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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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4.1k views
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  • Description
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  • Discussion 5
  • The 2018 Hackaday Prize
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  • eduardo-zolaEduardo Zola

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  • ESP8266-ScreenSetWifi
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  • The 2018 Hackaday Prize
  • Open Hardware Design Challenge

This project was created on 04/23/2018 and last updated 8 years ago.

Description

ESP8266 Screen Set WiFi Credentials<br><br>Transfer data (WiFi credentials) from your smartphone to an ESP8266 by Pulsing your Smartphone Screen<br><br>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.<br><br>Items required:<br><br>- ESP-12F (and all the basic componentes to make it work)<br>- Resistor 300k<br>- LDR 50K-50M Omhs (GL5539)<br>- Unzip the library ESP8266-screenSetWifi-master (attached in this projet) into your Arduino Library Folder<br><br>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.<br><br>Github: <br><br><a target="_blank" rel="noopener noreferrer" href="https://github.com/egzola/ESP8266-ScreenSetWifi">https://github.com/egzola/

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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?

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