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ESP8266 Screen Set WiFi Credentials

Transfer data (WiFi credentials) from your smartphone to an ESP8266 by Pulsing your Smartphone Screen

Eduardo ZolaEduardo Zola
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  • Discussion 5
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  • Eduardo ZolaEduardo Zola

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  • ESP8266-ScreenSetWifi
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  • The 2018 Hackaday Prize
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This project was created on 04/23/2018 and last updated a year ago.

Description

ESP8266 Screen Set WiFi Credentials

Transfer data (WiFi credentials) from your smartphone to an ESP8266 by Pulsing your Smartphone Screen

To setup your WiFi Credentials put your ESP12F over a Smartphone screen, and let the Black and White Oscillation transmit the information. Note: You need to cover the LDR, in a way no light can enter. The LDR should not touch the screen, it needs stay some millimeters far from the screen.

Items required:

- ESP-12F (and all the basic componentes to make it work)
- Resistor 300k
- LDR 50K-50M Omhs (GL5539)
- Unzip the library ESP8266-screenSetWifi-master (attached in this projet) into your Arduino Library Folder

PS: You can try other variations of resistor values and LDR types. Just make sure the max resistive value of LDR is greater than the pull-down resistor.

Github:

https://github.com/egzola/

Details

Files

esp8266_screenSetWifi-master.zip

x-zip-compressed - 3.22 kB - 04/23/2018 at 14:24

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screenSetWifi.zip

x-zip-compressed - 3.43 kB - 04/23/2018 at 14:24

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Duke Circuit Co.,Ltd wrote 05/03/2018 at 01:12 • point

Is it work like a scanner?can take a video,how it work?

  Are you sure? yes | no

Louis Lo wrote 05/02/2018 at 17:57 • point

I am implementing exactly the same idea. But you did faster than me. :-)

  Are you sure? yes | no

morgan wrote 05/02/2018 at 17:52 • point

Very cool! I tried this same thing last year and hadn't succeeded. I started with an LDR setup like yours and had terrible results. Moving to a phototransistor helped but I still never quite managed it. Time to revisit I guess.

  Are you sure? yes | no

Dillon Nichols wrote 05/02/2018 at 17:17 • point

electric imp has a similar technology called blinkup https://electricimp.com/platform/blinkup/

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ch.dugasduvillard wrote 04/26/2018 at 13:34 • point

Interesting project! How much time does it took to get the information?

  Are you sure? yes | no

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