All Questions
0
votes
1answer
5 views
Can I use an atmega328 alone without anything and what is the max voltage I can power the atmega328 with
Okay 2 questions. If I am to replace the Arduino with an atmega328 programmed with a standard blink on pin 13, is this configuration correct, do I still need oscillators and whatnot?
Second ...
0
votes
2answers
7 views
SMlib State Machine Library not working as expected
I have the following setup and sketch.
The problem is that when I click the button it works sometimes, but other times it executes On Off straight after On as if it's executing twice.
This is after ...
1
vote
2answers
25 views
Programming Arduino
I'm new to electronics. Professionally I'm a software developer. I want to know that is it possible to program Atmel AVR 8-bit and 32-bit Microcontrollers using Aurdino IDE. If yes could any one guide ...
0
votes
0answers
10 views
NRF24 module - how to program arduino so that it is able to listen to 2 pipes
i have 2 transmitter that is constantly transmitting data at a set rate on 2 different pipes, so that it will avoid collision and overwriting. is it possible to use arduino and program it in such a ...
0
votes
1answer
7 views
USB BUB II - Misconnection and no longer uploads
I accidentally misconnected a USB BUB II to a Arduino RBBB (atmega 328), and it no longer uploads code. Here are the symptoms, I think the BUB II is fried. I am using Ubuntu 14.10.
Code won't upload ...
0
votes
0answers
10 views
GSM Shield - keep recieving Ready
hi all i have ATWIN Linksprite GSM
it keep Receiving the following message over and over again :
RDY
+CFUN: 1
+ENCRET: 0
+CPIN: READY
what to do to stop that and what does that mean ... thanks
0
votes
0answers
25 views
Arduino Two Ethernet Shields
Is it possible to connect two Ethernet shields to arduino? And if yes, how can I distinguish them in the code?
0
votes
1answer
14 views
Programming bluetooth module JY-MCU v1.06
I have a popular bluetooth module JY-MCU version 1.06 (picture below). Before i insert it to my arduino project I want to configure the name, bound speed and the pass code using usb-to-serial link. ...
-1
votes
0answers
38 views
broken pipe when uploading sketch
I just got my Arduino UNO and I'm trying to upload the blink example but the upload fails with
ioctl("TIOCMSET"): Broken pipe
ioctl("TIOCMSET"): Broken pipe
avrdude: stk500_recv(): programmer is not ...
1
vote
1answer
38 views
Self answering a Intercom and playing louldy for person to response
We have two labs - one in 1st floor and other at 2nd floor. We are connected by intercom - both the labs has one device each. The issue is that the person who sits near the intercom is busy through ...
-1
votes
0answers
41 views
future of shopping [on hold]
Future of shopping
I would like to implement the above application using arduino. Please let me know what kind of sensor, hardware , sheild requirement need to do above application. I wanted to avoid ...
0
votes
1answer
31 views
Control arduino with keybaord via computer
I'm brand new to arduino but I'm trying to figure out how to set up a WASD steering system for my robot I made.
I have the physical setup all ready but I don't know the code to use that would allow ...
-3
votes
0answers
22 views
Using E18-D80NK Infrared distance sensor with arudino [on hold]
Please provide simple Arduino code example for E18-D80NK Infrared sensor.
0
votes
0answers
7 views
Enabling quicker and more accurate MindWave Mobile detection?
Currently I am trying to get a Mindwave Mobile device to operate with an arduino uno. I'm following the guide here.
However the sample code given doesn't work very well. I have been trying to get a ...
2
votes
1answer
51 views
When I open a COM port some pins on Arduino Uno goes low for about 2 seconds
I have no idea why this is happening, but after I open COM port to talk with my Arduino (I click "Open" in RealTerm), the state of some pins goes from high to low for about 2 seconds and then goes ...
0
votes
1answer
24 views
Problem with hc-05 bluettoth module
I wrote a simple program for controlling an LED using mobile. So, I bought the HC-05 bluetooth module configured it and then connected it to the arduino.
This is the code that I wrote for it.
...
0
votes
0answers
21 views
Bluetooth module discovered by computer and not smartphones
I've been playing with Groove Bluetooth Module (HM-11) and for some reason my computer can see it, but none of my cell phones can.
I've tried two Huawei P7 (BL 4.0 + BLE) as well as some Samsung ...
0
votes
0answers
16 views
Operating audio in different devices [on hold]
Can I make a laptop or pc to produce two different sound at two different audio devices like earphones and speakers ?
0
votes
0answers
21 views
HC05 not working on standalone mode [on hold]
I have wired hc05 to arduino uno board and programed it was working very nice but when I make it standalone, it fails. It's not at all responding to anything. I used 10 and 11 pin as RX and TX.
0
votes
2answers
48 views
How to use 503 Thermistors for tempature?
I have a black Thermistor with the number 503 on it.
I know that I would need a 50k resistor as a voltage divider.
I don't get to convert the number I am getting. I get the number 340 when my house ...
0
votes
0answers
24 views
Wiring Issues with Sparkfun Oled
I'm attempting to hook up an arduino uno with a Sparkfun Oled. I downloaded the example program and made these changes:
#define PIN_RESET 3 // Connect RST to pin 3
#define PIN_DC 4 // Connect DC ...
0
votes
1answer
23 views
collecting & visualizing sensor data - best approach?
I'm working on a kite-related project where I'm using Arduino + accelerometer to track data while a kite is in the air. I am struggling a little with the best approach - help on the following ...
0
votes
1answer
33 views
Are there any KL03 “arduinos”?
I have been trying to find any Arduino or similar prototyping board that uses this MCU
http://www.pcmag.com/article2/0,2817,2453987,00.asp
But the smallest and more robust ones I have been able to ...
2
votes
1answer
63 views
communicating with arduino over serial via terminal
I'm attempting to write data over a serial line to the arduino, however I don't want to use the arduino IDE but rather use the command line.
In order to do this I have the following commands:
...
0
votes
2answers
47 views
what is fastest allowable serial baudrate?
what is the fastest serial read the Mega can do?
begin.Serial1(1024000) is accepted for compiling, but reading jibberish
any suggestions on a faster device?
0
votes
2answers
34 views
Error: Function not declared in the scope
I want to make a timer library. The cpp file I have written is:
#include "avr/interrupt.h"
#include "Arduino.h"
#include "AllTimer.h"
AllTimer::AllTimer()
{}
void AllTimer::dofun(void)
{
TIFR1 ...
0
votes
1answer
20 views
Arduino RBBB - Device not accepting address
I recently purchases and make a Arduino RBBB with a BUB II from Modern Device. I ordered the package found HERE. I built everything according to the instructions, but when I connect it to my laptop ...
1
vote
1answer
31 views
How to protect sensors used on atheletes?
I'm working on a project were we are trying to attach accelerometers to soccer players and capture various aspects of movement data. Breadboarded circuits are coming along nicely and I'm now looking ...
0
votes
1answer
35 views
How can I increase resolution for current sensor?
I purchased a ACS711 Hall effect-based linear current sensor (http://www.pololu.com/product/2197) and when i read the input it's basically always the same. After doing some research I think it's ...
0
votes
1answer
25 views
Reading keyboard input
I'm using Serial.read(); to read keyboard input from the serial monitor.
It only sends the characters after hitting enter or clicking the "send" button.
Is there a way to read keyboard input without ...
0
votes
1answer
8 views
How to send data to sim900 only once in loop()
I am trying to communicate with a client(PC) from my arduino (set up as a server with a sim900 module connected via UART). I have successfully got it to register its IP address with a dynamic DNS ...
0
votes
1answer
35 views
Fade LED strip using proximity and map() function
I'm using a sonar sensor to detect proximity, and need to control the brightness of an LED strip in direct relationship to the distance detected. For example, as someone moves toward the sonar, the ...
0
votes
1answer
30 views
How to send Json to a webservice from pc/RPI with live data from Arduino(serial)
I'm making a project where my plan is to take sensor input from the Arduino, and then pass that info (by serial/usb connection) through either a laptop or a Raspberry Pi and convert it to Json and ...
-2
votes
0answers
13 views
Control Servomotor RIGHT and LEFT with uncontinious rotation [on hold]
I already modified the motor to uncontinious rotation but when i try to turned to the revrse : rotation from 0 to 360 Deg and turn in the reverse .
0
votes
1answer
30 views
Reading atomic radio clock
i have some data logging to do. And i want some what accurate time meaning accuracy has to be +/- 1 minute.
I have considered a RTC, but then i thought. When i was 10 i got a watch that kept time ...
1
vote
1answer
34 views
Washing machine controlled by Arduino for homebrewing
So, this question might sound a bit silly at first glance (no, I know, it sounds flat out insane), but not all that silly at second.
I have heard once about a guy who transformed some (presumably ...
3
votes
2answers
31 views
Using MULTIPLE shields on Arduino Uno R3
I'm very new to using Arduino! I'll be using Ocean Controls KTA 259 thermocouple multiplexing shield AND a Sparkfun microSD shield on my UNO--to log temperature data for a study I'm doing. The KTA ...
0
votes
3answers
149 views
Can I program Arduino with Python? [on hold]
I know that I can program Arduino with python but is it possible to make every project, which can be completed by normal IDE?
0
votes
0answers
34 views
Cheap 2-5mb memory to use with arduino
I'm looking for a storage solution for small files that would be moved into a small sensor running arduino-like processor.
Ideally the single memory unit would be cheap (in 1-10 cents range), but the ...
0
votes
1answer
38 views
Problem with while loops while detecting frequency of a signal
I just started to use the unusual part of Arduino language (avr) like interrupts, accessing registers, etc in Arduino IDE. I wrote a program to calculate the frequency of a digital signal using ...
-1
votes
0answers
23 views
Comm error between arduino2560 and gsm modem sim900a [closed]
How to rectify comm error in the arduino board?
0
votes
0answers
19 views
Can an RFDuino Implement a BLE Host for a BLE Sensor?
I would like to prototype a bridge from a Bluetooth sensor (client) to the cellular network, using an Arduino to control the communication between the Bluetooth sensor and the internet, via the ...
0
votes
0answers
26 views
Uploading Temperature data (DHT22) to Thingspeak with an ENC28J60
So, I've gotten my module working pretty well. It logs data from the DHT22 and sends it to a 192 address on my LAN. However, I'd like to log and graph the data.
I figured thingspeak is a decent ...
0
votes
1answer
19 views
WiFi UDP.endPacket() continuously fails
I am attempting to send data from my Arduino to my computer using the WiFi shield. However, my code is erroring out on UDP.endPacket(), and I do not understand why. Here is my code:
#include ...
0
votes
1answer
41 views
About arduino serial communication
I've used the arduino uno with the python serial library months ago and some packets got lost in the way. I've been searching about serial communication for arduino and I've been thinking that I could ...
0
votes
1answer
20 views
Wiring VCNL 4000 Proximity Sensor
I was looking for wiring the VCNL 4000 Proximity Sensor.
I found this one http://bildr.org/2012/11/vcnl4000-arduino/
but there is used a sensor on a red board, which has other pins like mine (which ...
0
votes
1answer
12 views
VCNL4000 Proximity/Light sensor
I want to use the VCNL4000 Proximity/Light sensor s.
http://www.adafruit.com/products/466?&main_page=product_info&products_id=466
In the package i've this 6 pin connector but the VCNL has 5 ...
0
votes
0answers
16 views
Arduino Pro Mini gives error when uploading- “stk500_recv(): programmer is not responding” & “stk500_getsync() : not in sync: resp=0x00”
I have a Arduino Pro Mini clone to which I am trying to upload the Blink sketch. I am on Ubuntu 14.04. USB to UART CP2102 (arduino programmer I am using) drivers are available by default with this ...
0
votes
0answers
17 views
Why is a resistor to GND needed for a switch that is open? [duplicate]
I don't understand the books explanation for why a 10k resistor is needed for an open switch to write LOW to a digital pin. I thought no voltage is LOW anyway. Can someone explain in a little more ...
0
votes
0answers
27 views
Serial Connection to Phone Line
I was hoping to create a cheap security system by connecting an Arduino to the phone line output of a base station.
Since the base station should call a phone number if the alarm is tripped I ...
