Sound Sensor LED BAR Circuit： The output of sound sensor is analog signal, we connect it to A0 of Seeeduino. LED Bar needs 10 IOs, about the connection, please refer to LED Bar. Code: Open Arduino IDE ...

Electronic systems can help the visually impaired. This project combines an Arduino Nano, a TCS34725 color sensor and a buzzer to assist color blind users.

Users will need to provide their own Arduino Pro Mini and the hardware features a 1.4 W, 8 Ohms, Texas Instruments TPA2005D1, 14 bit ganged PWM, PWM 8 kHz low pass smoothing filter all powered by ...

They’re using a cheap sound sensor module and an Arduino to catch instantaneous photographs, with students caught in the act of popping balloons.