Profitec Go Waterlevel-Indicator with Shot-Timer

A modern display mod for espresso machines with vibrationpumps. Includes a shot-timer and waterlevel-indicator. Uses an accelerometer to detect vibrations for waking-up the display and timing shots. Measures and displays the waterlevel based on a contactless ultrasonic sensor. Attaches to the machine via a magnet for easy repositioning. The mod was originally developed and tested for the Profitec GO, however, other machines with vibrationpumps might work as well.

Features:

• contactless waterlevel measurement
• easy repositioning via magnetic attachment
• automatic wake when interacting with the machine
• automatic shot-timer
• non-destructive installation, minimal wiring outside the machine
• adjustable colors, sensitivity, etc...

Bill of materials, installation instructions and usage hints are available on GitHub.