Electronics > Beginners

WiFi for existing Arduino

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NivagSwerdna:

--- Quote from: ziplock9000 on July 02, 2018, 09:19:33 pm ---I've been looking for a cheap and easy to use way to add WiFi capability to my Arduino UNO and then potentially a stand alone pro mini solution. After lots of Googling I keep finding the fabled ESP8266 solution in all of it's forms. The only "problem" is that every solution I find has a module that also includes its own MCU which is programmed separately from the host Arduino. Short of using the WiFi chip directly, are there no WiFi modules that plug into an existing Arduino and allow you to program that instead.. with all of the functionality you'd expect, ease of use etc?

--- End quote ---
I have a number of Arduino based clocks (of strange designs) around my house and wanted to keep them synchronised.  My partially complete solution is to use a ESP8266 with a minimal program that allows me to connect to the arduinos via their UARTS to configure them.  i,e, the ESP8266 is merely a serial bridge.  There already exists code out there to do the annoying bits like configuring the WiFi access point parameters etc. (It might have been https://github.com/tzapu/WiFiManager will have to check my notes)

I bought a few ESP-01 and a programmer adapter from EBAY on the slow boat from China.  I think they were <£1 each and seem to work.

ziplock9000:
Brilliant thanks. This could be what I'm looking for.

NivagSwerdna:

--- Quote from: ziplock9000 on July 04, 2018, 11:28:28 am ---Brilliant thanks. This could be what I'm looking for.

--- End quote ---
np. Live long and prosper

Sudo_apt-get_install_yum:
The ESP8266, 85 and 32 are all µC that have a core for handling the wireless communication, you can program it just like a Arduino UNO since it’s a µC. what many people did in the beginning of the release of this chip (before the dev tools were released) they used it as a serial bridge and sending "AT" commands to it to connect to WIFI. If that’s what you want you could just buy an ESP and load the AT command firmware on it and then just send the commands from the UNO.
 
Or you can skip the UNO and program everything directly on the ESP. it’s even compatible with the Arduino IDE and has a ton of community support!

ziplock9000:
I may end up using different combinations of the above depending on the application. Thanks

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