![]() ![]() no web framework or web server required. ![]() how you could implement simple http over socket io?.how the socket communication work? and,.When I published How to control Raspberry Pi GPIO via http web server in April 2018, I never expected it became number 2 of most popular post (see the "Most Popular Posts" sidebar on the right) a year later, my intention back to then was to demonstrate: I wrote about how to control Raspberry Pi GPIO via web browser without using web framework or full blow web server about a year ago, today I'd like to introduce you an easier way to control Raspberry Pi GPIO via browser using node-RED. ![]()
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