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Questions tagged [wifi]

Wi-Fi is a trademark of the Wi-Fi Alliance. A Wi-Fi enabled device such as a personal computer, video game console, smartphone, or digital audio player can connect to the Internet when within range of a wireless network connected to the Internet.

Use this tag for questions relating to connecting your Arduino to a WiFi network.

668 questions
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WiFi Password Safety

Are there any best practices regarding password safety? The following is taken from a wifi tutorial sketch. #include #include char ssid[] = "yourNetwork"; // your network SSID (name) char pass[] = "secretPassword"; //…
Skiddles
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How can I transmit data to/from arduino from up to ~750 ft away?

I am working on a design project for school (non-capstone non-electrical engineering project) where we are building a system to remotely control a winch on a boat that will lower an independently operating meter to specified depths using a pressure…
PQStorm
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Is it possible to use Wi-Fi as a wireless connection to my Arduino/Windows PC LAN without using the internet

My Situation and Problem: I am wanting to put together a system to help monitor the soil moisture content in my garden and a small heated greenhouse I use in the winter. Also, In the near future I would like to build a system to remotely monitor the…
dancingBear
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5
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1 answer

FCC Certification

I noticed that both the Uno and Wifi101 are FCC certified. Does this mean that these components can actually be used in commercial applications? This never really occured to me before I noticed the markings. I'm sure there is more to a commercial…
acpilot
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4
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Difference between WiFiClient and HttpClient

Apologies if this question appears to be too vague but I would like to know the key differences between these two clients. While WiFiClient comes pre-loaded with Arduino IDE, HttpClient doesn't. Also, to send HTTP commands to a server (XML/JSON),…
LSA747
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5 answers

How to send an email with Arduino and a WiFi shield?

I want to make my Arduino connect via WiFi and then send an email. The idea is very simple, but the problem is that I've never worked with those protocols and other things before. I just wanted something that's already premade, so I would just…
user3504192
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What's the smallest Arduino board with wifi capabilities?

The Photon from Spark IO looks super small. Are there smaller wifi enabled microcontrollers available that can be programmed with the Arduino IDE?
uwe
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3
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Client or WiFiClient wrapper for adafruit CC3000 wifi

I have a CC3000 wifi module from adafruit that is working OK. Now, I am trying to use it together with an external service, which code requires me to pass a Client (from Arduino SDK) reference, but the Adafruit_CC3000_Client does not inherit from…
drodri
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Arduino Serial Monitor displaying weird characters and changes spelling

I am recieving the following in my serial monitor. There is a mix of wierd characters then the spelling changes for words once it gets repeated. I don't know why its doing this. my esp01 chip uses 115200 baud rate and the program is 115200 baud…
user70135
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How are the different sleep modes used for esp8266?

I am currently trying to power my esp8266 with a battery, but I want to decrease the power consumption (current mostly). I understand there are different sleep modes, but I do not understand what can I use for each sleep mode. I want to know what…
Sherman
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Wifi stopped connecting (Wemos D1 Mini)

I am stumped. I have a few Wemos D1 Mini boards that were working on the local WiFi yesterday, yet today none of them will connect. More puzzling is that I can flash Tasmota on them and they all connect to the WiFi, but none with this code that…
user3573562
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How would I give an Arduino-based product WiFi credentials?

Let's imagine I create this cool little Arduino-based (replace Arduino with any embedded system that's not a Raspberry Pi) object that does some interesting things but it needs an internet connection to retrieve some information. The object doesn't…
memememe
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Arduino Wifi Shield with monitor mode ( promiscuous mode )

Is there a WiFi Shield or driver that supports monitor mode and receiving raw packets ?
Israel Lot
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Seeedstudio Wifi shield v1.1 Not working with Arduino Mega 2560

I have been trying use the Seeedstudio wifi shield v1.1 with Arduino Mega 2560 as part of my project but I could not make the WiFly library provided on the wiki work with the Mega. I tried to run the example sketch wifly_test but it did not work I…
Waqas
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WiFi101 vs WiFININA - reliability issues

I've got the same code running on 2 different boards: MKR1010 Adafruit Feather M0 I'm using WiFiNINA on the former, and WiFi101 on the latter. Other than that, the code that's exactly the same: every 10 seconds connects to WiFi, sends an HTTPS…
Eugenio Pace
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