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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.

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2answers
429 views

Arduino Nano For Home Automation

My question is about the arduino Nano or Micro and the smallest and cheapest way to control a bigger power source. I would wire it with a socket so that I could send a command from the board and a ...
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2answers
1k views

Programming ATmega2560 processor with FTDI instead of ATmega32

Has anyone tried to program an ATmega2560 with an FTDI chip as is done in the Arduino Nano (this is for a custom design). Will it work?
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2answers
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Burning a Uno bootloader into a Nano

I bought some cheap Arduino Nanos from ebay, but the watchdog does not work in them. So I removed their old bootloader and burnt a new Nano bootloader from the Arduino IDE. Same problem, the watchdog ...
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1answer
235 views

Atmel Studio and Arduino IDE compiles the same code different

Before going in details I need to say I am trying to program Arduino Nano board with atmega328p. Here is my code in Atmel Studio; #include <avr/io.h> #include <string.h> #include <avr/...
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0answers
130 views

Device manager sees my nano as FT232 USB UART not as COM port

Until yesterday I had 2 arduino nanos (atmega328, 16Mhz, 5V), and they worked fine,when I changed the cable and was able to upload code to them. Then I tried to make a breadboard arduino, but my PC (...
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2answers
1k views

Does Nano not get sufficient power via USB?

I have an Uno, and I can play all I want with it, just using a USB cable. Then I got two Nano clones, and they both show the same behavior: When I connect it to the USB cable (which leads to my PC) ...
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1answer
3k views

delay() vs delayMicroseconds()

I just started using Arduino and so far I've used both delay() and delayMicroseconds(). I was wondering what the difference between these two is, because it seems to me that they're the same.
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1answer
2k views

How to upload and play music file directly to ATMega328 arduino nano [closed]

I'm wanting to upload a v short piece of music, to an arduino nano, and then play it repeatedly. The file length only needs to be 10ms, how do I do this? I'm unsure what format to put it in, where ...
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1answer
1k views

Send array of Infrared codes

I'm having a bit of a problem when sending IR Codes stored in variables. I swear I had this convered up already. I don't actually know the reason why I can't use variables in the first place. I ...
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3answers
3k views

Arduino program wont work properly for some reason

I have a arduino program that I wrote with my teammembers. We are working on a project and try to move a RC car. Here is our code. int forward =12 ; //assign to correlating pin attached to TP06 int ...
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2answers
13k views

How to know which Arduino to choose: Nano, Micro or Pro Micro?

I'm puzzled at the moment with which one to choose. Form-factor plays a significant role in my project, so I prefer the smaller boards mentioned in the title to fuller boards like the UNO, MEGA, etc. ...
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6answers
10k views

Lowest power possible in Arduino

I have googled all around and I know about some tricks to make ATmega328 not being a power hog. I am using Arduino Nano V3.0. However, I didn't find out what is the minimal consumption possible with ...
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1answer
375 views

Speeding up Girino gives strange readouts

I was reproducing the Girino (the Instructable by Caffeinomane) bundled with the Girinoscope (the Java GUI by Chatanga). The results worked well and I went on to see if the oscilloscope can go up to ...
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5answers
8k 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 ...
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1answer
6k views

arduino nano V3 updated schematics

Does anybody know where to find an updated scematics of Arduino Nano V3? All the Nano drawings I found (even in the Arduino official site) are based on ATMEGA 168 , no one including ATMEGA 328!!! ...
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1answer
20k 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, ...
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1answer
8k views

Arduino Wire Types?

I don't know what wires to get for my first Arduino project. I am planning on getting a pre-made light strip that I would control with an Arduino from across my room. Is there any specific type of ...
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1answer
408 views

Arduino Nano and a 3.3v Ethernet shield

I plan on purchasing a Nano clone, an Ethernet shield (ENC28J60), an LCD and a DHT22 humidity + temperature sensor. This will be used in a wine cellar to monitor relative humidity and temperature. ...
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0answers
153 views

Sketch not giving feedback as predicted switching from Arduino Uno to Nano

I have a sketch that works just fine on my Arduino Uno board, but somehow mess up, when I try to retrieve data from a Nano Board. I have wired a TCS230 color sensor, to get data about some colours. I ...
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1answer
12k views

How do i wire a switch to control Leds on a arduino nano

I am wiring some LED's with buttons to trigger them but i don't know if i have the wiring right? Code /* switch * * Each time the input pin goes from LOW to HIGH (e.g. because of a push-...
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2answers
963 views

Car dome light fading with arduino nano

So I'm working on my car and now I've got my sights on the electrical system. I've installed a keyless entry system and a pulse timer for the dome light. Now, I'd like to give the dome light the fade ...
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2answers
4k views

How do you wire a ssr relay to a arduino nano

I am trying to wire a fss1-102z 5v ssr relay to my arduino nano but i cant get it to work here is my circuit. It stays stuck on and i cant get it to turn off. Bluetooth control code char val; ...
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3answers
25k 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 ...
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1answer
2k views

8X8 LED not lightning up according to matrix assignment on a Arduino Nano

I'm currently trying to code a simple program that would allow me to light up an individual LED on an 8X8 LED board using a double array. Here are the problems: All the rows can ON individually ...
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2answers
790 views

What sensor would I use to get the speed or velocity of my Arduino based nav system?

I'm building a Arduino Nano based underwater navigation system using an IMU and various sensors. The only problem with this is that I cannot get the speed or velocity(at least reliably) and it would ...
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1answer
3k views

Arduino Underwater Inertial Navigation

I am working on prototyping an underwater navigation system with Arduino. It's going to be used to track movement underwater from a starting point and then be able to tell how to get back to that ...
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1answer
2k views

Using Arduino Nano as USB Host

I'm pretty new to microcontrollers and Arduino and since I can't find any satisfying information on my problem, I hope that you might answer them: My project is actually quite simple: I just want to ...
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2answers
673 views

little pump isn't working

I'm trying to use a little pump with my arduino nano: void setup () { pinMode(waterPump, OUTPUT); } ... while (val < valueWater) { Serial.println ("in while"); // testing purpose ...
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2answers
522 views

Arduino GSM Module with network GPS

I have looked through the AT command set of Arduino GSM Shield boards. I dont find any AT command that provides network GPS. I wonder what I am missing. Why isn't it possible for GSM module to provide ...
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1answer
81 views

Arduino Nano and SIM300 module for http calls for location

I am new to Arduino and SIM300/900 world. But I see that there is a possibility of building a vehicle tracker (approximate locality since I will use GPRS network location) using just these 2 boards. ...
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4answers
10k 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 ...
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6answers
5k views

Arduino Micro just blinks, won't connect to PC

Edit - Sorry it's a Micro not a Nano I have a Micro board hooked up to an EasyDriver breakout using its 5V output to power the Micro. Today I plugged it in and instead of booting up like normal the ...
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1answer
1k views

Wired serial connection between two Arduinos - do they need a common Ground (GND)?

I would like to connect two Arduinos by a serial connection. Is it sufficient to connect TX1<-->RX2 and RX1<-->TX2 or do I also need to connect the GND of the two Arduinos?
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2answers
704 views

2 Arduino controller boards - 1 shared input

I'm beginning with electronics and don't have all the good reflexes yet. So here is my question: Can I do what I did here? can i do this http://www.movod-design.com/forum_img/canIDoThis.jpg Do I ...
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1answer
380 views

RF missing characters

I've got two arduino nano devices connected via RF 433 MHz. The modules are MX-05V and MX-FS-03V. I'm using VirtualWire for sending and receiving. The speed is set to 1000 bps. One has got a pir ...
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1answer
998 views

Sending data from a GUI to an Arduino nano via USB

Can somebody point me in the right direction for information on sending data to an Arduino nano? My project is to send data that is updated from a GUI (presently written in Python) to an Arduino nano ...
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1answer
520 views

Arduino stopwatch, which board to use?

I am planning on making a simple stopwatch with: A display One or two additional buttons to start the stopwatch and stop the stopwatch and maybe reset it. The problem is that it has to be as small ...
3
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1answer
583 views

Building Arduino Nano from components

At this stage, my finalized design includes Arduino Nano 3.0, a breakout board and a few electrical components on a breadboard. Will there be an appreciable cost savings from not buying a ready-made ...
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4answers
69k 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 ...
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3answers
3k views

Serial port /dev/cu.usbmodemfa131 vs /dev/cu.usbserial-A702NY8S

On Mac OSX Mavericks, why does Arduino Uno uses serial port named /dev/cu.usbmodemfa131 while Arduino Nano uses /dev/cu.usbserial-A702NY8S? Are they using different FTDI drivers?
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2answers
825 views

Opamp for amplifying 1V signal voltage to 2V

I'm doing my first electronics project where a signal that varies between -1 to 1 V is going into an analog pin on the Arduino. The amplified signal has to be read as fast as possible by Arduino. The ...
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2answers
7k 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&nbsp;V according to its specifications....
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2answers
4k views

Arduino unable to read from XBee Series 2

An XBee Series 2 is set to Router AT whose TX and RX pins are connected to an Arduino Nano's Rx and Tx pins respectively. The Arduino is connected to a Mac OSX via USB. A second XBee Series 2 is ...
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14answers
45k 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 ...
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13answers
79k 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 ...
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2answers
4k views

Arduino LED matrix and 2D array, data seems to be corrupting

Duplicate of this question I'm trying to drive an 8x8 LED matrix with an arduino nano, but I can't get the LEDs to display what I tell it to. I'm using this LED Matrix Here's my code: int row1 = 2;...
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4answers
2k views

Is there a semi-permanent way to attach wires to the Nano?

At least for prototyping, is there a semi-permanent way to attach wires to the Nano posts? And yes, usually the Nano is hanging in free space by its wires (yes I know, quick and dirty, should be ...