Re: Current consumption of LCD kitchen timer?

On 06:13  12 May 2025, Paul said:

 
Does a piezo run off 1.5V ?
 
This sounds like alien technology.
 

That was my guess based on the single alkaline cell the timer uses.

However I hadn't considered a voltage converter inside. I reckoned the
timer would use only the bare minumum circuitry like a counter IC and
display driver.