![]() ![]() The test code will count from 0 to 9 on the display, with half a second between each digit. You will need to adjust your pin assignments in the code if using the FLiP. Note: The FLiP wiring diagram uses pins 6-13, not pins 8-15. ![]() Build the circuit for the FLiP using the diagram below:.Build the circuit for Activity Board using the diagram/schematic below (the images show 100 ohm resistors, but use 1k ohm resistors instead):.Or, you can substitute 220 Ω resistors (red-red-brown) if necessary. It’s best to use resistors of the same value so all the segments light up evenly. Any resistor value between 100 Ω and 1 kΩ will work for the LED resistor and the lower the resistance, the brighter the segment. When each I/O pin is set to high (outputs 3.3 V), the LED it is connected to lights up. ![]() This tutorial will show you exactly how to control the display, and use it to count.Įach individual LED in the 7-segment display needs a resistor between it and the Propeller’s I/O pin. This display uses seven LEDs arranged in a special pattern that makes it possible to show any number from 0 to 9. You can find these in many products that need to display numbers in a simple way, like clocks, kitchen appliances, or digital scales. A 7-segment display is a great way to display numbers using your Propeller. ![]()
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