How Bats Inspired One Of The Most Famous Distance Sensor : Everything about HC-SR04If you are into IoT or Embedded Systems, you must have come across the HC-SR04, commonly known as the ultrasonic distance sensor, which is used to measure the distance of objects. This sensor is included in most Arduino kits, and it was also the firs...Aug 27, 2025 · 5 min readblinkybrain.hashnode.dev
OTA : Your Code Flowing Through AirHave you ever uploaded code on your ESP32 that compiled successfully, but later you realized you mentioned the wrong HTTP server URL or defined the wrong pin for the LED? I can’t say about you, but it has definitely happened with me — and it’s frustr...Jul 5, 2025 · 6 min readblinkybrain.hashnode.dev