If it requires power, you need to know how much, what all the pins do, and how to hook it up. You may need to reference datasheets, schematics, and know the ins and outs of electronics.
Skill Level: Competent - You will be required to reference a datasheet or schematic to know how to use a component. Your knowledge of a datasheet will only require basic features like power requirements, pinouts, or communications type. Also, you may need a power supply that?s greater than 12V or more than 1A worth of current.
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I am happy of this product that I can put easily on my breadboard. I am able to activate each individual segment and the dot (the one at the right). The luminous intensity of each LED is good. The datasheet is very useful and contains correct information about this 7-segment display. I just found a typo to fix: "Forward curret" -> "Forward current". You can connect the pin 3 or 8 to +5V but don't forget the resistor between each pin LED and the GND. You can use a 150 ohms resistor (R = (U - Uled) / I = (5 - 2) / 0.020 = 3 / 0.020 = 150 ohms).