
What are the 5V and VIN pins for? - Arduino Stack Exchange
I put the Nano in a breadboard. And I measure the voltages with a multimeter, which I put in the breadboard right next to the pins from the Arduino. I understand that there can be a voltage …
How can one use the SPI hardware on the Arduino Nano?
Apr 20, 2016 · The problem is that I have seen mention of SPI not working on the Nano. From the Nano product page: These pins support SPI communication, which, although provided by the …
Arduino Nano PWM frequency - Arduino Stack Exchange
I have been using an Arduino Nano as a PWM controller for a heating element. I am currently using D11 (PB3). I could change, although all pins with PWM are in use, and would require a …
arduino nano - Why are the pin numbers of the diagrams and of …
Sep 20, 2021 · 11 If I search Google for "arduino nano pin numbers", all results show that the pin number of D2 is 5. But that did not work. I searched for some sample codes, and they were 3 …
arduino uno - What is an ICSP pin? - Arduino Stack Exchange
Jun 30, 2017 · A typical Arduino ICSP header has six pins, arranged 2x3. The article Connecting the Programmer: In-Circuit Serial Programming (ICSP) at Sparkfun describes some of the …
What's the difference between all the Software Serial Libraries?
For my Arduino Nano I need one Hardware Serial Port and one Software Serial port at a baud rate of 115200. On which pins of the Arduino Nano can I use the software serial library?
Nano: All digital pins do not output anything - Arduino Stack …
Jul 7, 2020 · New user here. Using the examples provided on the Arduino IDE software I could produce melodies with a piezo buzzer, or have a blinking LED. Not anymore. No digital pin is …
led - How come some Arduino Nano pins (D3, D4, A3, A4, A6, A7) …
-1 I made a sketch to switch on all digital and analog pins, and found out several pins did not work as expected. Note: I manually put a jumper wire from each digital and analog pin (one at a …
Arduino Nano PWM pin not functioning
@Carolene according to the schematic given by the OP, pin 3 means digital pin 3 = PORTD 3. The part of your answer "The PWM pins are 6, 8, 9, 12, 13 and 14 (for Arduino Nano)" is …
Arduino Nano Every I2C PORTMUX - Arduino Stack Exchange
Mar 20, 2021 · Arduino Nano Every schematic informs us that we can use ATMega4809's pins PF03 and PF02 to communicate via I2C. ATMega4809 manual says in page 19 that in order to …