sebulli

Water level gauge for hydration systems

hydration system gauge

Measures the water level contactless and digital. Resolution: 250ml.

Output the water level by sound code. Low current and lightweight.

Current consumption:

16µA or 2 years with a CR2032 battery.

Weight:

42g incl. battery.

Schematics

hydration system gauge

Sensor prototype. Copper tape on PVC board:

hydration system gauge sensor

Output the water level by sound code

2x Chirp: Be prepared for sound code.

low pitch beep: 1 beep per liter

high pitch beep: 1 beep per ¼L (Viertele)

 

Example for 2¼ liter:

icon
Source code