Ultrasonic Sensor Buzzer Alert This is an Arduino-based distance detection system using an HC-SR04 ultrasonic sensor. When an object comes within 100 cm, the system activates a buzzer with random ...

TDK showcases its suite of sensing solutions, including MEMS IMUs, MEMS microphones, and ultrasonic ToF sensors at Sensors ...

Connect the MQ-3 sensor and ESP32 following the provided hardware diagram. Update WiFi credentials, Sentilo server details, and sensor information in the code. Upload the code to the ESP32 using the ...

Air-gapped workstations are separated from the Internet because they contain confidential or sensitive information. Studies have shown that attackers can leak data from air-gapped computers with ...