I build robots that move, blink, and sometimes even creep you out. From animatronics to 3D printing experiments, I fuse ...

The I2C example was named "Wire" in the Arduino example. The Arduino example uses A4 as the I2C SDA and A5 as the I2C SCL. Another important thing is that the GND pins of Arduino and Ameba should be ...

Tone is determined by the frequency of the sound wave. Timbre is determined by the waveform of the sound wave. In this example, we use PWM to control the buzzer to emit sound with desired tone. As PWM ...