does: No. of Leads:Uses a small current to switch or amplify a 3 (Base, Collector, Emitter)much larger current.Things to watch out for:Identifying: - Plugging in the right way round.(also aComes in many different packages but youcurrent limiting resistor is often needed on the base pin)can read the part number off the package. More Details on Wikipedia:(P2N2222AG in this kit and find a datasheet online) http://tinyurl.com/eazknHobby ServoWhat it Does:No. of Leads:Takes a timed pulse and converts it into an 3angular position of the output shaft.Things to watch out for:Identifying: - The plug is not polarized so make sure itA plastic box with 3 wires coming out one is plugged in the right way.side and a shaft with a plastic horn out the More Details:top. http://tinyurl.com/4zo4heDC Motor What it Does: No. of Leads:06Spins when a current is passed through it. 2Identifying:Things to watch out for:This one is easy, it looks like a motor. Usually - Using a transistor or relay that is rated fora cylinder with a shaft coming out of one the size of motor you're using.endMore Details on Wikipedia:http://tinyurl.com/d826yh