
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 …
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 …
Max current of Vin and 5V pin on Arduino Nano
Feb 25, 2017 · What is the max current of the Arduino Nano's Vin (30) and 5V (27) pins?
How can I set up outputs without using digitalWrite? - arduino nano
One of the firs things you need when dealing with direct port access is the mapping between the Arduino pin names and the names of the microcontroller (MCU) pins as given by the …
arduino nano - Why are the pin numbers of the diagrams and of …
Sep 20, 2021 · 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 …
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 …
Is there a way to have more than 14 Output pins on arduino?
A common way to expand the set of available output pins on the Arduino is to use shift registers like the 74HC595 IC (link to datasheet). You need 3 pins to control these chips: Clock Latch …
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 pin not functioning
I am building a project using an Arduino Nano. In it, I am using pin 3 as PWM output. However, If I supply values lower than 255 to it, the pin does not output any voltage at all. According to this
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 …