ESP8266 Module - First order Low Pass Filter combined with Interrupt trigger on falling/rising edge technique gives a very clean response over a broad range on key pressing speeds.
http://www.esp8266-projects.com/2015/...
On this page of the site you can watch the video online ESP8266 Module - Pushbutton Debounce techniques with a duration of hours minute second in good quality, which was uploaded by the user MCU Projects World 31 March 2015, share the link with friends and acquaintances, this video has already been watched 3,183 times on youtube and it was liked by 7 viewers. Enjoy your viewing!