Questions tagged [arduino-uno-wifi]

Arduino Uno WiFi R2 It's basically an Arduino Uno Rev3s with a 8-bit AVR microprocessor from Microchip, and an onboard IMU (Inertial Measurement Unit). As for the WiFi connection, that's made secure with the new ECC608 crypto chip accelerator.

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Why am i getting this error when using AT commands with es8266?

I have an API http://innovations.thinkfinitylabs.com/test/comm/sens.php?key=f46fa009d3c6902ea2a805567c7ed4&val1=01&val2=02&val3=03&val4=04&Stat=1 which return a JSON response. When ...
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31 views

Two SSL connections at the same time on Uno WiFi rev 2

So I want to have one persistent SSL connection to a cloud server (Azure IoT Hub) to upload telemetry and another SSL connection to a server to perform a simple GET request every 30 minutes. I've ...
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59 views

I'm getting an error while uploading my code to esp8266 via an arduino (FatalError('Failed to connect to %s: %s' % (self.CHIP_NAME, last_error)))

Arduino: 1.8.13 (Windows 10), Board: "Generic ESP8266 Module, 80 MHz, Flash, Legacy (new can return nullptr), All SSL ciphers (most compatible), dtr (aka nodemcu), 26 MHz, 40MHz, DOUT (compatible)...
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103 views

Can I get around extremely long time to setup WIFI connection WPA2 Personal?

I'm using the Arduino Wifi Nina Library to connect an Arduino Uno Wifi Rev2 to wifi and then using the Arduino HTTP Client library to make HTTP post calls to the internet. To connect the Arduino to ...
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43 views

Uno Wifi rev2 - after long time it disconnects

Given an Arduino Uno Wifi Rev2 with this small U-blox NINA wifi module. All work great however after a long time (I can't be more exact but we talk here about weeks if not months), it suddenly ...
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1answer
35 views

Solution needed for sending HTTPs requests from multiple Arduino units in the field

I'm using the Arduino Wifi Nina Library to connect an Arduino Uno Wifi Rev2 to wifi and then using the Arduino HTTP Client library to make HTTP post calls to the internet. It is working. However when ...
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33 views

Control Arduino through a website

I want to know is it possible to control an Arduino through a website. I have seen some tutorials that are doing it but it is in a local network. What i am trying to do is : - Arduino connected to ...
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243 views

MD5 Password in Sketch

I'm playing with Over The Air (OTA) updates in my LoLin. I can make connections to my router and OTA updates seem to work well. I'm uncomfortable storing my WiFi router SSID and password unencrypted ...
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2answers
120 views

Arduino uno wifi rev2 stuck inside loop

It might be a stupid question but I can't figure it out. While running the code below. I want to open the box when the code matches the code in API. This all works. I can even close the box afterwords....
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52 views

Arduino uno wifi rev2 error compiling sketch to board [duplicate]

I'm having an irritating situation with my Arduino Uno wifi rev2 board. I made an installation with an LCD, keypad and little servo motor. I first wrote the code for my regular Arduino Uno and ...
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136 views

Arduino uno wifi rev2 get status code from server data

I'm having trouble figuring out how I can extract data from my server call. I am trying to check whether the code that was entered in a boxlock matches the code stored in our database. If the code ...
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122 views

Arduino uno wifi rev2 get json data from api

I'm not so familiar with Arduino UNO wifi rev2. I bought it for a project that I am working on. In general, I have a box that you can open with a code. The Arduino should make a call to the API and ...
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1answer
199 views

What is ECC608 crypto chip accelerator used for in Arduino Uno Wifi rev2?

Arduino Uno Wifi rev2 includes an ECC608 crypto accelerator chip. Even their documentation states "As for the WiFi connection, that's made secure with the new ECC608 crypto chip accelerator." My ...
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44 views

Uno Wifi rev2 - SSL socket connection

On Arduino Uno Wifi rev2 I want to create an SSL socket to my own SSL socket server implementation. The board can download a webpage with encryption (after I've installed the certificate into it of ...
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220 views

Make OTA work with Arduino Uno Wifi

I just bought a Arduino Uni Wifi Rev. 2, with the itention of doing over the air uploads to the devices. By reading the official Gettings started with the Arduino Uno Wifi guide, I thought the ...
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226 views

'TCCR1B' was not declared in this scope

I'm trying to use a MS5540C (digital pressure sensor) and the sample code has this line: TCCR1B = (TCCR1B & 0xF8) | 1; //generates the MCLK signal I'm a bit of a noob to the IoT but its not ...
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65 views

Problem with multi-client ASCII text parser (TCP)

I have been having a heck of a time getting my Arduino Uno Rev2 application to work as intended, which is to parse commands from multiple clients sending in ASCII-based commands over WiFi in order to ...
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1answer
40 views

strcat parameters throwing pointer errors in my tcp server / parser application

I am attempting to use an Arduino Uno WiFi Rev2 board to integrate some lonely data. I will use the NINA WiFi chipset and associated libraries to start a server that will periodically request and ...
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1answer
201 views

Udp.endPacket fails

I am trying to send measurements over UDP, but the function Udp.endPacket continuously fails. I use an Arduino Uno WiFi rev 2, WiFiNINA library version 1.4.0 and WiFiNINA firmware version 1.2.1 which ...
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52 views

Arduino Uno WiFi Rev2 “no socket available”

My Uno WiFi Rev2 outputs on the serial monitor after ~30 min "no socket available". Until that point everything works just fine, my requests run as expected. I use the .flush() and .stop() commands, ...
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32 views

Arduino Uno Wifi R2 Mesh Network

I currently have a project that uses a few Xbee S1 modules to report temperature measurements to a computer. I'm thinking about reworking the project to use the newer Arduino Uno WiFi R2 boards. Is ...
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143 views

invalid type argument of unary '*' (have 'uint8_t {aka unsigned char}')

New to Arduino and was hoping to figure this out. I am working with a bill acceptor and getting the value once you insert the money. The code works fine with an older Arduino, but I am using Arduino ...
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2answers
745 views

Arduino WiFi Rev2 JSON String

I have been trying to use the WifiNINA library to access the JSON output from the following API using the WifiNINA library and the Arduino Wifi Rev2. This is the code that I have been using (it is an ...
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303 views

Reading Multiple RFID tags / Reading and ignoring/holding the tag

I'm currently doing a project where ideally I will have multiple objects with RFID tags on them that are placed on top of a Adafruit PN532 RFID Shield connected to a Arduino Uno Wifi Rev 2. The idea ...
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1answer
413 views

Can an Arduino (Leonardo) be recognized via Bluetooth as a mouse/keyboard?

I'm new to wireless communication on Arduinos and doing research for a project. I'm looking at the Arduino Leonardo (which is like the Uno) which via its micro USB port can be automatically recognized ...
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286 views

Arduino UNO WIFI Rev 2 - MySQL trouble

I'm using an Arduno UNO WiFi Rev 2 and trying to connect to a database, but it does not connect nor shows any errors. The arduino connects successfully to WiFi and pinging google works fine. But when ...
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1answer
616 views

Cannot compile code from Arduino WIFI shield example

I'm trying to launch the piece of code in this Wifi example: https://www.arduino.cc/en/Reference/WiFiConfig via Arduino.cc online editor, but I'm getting those errors: /home/ubuntu/opt/libraries/...