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

An easily implementable signal conditioning circuit for resistive humidity and temperature sensors is presented. It is based on a relaxation oscillator in which both the frequency and the duty-cycle ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

PID-based one-axis ball balancing robot using Arduino. Uses an ultrasonic sensor and servo motor to stabilize a ball at a target distance. Real-time tuning of Kp, Ki, Kd via Serial. Includes stability ...

Water level monitor using open-source microcontrollers (Arduino, ESP8266, ESP32) and ultrasonic sensors HC-SR04 / JSN-SR04T and similar with Trigger and Echo signals. Arduino Core & ESP-IDF ...

We present a low-power gas sensor design based on a capacitive micromachined ultrasonic transducer (CMUT), for use on self-powered wearable platforms. Earlier a CMUT-based sensor, with 70-mW power ...

Off-ramps along Interstate 40 will be closed around the clock to undergo testing of wrong-way detection systems.According to a release, only emergency responder ...

The project includes 3D-printed parts, wooden supports, and a repurposed mini conveyor belt.The working combines stepper motors, IR sensors, and a 16x2 LCD.A NEMA17 stepper motor is used to rotate the ...