This system turns on your range hood automatically

from arduino.cc

As noted in Peter Turczak’s project write-up, having a kitchen hood only works when it’s turned on. To avoid having his apartment constantly smell like “appetizers,” the hacker hooked up an Arduino-based system to trigger it automatically.

The setup senses power input to the stove using a current transformer, processing this input with an Arduino Nano. The Nano subsequently switches on the fume extraction hood via a transistor and relay setup, pumping cooking fumes out to the environment.

Everything is mounted inside of a circuit breaker box, along with a manual override switch that enables the fan, even when the stove isn’t active.

More details can be found in Turczak’s post here. Note that in some areas you need a licenced professional to modify mains AC wiring.

If you're interested in making your own version, PMD Way has you covered with a huge range of parts including Arduino Uno compatible boards, motor driver shields, stepper motors, and more.

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13th