Join Zahraa Khalil for an in-depth discussion in this video The 7-segment LED component, part of Learning Arduino: Interfacing with Hardware.
- [Woman] The 7-segment LED…consists of LEDs, light-emitting diodes,…that are arranged in a rectangular fashion.…Each LED within the 7-segment display…is an individual LED that has a cathode and anode side.…An additional LED is sometimes used…to refer to the decimal point.…Each LED has a letter that we refer to when programming.…We use a combination of LEDs to show…the different numbers or letters.…
So, if you want to show zero,…we would turn on the LEDS shown on the left.…And if you want to show one,…we would turn on the LEDs shown on the right.…And the same thing applies to any other number or letter.…This is the layout of the 7-segment LED…that we are going to use in this section.…The top and bottom are the pin numbers,…and each pin is connected to a specific LED.…So pin 7, for example, is connected to LED a.…
And the cc pin is referring to the common pin,…so it's a common cathode or a common anode,…depending on the type.…There are different types of 7-segment LEDs,…and each has its own layout.…The LED letters are in the same places in each one,…
- Interfacing with an LCD screen
- Wiring and coding the LCD interface
- Displaying random numbers on the LCD
- Interfacing with a seven-segment LED component
- Cycling through LEDs
- Using a shift register to interface with a seven-segment LED
- Interfacing with a keypad
- Combining the LCD, keypad, and LED
Skill Level Intermediate
The devices used38s
1. Interface with an LCD
2. Interface with a 7-Segment LED Directly
3. Interface with a 7-Segment LED Using a Shift Register
4. Interface with a Keypad
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