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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Trouble connecting Uno + ESP8266 to Wifi
I am trying to build a simple project to get data from a web server and display it, using an Arduino Uno R3 clone with integrated ESP8266 wifi.
What I have so far:
The ESP8266 attempts to connect to ...
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Grove LCD display not working with arduino rev 2 wifi (Unknown error at address 0x3E)
I am trying to connect Grove 16x2 LCD (White on Blue) to my Arduino uno rev 2 wifi.
So far, I've tried hd44780 library's ioClass examples, but nothing worked. I've then decided to scan ports and when ...
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avrdude: usbdev_open(): cannot open device: Permission denied
I'm trying to upload anything to my Arduino Uno Wifi Rev2, I'm on Arch Linux, but I'm failing with the following error be it via IDEv2 or arduino-cli:
avrdude: usbdev_open(): cannot open device: ...
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Setup loops: never enters loop - restarting?
I uploaded the following to my UNO with WiFi:
#include <SPI.h>
#include <Wire.h>
#include "Adafruit_CCS811.h"
Adafruit_CCS811 ccs; // The air quality sensor
String ...
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Playing a sound file with Arduino Uno Wifi
I have an Arduino Uno Wifi (Rev2) and I want to play a sound file. I found two libraries so far but neither of them work. The TMRpcm library (https://www.arduino.cc/reference/en/libraries/tmrpcm/) ...
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Receiving "ERROR: Timeout waiting for client." when connecting to a single table in database - mysql connector on Arduino Uno Wifi Rev2
I have a MariaDb database on a local server and I am using it to store data from various Arduino's around my shop. The database currently has 12 tables. I also have another Arduino Uno Wifi Rev2 that ...
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Thermistor returns correct value on Arduino Nano, completely fails on Arduino Uno Wifi Rev 2?
I am completely baffled. When I wire the thermistor into my Nano, everything reads completely fine. Then when I switch to the Uno Wifi Rev 2, I get negative numbers -40 to -80 when I was reading 24 on ...
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Arduino analog input to iphone notification
I need some help :)
Is it even doable?
Is there anyone who wants to help me program it?
My wish:
I want to receive a iphone notification when 1 arduino analog input drop from 5 to 0 volt.
Then (...
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Connecting Web Server in GoDaddy Hosting
I have a domain. It is hosted by GoDaddy. I need to connect that server and receive some data by executing PHP files.
I am not sure about the components.
Tutorials on internet describes how to control ...
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Uno Wifi Rev2 Programming via Uno R3 ArduinoISP
I'm attempting to program Atmega4809 (Uno Wifi Rev2) via the ICSP pins on the board by connecting in this manner:
The difference is that I have a Uno Wifi Rev2 on the right instead of a Uno R3. I've ...
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Selection of module for person following shopping cart
I'm building a person following shopping cart with Arduino for my final year project. The cart is supposed to be able to follow its user while shopping use of Bluetooth module or wifi module will be ...
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Run function concurrent to server.available()
I have a Arduino UNO WiFi Rev2 board that runs WiFiServer serving as a web server. The server listens and accepts clients using server.available(). I also want a loop that controls a servo in ...
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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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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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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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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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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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'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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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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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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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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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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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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