Older hackers will remember that a crystal set radio receiver was often one of the first projects attempted. Times have changed, but there’s still something magical about gathering invisible signals ...

The FM receiver module is based on the TEA5767 [1, 2] chip. It is a well-known module that could be controlled via the I2C bus. It covers the FM frequency range from 76MHz to 108MHz. At the output, it ...

Arduino-FM-Radio Making FM Radio using PAM8403, TEA5767, ENCODER and ARDUINO TR In this project, frequency control is provided via the TEA5767 FM radio module using Arduino, and these frequencies are ...

Simple ultrasonic antispy voice recording jammer based on ATTINY13 / ATTINY85 with audio amplifier PAM8403 / TPA3116D2 module driving piezo ultrasonic transducers. It prevents from unauthorized human ...