![]() ![]() ![]() ![]() Again, the only difference between having a common anode and a common cathode is that the common pin within the seven segment LED is connected to five volt if we're using a common anode, and is connected to ground if we're using a common cathode. ![]() Since the seven segment LED has seven LEDs so we need the resistor when we connect the seven segment LED to Arduino. Thank you so much Peter for helping me figure out what's wrong!Īlso the LED Bar I use is 4-Digit 0.36" LED, 7-segments display, common-anode.- So now in this section, we're going to go through the wiring of the seven segment LED to the Arduino board. To fix this, I set the digitPins in reverse and it now shows the proper format.(At this point, the display is showing but in reverse but no more decimal point) (At this point, it shows the number in reverse but with a decimal point in each digit) Turns out my 7-segment is COMMON_ANODE so I changed my hardwareConfig.Sevseg.refreshDisplay() // Must run repeatedly don't use blocking code (ex: delay()) in the loop() function or this won't work right Sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments, updateWithDelays, leadingZeros, disableDecPoint) SevSegShift sevseg(SHIFT_PIN_DS, SHIFT_PIN_SHCP, SHIFT_PIN_STCP, 1, true) īyte digitPins = // these are the PINs of the ** Shift register **īool resistorsOnSegments = false // 'false' means resistors are on digit pinsīyte hardwareConfig = COMMON_ANODE // See README.md for optionsīool updateWithDelays = false // Default 'false' is Recommendedīool leadingZeros = false // Use 'true' if you'd like to keep the leading zerosīool disableDecPoint = false // Use 'true' if your decimal point doesn't exist or isn't connected It was able to power up the seven segments and light up the whole LEDs (even the decimal) but it's not showing the output I want to show.īased on the code below, I want to show the number 500 but it does not. I followed the example properly and tested it to see if it works. I have a question regarding the use of SevSegShift library. ![]()
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