“In this project I’m going to tell you about how to use Over-the-Air (OTA) software update for NodeMCU (ESP8266). In this project I’m going to tell you about how to use Over-the-Air (OTA) software update for NodeMCU (ESP8266). So In this case we are taking a project as we have previously explained named “Wireless Attendance System Using Wi-Fi (ESP8266) with MySQL”. You can get the details here. So what actually I’m going to do here, suppose I’ve installed this system somewhere in a office for attendance of employees or may be in school for attendance of student, now if I need to add more employees or student then what I’ll do I’ll take the NodeMCU and edit the code from system. So this will be a huge problem, as I don’t want to mess up with these things like take out the NodeMCU and connect to laptop or PC and update the code. So what is the solution? Here is the solution and that is we can update the code Over-the-Air(OTA) without even touching the NodeMCU. So this is really a cool thing. So here I’ll tell you how we can update the code Over-the-Air.”
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