those (apparently) don't work as knock sensors.
Aha!
So, next question then, is how does one specify to the shop that one wants one as a sensor not as a buzzer? (Hmmmm, probably answered my own question there 
)
those (apparently) don't work as knock sensors.
Aha!
So, next question then, is how does one specify to the shop that one wants one as a sensor not as a buzzer? (Hmmmm, probably answered my own question there )