Diode :- Ensures electricity only flows in one di-rection. Useful when you have a motor or other high current/voltage load in your circuit. Diodes are polarized, meaning that the direction that they’re placed in a circuit maters. Placed one way, they allow current to pass through.Placed the other way, they block it. The anode side generally connects to the point of higher energy in your circuit. The cathode typically connects to the point of lower energy, or to ground. The cathode is usually marked with a band on one side of the component’s body.Gels (red, green, blue) - These filter out difer- ent wavelengths of light. When used in con-junction with photoresistors, they cause the sensor to only react to the amount of light in the filtered color. H-bridge :- A circuit that allows you to control the polarity of the voltage applied to a load, usually a motor. The H-bridge in the kit is an intigrated circuit, but it could also be constructed with a number of discrete components. Jum...
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