networking Arduino ?

I am hoping the authors of the Arduino in Action book would be so kind as to share their thoughts on the best way to go about adding wireless networking to the Arduino. I am brand new to the Arduino (picked up one at the Dayton Hamvention) and would like to add WiFi connectivity to it and I'm sure there are a lot of options out there but I would like to get a recommendation on the most cost effective way to do this. I want to transfer a very small amount of data with it to my PC which is already on the WiFi network but it will likely send the data frequently.

Which Arduino have you got ?

There are Arduinos such as the Nano 33 IOT with built in WiFi hardware

Probably something better asked before you bought. If it's just a little job, an ESP-01 may be all you need, and yours for $3. No Arduino needed. ESP8266s various can be added to an Arduino that doesn't have Wifi.

Cheap/Simple Wifi Shield has complete instructions and a link to a cheaper version

Welcome to the forum.

I can recommend you get yourself an Arduino Nano 33 IoT because:

  • it has WiFi and BLE support with an onboard module (all connected ready to go)
  • it is supported by the WiFiNINA library by Arduino which is easy to use
  • it has a Microchip/ATMEL SAMD21 microcontroller with an ARM 32-bit Cortex-M0+ processor with a good peripherals
  • I have one running for many months now collecting some data and sending them to a Raspberry Pi over WiFi for data long term storage and analysis.
  • it is from Arduino, so it would support the guys who create the Arduino software if you get an original

https://store.arduino.cc/arduino-nano-33-iot

Here is a link to the WiFiNINA library reference. Have a look at the examples and documentation. See if this looks easy or not.

https://www.arduino.cc/en/Reference/WiFiNINA

There is a forum section dedicated to this Arduino.

https://forum.arduino.cc/c/hardware/nano-family/nano-33-iot

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