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12 July 7, 2025- 7.8
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And God said, let there be light. And there was light.
Light Message is an application allows you sending short messages between two smartphones by screen‘s flash.
HOW TO USE :
Step 1, Install Light Message on two Android smartphones and execute the application. One as sender and another as receiver.
Step 2, On sender, type the messages you want to send, and click SEND button. Then cover the receiver's light sensor by the sender's screen rapidly. (The light sensor is on the top of front face, above the screen. Now, if you use the screen for sending, you can keep a distance within 10cm. And you can keep within 50cm if you use the LED)
Step 3, On receiver, click RECEIVE button, and just wait for the result. Hope you enjoy it !
Attention, Step two and step three must be done in 5 seconds.
While it does not work for some devices caused by the variance of light sensors and systems. But with the improvement of devices and systems, new supports will be added and the transmisson speed will be improved in the future. Thanks for looking forward.
For the sake of the light.
This project is Open Source now. You can find the resource code here:
https://github.com/yuanyu0714/LightMessage
