- Use of electrical buzzer when drinking bin is empty
- small ball makes contact with drinking bin when empy
Expected +: Clear audio signal
Expected -: Dangerous vor the dog, he could eat it
Tested +: Clear signal when the bowl is empty
Tested -: Water is conductive --> constant light buzzing --> battery fast empty
electricity in the water can be dangerous for the dog
The dog could eat the device
-Kathleen doesn't like it
user experience:
designer experience:
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