Tag Archives: Sensor HC-SR04

ESP8266/NodeMCU using HC-SR04 Ultrasonic Sensor and Blynk App.

Demonstration test on Ultrasonic Distance Sensor HC-SR04 with NodeMCU, Parking Car sensor https://drive.google.com/file/d/0Bzs8FwNnMHVBUjVJdUZKNmdlRFE/view?usp=sharing source Blynk Makes Developing Mobile Apps to Power Arduino or Raspberry Pi Projects slightly Simpler Android/iOS: When you desire to manage a Raspberry Pi or Arduino connected device from your cellphone, you’d usually should know at minimum some coding. Blynk is an […]