Feb 20, 2015 · Our function will then call digitalRead() from libcore. digitalRead() will look into some tables in order to map the Arduino port number to the hardware I/O port it has to read and the …

May 24, 2022 · When you google for "Arduino toggle pin" you will get good results. When doing it the Arduino way it would be: digitalWrite(pinToToggle, !digitalRead(pinToToggle));

Mar 6, 2021 · digitalRead () function of Arduino doesn't read Input value sent by sensor after detecting the object Ask Question Asked 4 years, 10 months ago Modified 4 years, 10 months ago

I am new to arduino programming and I have bought arduino UNO a few days ago. I am trying to read the value of pin 4 using digitalRead with pinMode INPUT_PULLUP but it keeps giving me 1 even …

Jan 23, 2017 · Ack -- digitalRead(buttonPin) gives a 1 or 0, while PORTB & _BV(buttonPin) could give you 0,1,2,4,8,16,32,64,128 depending on the state of the pin and which pin on the port you are …

Jul 16, 2015 · uint8_t value = digitalRead(x) | (digitalRead(y) << 1) | (digitalRead(z) << 2); x is the least significant bit, and z is the most significant. So value will now be a value between 0 and 7 …

Yes, for bool, but the question was about boolean. Whilst we know, by reading the code and reading the documentation, that digitalRead will return a 0 or 1, the fact that the return type is int means that the …

Feb 12, 2017 · Is it possible to read the value of the switch in the analog in pins on the board?? As other answers say, you can use digitalRead on most Analogue pins. But to answer the question, yes you …

if/else on digitalRead not executing on 'else' portion Ask Question Asked 6 years, 10 months ago Modified 6 years, 10 months ago

Mar 31, 2023 · I have set pin 11 as output. pinMode (11, OUTPUT); However, I want to be able to read its state (if it is HIGH or LOW), however since it is set as OUTPUT, I am not able to use digitalRead ().