R repeat displaying even when pressing different buttons in a rapid manner

[YUDHPK]

If you have handling problems or questions, consider to open a discussion https://github.com/Arduino-IRremote/Arduino-IRremote/discussions instead of an issue.

Bug Report

Board

• [x] Arduino ATmega328* board (UNO, Nano)

IDE

• [x] Arduino IDE

IR-Protocol

• [x] NEC

Example to reproduce the issue

• [x] AllProtocols

Version

• [x] Yes I use the latest repo version and verified this!

Please delete all unchecked lines above :-)

Pin(s) used for IR-receive, if not default

Current behavior

VCC=4708mV START /tmp/arduino_modified_sketch_450254/AllProtocols.ino from Jun 6 2021 Using library version 3.4.1 Ready to receive IR signals of protocols: SIRCS, NEC, SAMSUNG, MATSUSH, KASEIKYO, RECS80, RC5, DENON, RC6, SAMSG32, APPLE, RECS80EX, NUBERT, BANG OLU, GRUNDIG, NOKIA, SIEMENS, FDC, RCCAR, JVC, RC6A, NIKON, IR60, KATHREIN, NETBOX, NEC16, NEC42, THOMSON, BOSE, A1TVBOX, TELEFUNKEN, SPEAKER, LGAIR, SAMSG48, PENTAX, TECHNICS, MITSU_HEAVY, VINCENT, SAMSUNGAH, GREE, METZ, ONKYO, MELINERA, at pin 2 VCC=4708mV P=NEC A=0x7F80 C=0x12 VCC=4708mV P=NEC A=0x7F80 C=0x1A P=NEC A=0x7F80 C=0x1E P=NEC A=0x7F80 C=0x1E R VCC=4708mV VCC=4708mV VCC=4708mV

the third line indicates a R that is a repeat command on serial monitor as well as on lcd display 16x2 whereas it shouldnt because i just pressed different buttons in a fast manner instead of pressing the same buttons repeatedly

Expected behavior

when pressing different buttons in a fast manner it shouldnt print R anywhere (neither serial monitor nor lcd)

Additional context

checklist:

• [x] I have read the README.md file thoroughly.
• [x] I have searched existing issues to see if there is anything I have missed.
• [x] I have browsed the examples for one, that matches my use case.
• [x] Any code referenced is provided and if over 30 lines a gist is linked INSTEAD of it being pasted in here.
• [x] The title of the issue is helpful and relevant.
• [x] I checked, if at least one of the examples was working.

We will start to close issues that do not follow these guidelines as it doesn't help the contributors who spend time trying to solve issues if the community ignores guidelines!

[ArminJo]

With NEC, the repeat flag is only set if:

• a repeat frame was received
• the repeat frame was received no more than 40 msec after the original frame

I'm guessing that the remote control you are using polls with such a low sample rate that two very fast keystrokes count as one long keystroke without release. Logically, it sends one Repeat frame. I have no other explanation. You can also check with https://github.com/Arduino-IRremote/Arduino-IRremote/blob/master/examples/SimpleReceiver/SimpleReceiver.ino.