From our coffee dripper temperature change research, we decide to make a temperature control coffee dripper.

First, we tried to use sous vide. It was a nice idea, but too big and dangerous for use. Because the electric power plug stays just next to the water bath.

That is why we choose electric heat wire and PID controller.

Nara record 1st place in 2017 NZ Brewers Cup Championship with this coffee dripper test version.

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