The LEDs are arranged in two rows as you would expect, representing hours and minutes. A small piezo speaker serves as the alarm buzzer, which should be sufficient to wake up most people ...

If you’re building a pick and place machine, or even just a vacuum pen, you’ll need some way to pick up tiny part. This means something that sucks, aquarium tubing, and everything that goes ...

The output of this sensor controls the voltage on the piezo stack removing the hysteresis, non-linearity and creep. Each DPT is supplied with a calibration curve which can serve as a basis to correct ...