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Arduino

Questions tagged [web-service]

The tag has no usage guidance.

24 questions
info Newest Frequent Votes Active Unanswered
0
votes
2answers
101 views

Parse UNIX-time from char[]

I want to parse a large number to sync time on my arduino. For this i send it a string with the current time in Unix time format wich looks somethink like this: 1535441277 For this I just call a ...
0
votes
0answers
16 views

Node Mcu DHT11 Update set temprature

I am using Node mcu with DHT11 . I could able to display temperature & humidity on local web server.I want parameter set temp it can be changed from local web sever. Now i could able to create ...
0
votes
1answer
410 views

Posting data to ASP web service from GSM using AT commands - where am I going wrong

I'm using an Arduino uno with a SIM900 GSM shield. I'm trying to connect the Arduino to my (ASP MVC) website. I've written an API which i've successfully tested with postman, and whilst the GET ...
2
votes
2answers
8k views

How do you post json data to HTTPS endpoint from ESP8266MOD?

Board: ESP8266MOD module from AI Thinker. Using ArduinoHttpClient I am unable to send a post message to an Azure IOT Hub endpoint. The endpoint is listening on 443 and expects a shared key passed ...
-1
votes
1answer
839 views

How to get the server response when I post to a web api [closed]

I have an arduino which is using a TCPClient to post JSON messages to a web api. First, I have pasted the code below to see if people have general comments about the method I am using to do so. I am ...
1
vote
1answer
168 views

Sending JSON message to web api via post. Why does HTTP 1.0 versus 1.1 make a difference?

I am sending a message to a web api call every xx seconds. I could not get it to work at all until I changed the header from HTTP 1.1 which is what I was using to HTTP 1.0. Then, it started working. ...
-3
votes
1answer
343 views

Arduino sim900a GPRS POST method asp.net [closed]

Post method is run perfect using postman. error while post the data on server using arduino sim900a module gprs. Arduino code mySerial.println("AT+CGATT?"); delay(100); ShowSerialData(); ...
0
votes
1answer
567 views

Arduino connection websocket always fails

I am using the Arduino Websocket Client library to connect my Arduino Uno to a Socket.IO server. But the connection always returns 0 (fail) after the handshake. Anyone has used this library before? ...
0
votes
2answers
3k views

Reading values from SQL Arduino ethernet

I'm about to do this project where I will make some lights flash up depending on some values that are in an SQL database on a server. I have already bought my Arduino and waiting for it to arrive. But ...
1
vote
1answer
482 views

Is there a library to use Amazon IoT services on any Arduino?

I started to work with AWS IoT today, which offers a MQTT based connection to their web service. They officially only have a demo for the Arduino Yún, which is rather expensive. Has someone managed to ...
2
votes
1answer
450 views

HTTP Post not working

I am wanting to POST some data from Arduino to WebService (written in .NET), intending to save some temperature data to MS SQL Server. My code in arduino is: void PostarDados(String dados, String ...
0
votes
1answer
992 views

Send data using Arduino GSM shield GET/POST/PUT?

I am trying to modifiy the Arduino GSM library Xively example to geeknesia.com. The serial said "successconnecting.." but I didn't get any value change in the website. Did I make a mistake with this ...
1
vote
1answer
667 views

upload real time ultrasonic sensor data to pubnub using arduino and esp8266

I want to upload the real time data of ultrasonic sensor attached to my Arduino Uno and I have been using esp8266 module for the WiFi connection. I want to upload to PubNub but I don't know how to ...
2
votes
0answers
2k views

Sending data from Arduino UNO as a SOAP request

I have a servo motor on one end which can be turned ON and OFF with web service sending SOAP request. In the other end I have my Arduino UNO with ESP8266. Currently, I am able to send HIGH or LOW ...
0
votes
3answers
3k views

Send commands to Arduino from the WEB

I need to send Arduino some instructions from the web. Basically I would have a web app with a few buttons, and when I press them they send an instruction to Arduino to move for example a motor or ...
1
vote
2answers
254 views

How to setup Uno + xbee shield 1.1 + wee wifi chip?

I am an absolute beginner with electronics and Arduino. I have this hardware: arduino uno xbee shield 1.1 wee wifi chip I've tried to make them work (to connect my Uno to the Internet) but I can't ...
1
vote
1answer
966 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 ...
0
votes
1answer
355 views

Cannot send two arguments from a WebClient

I am using the Arduino WifiWebClient to insert records into a RoR (Ruby on Rails) app. It works but it only inserts one field regardless of the number of arguments I send. For example, if I test ...
0
votes
1answer
1k views

Webservice C# JSON to Arduino

I have a project in Microsoft Visual Studio C# and I have to pass JSON data to my Arduino via Ehternet Shield. This is how it works: Is it possible? How to do it?
0
votes
2answers
3k views

Arduino Yun Webpage Server Issues

So, I've made a sketch on my Yun, which I would like to be able to take information from a webpage (like a button) and have the Arduino Microcontroller perform functions based on what button is being ...
2
votes
0answers
577 views

Arduino + Web Service [closed]

I am doing my CBT, and i need help... I need a Webservice in C#, and it will send commands to my Arduino( Mega 2560 + Ehternet Shield )... My Webservice will recibe commands from Android and Web ...
-1
votes
2answers
2k views

Arduino Mega & WiFi Shield; why web server every time says my A7 pin reads 0V?

I have got Arduino Mega 2560, Arduino WiFi Shield and resistor 1.5K. Now PWM 2 is attached to the resistor then attached GND. 5V is attached between PWM2 and resistor's up point. I want to read the ...
-4
votes
1answer
694 views

What's the best way to put in a database sensors data's [closed]

I have not already started to try but I'm a good webmaster and I'm just asking which way is more suitable for sending and keeping data from sensors and I/0 state in a database. Here are some points: ...
12
votes
2answers
29k views

Post Data To a Web Service From Arduino

If you want to submit sensor data such as temperature to a remote server/database somewhere you need to use some kind of call to a web server since it isn't possible to connect directly to a database ...