💧 Monitoring water tanker level using NodeMCU ESP8266 and HC-SR04P Ultrasonic Sensor and broadcasting it using a simple HTTP server inside NodeMCU ESP8266 and show data in an Android App Using ...

So it's understandable that you want to protect yourself every chance you get. RFID (radio-frequency identification) is used in many credit cards to allow for contactless payment. Instead of swiping ...

One of the most troubling trends of almost every modern consumer product that uses electricity is that the software that controls the product is likely to be proprietary and closed-source, which ...

There are many ways to lock a door. You could use a keypad, an RFID card, a fingerprint or retina scan, Wi-Fi, Bluetooth, the list goes on. You could even use a regular old metal key. But none of ...

Click the install button. Don’t forget to select your ESP8266 board from Tools > Board menu after installation (e.g NodeMCU 1.0) By default the WifiManager is activated. That is, the word clock makes ...