It is a sports training system for athletes, which allows to measure and increase the capacity of reaction time to stimulation, or reflexes.
https://photos.app.goo.gl/bTA0y0GDYsPbmkWq1
Some images...
SomeVideos...
Taekwondo training (theWorld Champion)
https://photos.app.goo.gl/2n0t39ThD1HRY7qz2
Personal trainer and cell phone
https://photos.app.goo.gl/KoA6mo5NUn9zrMAD2
Tennis Training
https://photos.app.goo.gl/D83am7ToD8Yj4oo22
https://photos.app.goo.gl/XlMRqd4BkXRQL6rw2
Fitness Sport Training
https://photos.app.goo.gl/9vXE4j9x8HDfFQYj2
There are 4 (or more), lights, one of them is the "server"
The server holds 2 nodeMCU boards one is the server itself (the WiFi hotspot) and the other one is the sensor light, all other lights holds only 1 nodeMCU board each.
They are interconnected without wires via WiFi.
The user connects with the cell phone to this same server via WiFi.
Configure the system with parameters such as ignition time, delay, range of activation distances, and type of sequence (sequential or random).
All settings are available in a very simple screen shown in the cell phone.
No need to install software on the phone, just access a link in the browser to see the screen.
Connect the cell phone to the server via WiFi, browse to http://192.168.4.1 use TrainerLights named WiFi spot and password 1234567890
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