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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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43 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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38 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
27 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
40 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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23 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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24 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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63 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
413 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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179 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
256 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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197 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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348 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/...