Water detector with 4 level stages. Each stage makes the 555 timer to give a supply period for the buzzer. The active buzzer transmits sound with a pause period between 0.5-3 seconds, depending on the level detected.
Accurate energy gauge for a SC E-Bike. Developed by Eugene Halgryn, Faculty of Science and Engineering, University of Waikato.
If one wishes to clone this projct, please provide recognition of original designer if used.