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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29 views
Parallel servo control?
I have an Arduino Nano & am success fully controlling 4 servos from it but it then occurred to me that I am controlling these in a serial manner, ie I set 1 position then the next then the ...
1
vote
1answer
41 views
Using an Arduino Nano, how many LEDs can I safely power?
I am working on building a wordclock using one of the several design ideas that you can find all over the Internet. Something like a mix of this one: http://www.instructables.com/id/Sleek-word-clock/ ...
0
votes
1answer
19 views
how much current does Arduino Nano draw when only using 8 digital pins?
I want to connect an Arduino Nano to an Intel Minnowboard Max (it's like a Raspberry Pi). I know Arduino can draw up to 500 mA current through the USB connection. Since I already need the USB to ...
0
votes
1answer
30 views
SoftwareSerial returns garbage when powered externally
Hello I'm currently working on a project with the esp8266 and arduino nano, and when I power the device via usb they talk to each other via SoftwareSerial just fine. I use the ardiuno IDE serial ...
0
votes
1answer
42 views
Is the Serial buffer going from Arduino to PC and from PC to Arduino different?
I'm both sending and receiving strings to Arduino from my Python program on the PC and the opposite. I don't check by code if one is finished before doing the other. Are they seprate buffers, or is it ...
0
votes
1answer
34 views
make Arduino tell when the Python program stops reading from the Serial (crash, etc)
Here's the Arduino code:
void setup() {
Serial.begin(9600);
pinMode(7, INPUT_PULLUP);
}
void loop() {
int val = digitalRead(7);
if (val == HIGH) {
Serial.print("1");
} else ...
0
votes
0answers
33 views
Using Arduino and SIM900 to post data via HTTP
I have an Arduino and bought a SIM900 module.
I looked at the tutorial at the Arduino website and I worked out the following code:
#include <GSM.h>
#include <VirtualWire.h>
#define ...
0
votes
0answers
39 views
Error Including multiple sensor values in an SMS
I have made a Temp monitoring and alert system using Arduino Nano, DHT11 and SIM900A GSM module. The code is written to send out Alert when temperature goes above 32°C. The SMS should read:
...
0
votes
0answers
22 views
How to network multiple Arduinos so they react to the same signal
I want to build a project that contains multiple Arduino nano's, each connected to one controlling Raspberry Pi. I would like to send one signal (a string of characters or numbers) which would be the ...
0
votes
2answers
56 views
How can I detect a disconnected pin?
I'm trying to build a system where if a cable gets disconnected from a pin (any pin), an action is executed.
I am wondering how to set this up. Can i simply wire the 5V to a pin and read its status ...
0
votes
0answers
8 views
Bluetooth Trancievers for arduinos
Would it be possible to use to of these on two separate arduino's, to send and receive information? I am having difficulties understanding the chinese-english descriptions and haven't seen any ...
0
votes
1answer
43 views
Unable to upload code to the arduino nano
I tried to to upload a hex file I generated for the arduino nano using avrdude but I keep getting the error:
avrdude: stk500_2_ReceiveMessage(): timeout
First the arduino board stops doing whatever ...
0
votes
1answer
72 views
how to build rc transmitter and receiver with an old rc transmitter
I've got an Arduino Mega, an Arduino Nano, two NRF24L01 wireless modules and a old Multiplex Transmitter system.
I want to get the PWM signal and send it to the other arduino which should control the ...
2
votes
3answers
466 views
Arduino Nano with CH340 reboots on OS X El Capitan
I installed OS X El Capitan beta on my Macbook. Now my Nano-sized Chinese Arduino operating on CH340 chip reboots the laptop when USB is unplugged. While plugged, it works fine, I can upload sketches ...
0
votes
3answers
70 views
Arduino nano stopped working
After programming Arduino Nano with the DIY Headtracker code, after trying to plug the Arduino to the receiver and some time, the LED stops flashing and now it's not recognized by the computer ...
0
votes
1answer
62 views
Choose the correct solar panel and battery for solar use
I am planning to build a weather station powered by solar power. I want to use an Arduino Nano because it's low power requirement. I want to connect some basic sensors to it (temperature, humidity…) ...
0
votes
1answer
87 views
Arduino IRremote stops working
I'm using a standard 38kHz receiver with Arduino-IRremote library and it works fine for a while but then it stops working. The loop function is running time after time as expected but at some point ...
0
votes
1answer
70 views
Error in code saying “expected primary expression before ”<“ token” and other errors
I am Creating a laptop controlled robot using an arduino nano using the instructbles. I have tried running the code but it is throwing back lots off error and the main one is "expected primary ...
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0answers
39 views
What is the Arduino Nano maximum wattage?
Hello,
I am currently working on a DIY project and I would like to know the Maximum Wattage of a Arduino Nano with a ATmega328 processor. If anyone know what it is it would be a great help.
Ricky
0
votes
3answers
95 views
How to use Arduino Nano with Arduino Uno
I am using an Arduino Uno and have used up all it's pins so I have plugged up a Nano to a couple of the Uno's pins and using the Uno's 5v and ground to power the Nano. Is this ok?
It's been working ...
0
votes
1answer
56 views
Fried two Arduino Nano's but works when powered
It took me about 4 hours to desolder an Arduino Nano I fried and solder on the new one. I'm not exactly sure how but I shorted it somehow while trying to install the nano onto my robot. I could smell ...
1
vote
1answer
1k views
ESP8266 wifi module sending data via jQuery
Hey all I have the ESP8266 module and I have already set it up and it's working good. However, when I run this HTML page code here:
<html>
<head>
<title>ESP8266 LED ...
1
vote
1answer
119 views
How to interface arduino nano with sim900A?
I have arduino nano and sim900a modem.
Rx(pin30) and Tx(pin31) pins of arduino shows 3.8VDC respectively and Rx and Tx of SIM900a shows 3.6VDC and 2.8VDC respectively. Could i connect the ...
0
votes
2answers
81 views
Light sensor acting up when used with other code
I have a light sensor that works fine and outputs the correct data to the serial monitor when I only upload the following code to the nano:
const int lightSensorPin = A0;
int lightSensorValue = 0;
...
0
votes
3answers
55 views
Smallest package possible reading microSD
I have a project running on an arduino nano, and as part of it, I'd like to read from and write to a microSD card. My problem is that the microSD shield for it doesn't fit my form factor (think ...
1
vote
2answers
195 views
Function generator with Arduino Nano
I'm trying to convert the project here to an Arduino Nano.
I scaled the waveforms from 12 bit to 8 bit values. I replaced the analogReadResolution and analogWriteResolution calls with pinMode(10, ...
0
votes
3answers
90 views
HIGH and LOW reversed
i've got a seven-segment-display on my arduino-nano and want to write some numbers on it. The problem is that HIGH and LOW seems to be reversed.
If the output should be
0
it displays
-
I could ...
1
vote
1answer
137 views
How to make an RC mixer with the arduino
I want to make a RC mixer mixing two channels of a receiver.
What I have: a delta model plane, two servos, a receiver and a Arduino Nano.
So I'd like to mix the aileron (two channels) with the ...
6
votes
3answers
552 views
How does this Motor Circuit not ruin the Microcontroller
I came across this instructable about using no external hardware but two pwm pins to control a motor in both directions. Usually you would use an H bridge. However, ever since I have had my Arduino I ...
0
votes
1answer
88 views
what ftdi windows driver for arduino nano
at http://www.ftdichip.com/FTDrivers.htm they seem to divide chips into two categories, FT4222H vs. D2XX driver.
What's the correct for a arduino nano?
0
votes
4answers
136 views
Arduino IR not returning data
THIS QUESTION ISN'T IN USE ANYMORE
Solved by using an other remote that is supported by the libary
====NEW CODE====
#include <IRremote.h>
int RECV_PIN = 11;
int relay1 = 2;
...
0
votes
1answer
58 views
Arduino Robot Chasis [closed]
I am looking into building a robot with my Arduino Nano but I don't want to shell out more then 50 bucks. Does anyone have any suggestions for a four wheel robot chassis at this price that I could use ...
1
vote
3answers
237 views
Best Header for Arduino Nano
I would like to be able to create permanent projects with my arduino Nano but be able to remove the nano in order to use it in other projects. The arduino Nano has 30 pins so I would be looking for ...
0
votes
1answer
51 views
Converting Arduino LCD Programs to Serial I2C LCD code
I just got a Serial LCD and wanted to test it out with a game. I found this site with game conversions and wanted to use this game. However since my serial LCD use the LiquidCrystalic2 library the ...
0
votes
0answers
65 views
Arduino PWM led blinking on 4 pins, each pin Intensity and time period based on the previous pin
I am trying to make 4 LEDs glow using Arduino based on some relationship between them in terms of brightness and time for which LEDs glow.
For example the relationships are:
pin_3_value = 250 (LED 1 ...
0
votes
2answers
65 views
Arduino voltage drop while communicating with another Arduino
I have an Arduino Uno rev 3 and an Arduino Nano in my Setup. I want to create a proof of concept, where one Arduino triggers the other via the Digital IOs.
Arduino 1 sets a blinking signal on a ...
0
votes
1answer
156 views
Serial Monitor breaks normal behaviour of Nano + NRF24l01
Couldn't find any other post that mentions Serial Monitor crippling the normal workflow of the NRF24l01, so here it goes.
I have two Arduino Nano, both with NRF24l01 attached, and an RF24 library ...
-1
votes
1answer
35 views
interrupt and/or other ressources used by Time functions micros() and delayMicroseconds()
I want to use Arduino Uno (Rev. 3) resp. Arduino Nano for time critical ignition control of a combustion engine. Software is developed under arduino rev. 1.6.2.
The only Arduino system functions i ...
0
votes
1answer
386 views
Arduino + ESP8266 - poll file from a server?
I really need all the help I can get...
It's been a week now and I'm still not able to solve the problem.
I have text file on a server. The whole address is www.example.com/test.txt
I want to read ...
2
votes
1answer
66 views
Arduino Nano Motor
If I had four of these motors and attached them to the Arduino Nano on four separate digital pins or analog pins without transistors and a 9v power supply attached to the regular power supply input ...
0
votes
1answer
33 views
Arduino Nano Max Current Draw best Motors
I know that the Arduino Nano cannot source more than 40ma per pin. My question is there any type of motor or continuous rotation servo that I could use four of to make a robot without making the Nano ...
0
votes
2answers
75 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 ...
0
votes
2answers
222 views
Programming Arduino Mega processor with FTDI instead of ATmega32
does anyone tried to program the Arduino Mega with an FTDI chip like in the Arduino Nano (this is for a custom design)
Will it work?
Thanks!
1
vote
1answer
153 views
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 ...
0
votes
1answer
102 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 ...
0
votes
0answers
63 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 ...
3
votes
1answer
70 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) ...
0
votes
1answer
177 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.
0
votes
0answers
72 views
How to upload and play music file directly to ATMega328 arduino nano
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 ...
0
votes
0answers
436 views
How to get the ENC28j60 and Atmega328 to use SNMP with Agentuino?
My setup is as follows:
An Arduino Uno or an Arduino Nano V3.x (Both have the Atmega328), the ENC28J60 and an DS18B20.
All bundled up with a Windows 7 x64 machine.
Now I'm trying to get the ENC28J60 ...
