Open Source Arduino NodeMCU ESP8266 C++ Project
It is a sports training system for athletes, which allows to measure and increase the capacity of reaction time to stimulation, or reflexes.
From implementation to design electronics and first tests.
Complete project:
Software source code C++
3D Design 3D Print ready STL files
Electronics Diagram
https://www.hackster.io/hongo2/traine...
more photos and videos
https://photos.google.com/share/AF1Qi...
GPL-3.0 license
https://opensource.org/licenses/GPL-3.0