Ultra Roasting Oven X3000

Goals

A micro-controlled rotisserieCooks to user desired levelEasy to use interface

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.

Methodology

Internal/External Temp Sensors Retractable internal sensor

Basting Assembly

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

)

Component – Rotisserie Oven

                                                

Ronco Showtime Rotisserie Oven

Main Menu

Custom menu

Confirmation Screen

Cooking Output Menu

High Level Software Description

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

}

System Test

Special Startup ModeFunctionality TestCheck LEDsCheck Temperature SensorsCheck Relays

Questions?