Questions tagged [arduino-nano]
The Arduino Nano is a small board based on the ATmega328 or 168. It has male headers, so it can be plugged directly into a breadboard. It is small and compact, and features a USB chip.
1,350 questions
41
votes
10
answers
160k
views
Arduino Nano uploading gives error: avrdude: stk500_recv(): programmer is not responding
I have a Arduino Nano (Sainsmart) that I'm trying to upload a sketch to. Under the Arduino IDE, the device selected was Arduino Nano w/ ATmega328.
However uploading the sketch gives me the error
...
- 1,419
34
votes
14
answers
58k
views
Most compact method of powering Arduino from wall socket
There are a lot of methods to power an Arduino from a large range of voltages:
USB cable from PC or from a phone charger or an USB hub
step down converters
step up converters
switching power supply
...
- 749
22
votes
4
answers
112k
views
What is the maximum power consumption of the Arduino Nano 3.0?
What is the maximum power consumption (in mW) of the Arduino Nano 3.0, when it is running in its default state (at 16MHz, no LEDs removed) and powered by an external regulated 5V supply so it bypasses ...
- 1,419
16
votes
1
answer
21k
views
Arduino Nano no serial port for MacBook Air 2013
Problem
I have an Arduino Nano connected via a USB cable (Type A to Mini Type B) to my MacBook Air (Mid 2013 Model). The PWR LED is on while the arduino is connected.
Opening the Arduino software, ...
- 391
15
votes
5
answers
90k
views
How to change baudrate of ESP8266 (12e) permanently?
IMPORTANT: DO NOT USE AT+IPR=9600! (see update)
I have an ESP8266 12E module that communicates at 115,200 bauds. Since I use it with an Arduino Nano with SoftwareSerial things get messy. So I found ...
- 427
14
votes
1
answer
30k
views
What's the difference between all the Software Serial Libraries? Which one is Arduino Nano compatible?
There are so many Software Serial Libraries, what are the differences between them? And which one I can use with my Arduino Nano? For my Arduino Nano I need one Hardware Serial Port and one Software ...
- 515
13
votes
4
answers
8k
views
Does ADC conversion to a voltage rely on the actual value of the +5 V pin?
Questions:
Does the conversion of the ADC count to voltage depend on the actual voltage of the +5 V pin?
If yes, what is the accepted method of getting that voltage from the board?
Background/...
- 233
11
votes
3
answers
12k
views
Why are the pin numbers of the diagrams and of the code different?
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 for D3 and 5 for ...
- 357
11
votes
6
answers
22k
views
Setting serial number on CH340 USB-Serial device
Reading http://playground.arduino.cc/Linux/Udev there appears to be a way to write out to a FTDI USB-Serial EEPROM to set a given SerialNumber, allowing you to identify a given nano/other arduino to ...
- 265
11
votes
4
answers
182k
views
avrdude ser_open() can't set com-state
When trying to upload the blink sketch to my (unofficial) Arduino Uno, I get the following error:
avrdude ser_open() can't set com-state for "\\.\COM3"
I have programmed this Arduino before using ...
- 213
10
votes
4
answers
18k
views
Arduino Nano not responding with yellow led blinking fast
Update: I started playing with a genuine Deumilanove and exactly same problem happened to it - d13 led blinking, but avrdude says stk500_recv(): programmer is not responding
I uploaded a largish ...
- 311
9
votes
1
answer
43k
views
Turning all LEDs on (FAST.LED)
In Fast.Led lib for arduino there is a code to turn off all leds
FastLED.clear ();
Is there also a shortcut to turn all LEDs ON, and with a specific color
- 123
9
votes
2
answers
8k
views
Reading a varying voltage into Arduino
Using an Arduino Nano and a current transformer (CT), I'm trying to sense the current flowing through a 120 V 60 Hz line.
Circuit
CT outputs 0-1 V according to its specifications....
- 1,419
8
votes
6
answers
21k
views
how fast does loop() run in Arduino
Hi I am using Arduino Nano to gamify my experience on Unity3D. I know that Update() in Unity3D runs every frame per second but I because I'm not an electronics guy I don't know how loop() function ...
8
votes
3
answers
34k
views
Are there any reasons to pick Nano over Micro?
Nano is from 2008, and micro from 2012. Micro seems better on every parameter, in particular in having a better (I think) microcontroller, ATMega32u4, over ATMega328P.
However, all the shops I've ...
- 1,145