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Overview
Pump Coils Test Error
Rotisserie Oven
Temperature Sensor
Roast Prongs
Collection Basin
Basting Pump/Pipes
Basting Distributor
System metrics
How do we know that we have accomplished our goals? Answer: Is the meat prepared to the user’s specification.
Hardware Layout
ATDPort
ThermalSensors
PressureSwitch
Timer
PumpRelay
CoilRelay
MotorRelay
Port B
LCD
RS-232
HC12Board
UIButtons UI LEDS
Timer Port B
Component – Thermal Sensors
Thermistor Characterization
0
20
40
60
80
100
0 50 100 150 200
Temperature (Celsius)
Re
sis
tan
ce
(k
Oh
ms
)
Oven Running Algorithmwhile (cook time is not exceeded) {
get temp readinglog temp reading in rotating cueif (internal temp changing AND final cooktime not set)
recalculate final cooktimeif (internal temp is too cool)
if (external temp is not too hot)turn on/keep on heating element
if (external temp is too hot)turn off heating element
if (internal temp is correct/too hot)turn off heating element
}
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