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ESP8266 Projects

Ultrasonic Door Lock with WiFi Control

ultrasonic door lock wiring diagram

For this project, I am using an HC-SR04 ultrasonic sensor for opening a solenoid door lock. Basically, the ultrasonic sensor acts as a proximity detector. A solenoid lock triggers when an object blocks the sensor at a given distance. In addition, a web app can act as WiFi remote control …

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NodeMCU IoT Environment Monitor

Project Overview This NodeMCU IoT project is a simple demonstration on how to send sensor data to the Internet. Powered by a NodeMCU ESP8266 microcontroller, this project is able to show temperature, humidity and atmospheric pressure to any MQTT subscriber.

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NodeMCU WiFi Jammer

NodeMCUv1.0 Pinout

There is, in fact, a way to create a NodeMCU WiFi jammer although technically, this is a deauther and not really a jammer. A jammer sends out noise on the WiFi frequency spectrum (2.4 GHz) while the program in this tutorial sends packets that disrupts the normal functions of your …

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