Indian postal department has allotted a unique postal code of pin code to each district/village/town/city to ensure quick delivery of postal services. A Postal Index Number or PIN or PIN code is a ...
💧 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 ...
💧 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 ...
Whether it's to unlock your smartphone, access your online banking or get cash out of the ATM, a four-digit PIN is often there to keep your secrets and your money safe. It’s an important little ...
We must ensure the components are connected correctly as per the above circuit diagram. Note that we can't directly drive the water pump from the Arduino UNO R4 Wi-Fi peripheral pins. For that ...