KITCHEN EXHAUST FAN CONTROLLER ALI ALHERZ FLAVIO GOMES GIANCARLO GRAMAZIO 12/1/2014 Polytechnic School of Engineering.

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Presentation transcript:

KITCHEN EXHAUST FAN CONTROLLER ALI ALHERZ FLAVIO GOMES GIANCARLO GRAMAZIO 12/1/2014 Polytechnic School of Engineering

PROTOTYPE 6/11/20162 ComponentFunctionCost Arduino UNOMicroprocessor30$ MQ 2LPG sensor2.58$ MQ 7CO sensor7.25$ DS18B20Digital thermometer 9.96$ Electric components ~5.00$ Wire and packaging ~5.00$ FanActuator5.00$ Total ~64.79

SET UP 6/11/20163 Input: Pin D7 (from MQ 2) Pin A0 (from MQ 7) Pin D10 (from DS18B20) Output: Pin D2 (temp. sensor indicator) Pin D3 (gas leak indicator) Pin D4 (CO indicator) Pin D8 (MQ 7 voltage control) Pin D12 (actuator switch)

SET UP 6/11/20164

CASING 6/11/20165

DEVICE 6/11/20166 SensorPrototypeFinal product MQ 2Any trace MQ 7>35 ppm180 ppm DS18B2030°C45°C A switch can be used to disangage the system and an LED shows the ON-OFF status It can be mounted on a wall The temperature sensor is waterproof and can be placed above the stove

PIC16F688 is a cheaper alternative microcontroller for mass production S208T01 Series solid state relay replaces the transistor as a control switch The circuit is done on a printed circuit board following the industry standards Professional casing for the device with mounting mechanism MANUFACTURING 6/11/20167

TEST 6/11/20168

Thank you! Questions? 6/11/20169