This is what is inside a WCA Gen4 Stackmat

Too simple circuit design. Its funny to see how little they have changed their electronic design in the last 20 years. Waiting for the patent to expire worldwide so that WCA operations will be waaaay more cheaper and we will have better timers as well. Also check out other cool stuff: Go game : https://bit.ly/2ssTA1y Drums : https://bit.ly/2kJsQp6 Astrophysics : https://bit.ly/2kO6bIx Blindfold Chess: https://bit.ly/2Nc0fF2 My discord to discuss about cubing: https://discord.com/invite/qqj6dzBjty My BLD alg sheet: https://docs.google.com/spreadsheets/d/158F-jyu8ld8kbdD4I_Lqy4fsX5vvp_MQOq7Ofg8NdSI/edit?usp=sharing Sponsored by Cubelelo Use the discount code "CUBELANG" to get 50 rupees off your next Cubelelo order at cubelelo.com Yo, don't forget to comment and like all the videos of all the channels Cubelang, 5AlgSolve, AbhiGo, Abhirishi, BlindfoldChess and Dhagetita.