The Awesome Electric Range (Stove) Monitoring Device

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    According to the author

    Are you tired of having to rush back home when you are already late for appointment, to find your stove was actually off? Or tired of the shockingly high bills at the end of the month due to the hours that the stove was left on by mistake. Here is an easy hack for you that is cheap and easy to do…”

    Key Functions:

    This device has the following unique functions:

    1. Checks the status of the range (ON/OFF)
    2. Activates a timer whenever the range is ON
    3. Sets off a buzzer (beeps until range is off or change timer time) after the timer expires
    4. User can choose different times for the timer (based on cooking time)
    5. Sends update to a Vera device through an Ethernet Shield Gateway
    6. Ability to check the status of range (ON/OFF) on your phone
    7. Ability to receive email notification when the timer expires (Vera Scenes)

    Operation:

    The photocell is placed on top of the status LED to detect the light from the status LED of the range. With the range ON/OFF it sends a HIGH/LOW signal to the attached Nano. The Nano then sends this information to the Vera device through an Ethernet Shield Gateway and the device status gets updated. It sends email/notification to the user based on the set Scenes in Vera. It also actives a timer in the Nano and sets off a buzzer (beeper) after the set time expires. By default, the buzzer gets activated after an hour from the time the range is turned ON. User can change the timer time to a greater value (2, 3, 4 or 5 hours) by using a single push button switch. A LED indicates which time the timer is set to.

    If the range is kept ON for the time period that was set, the buzzer gets activated and status gets updated in Vera device. Once the range is turned OFF everything gets reset and Nano waits for next trigger. The photocell sensor is placed on the stove using a magnetic housing allowing for an easy removal during cleaning.

    Materials:

    The following materials were used in this project:

    1. ATmega328 (Arduino Nano) x 2 (One for gateway, one for this sensor)
    2. A temperature / humidity sensor AM2320 (was not required for this project but used it for monitoring temperature / humidity of our main floor / kitchen) x 1
    3. Photocell x 1
    4. Pushbutton x 1
    5. Buzzer (4-12V) x 1
    6. NRF24L01 x 2 (One for gateway, one for this sensor)
    7. 100k trimmer pot, few other resistors
    8. LED x 5
    9. Capacitor 10uf, 25V or 4.7uf, 16V x 2
    10. 2N3904 x 2 or BC547 or similiar
    11. WizNET (W5100) Ethernet module x 1

     

    For more information, please refer to the following link; https://www.openhardware.io/view/61/The-Awesome-Electric-Range-Stove-Monitoring-Device.

    Source : https://www.openhardware.io/view/61/The-Awesome-Electric-Range-Stove-Monitoring-Device

     

    According to the author

    Are you tired of having to rush back home when you are already late for appointment, to find your stove was actually off? Or tired of the shockingly high bills at the end of the month due to the hours that the stove was left on by mistake. Here is an easy hack for you that is cheap and easy to do…”

    Key Functions:

    This device has the following unique functions:

    1. Checks the status of the range (ON/OFF)
    2. Activates a timer whenever the range is ON
    3. Sets off a buzzer (beeps until range is off or change timer time) after the timer expires
    4. User can choose different times for the timer (based on cooking time)
    5. Sends update to a Vera device through an Ethernet Shield Gateway
    6. Ability to check the status of range (ON/OFF) on your phone
    7. Ability to receive email notification when the timer expires (Vera Scenes)

    Operation:

    The photocell is placed on top of the status LED to detect the light from the status LED of the range. With the range ON/OFF it sends a HIGH/LOW signal to the attached Nano. The Nano then sends this information to the Vera device through an Ethernet Shield Gateway and the device status gets updated. It sends email/notification to the user based on the set Scenes in Vera. It also actives a timer in the Nano and sets off a buzzer (beeper) after the set time expires. By default, the buzzer gets activated after an hour from the time the range is turned ON. User can change the timer time to a greater value (2, 3, 4 or 5 hours) by using a single push button switch. A LED indicates which time the timer is set to.

    If the range is kept ON for the time period that was set, the buzzer gets activated and status gets updated in Vera device. Once the range is turned OFF everything gets reset and Nano waits for next trigger. The photocell sensor is placed on the stove using a magnetic housing allowing for an easy removal during cleaning.

    Materials:

    The following materials were used in this project:

    1. ATmega328 (Arduino Nano) x 2 (One for gateway, one for this sensor)
    2. A temperature / humidity sensor AM2320 (was not required for this project but used it for monitoring temperature / humidity of our main floor / kitchen) x 1
    3. Photocell x 1
    4. Pushbutton x 1
    5. Buzzer (4-12V) x 1
    6. NRF24L01 x 2 (One for gateway, one for this sensor)
    7. 100k trimmer pot, few other resistors
    8. LED x 5
    9. Capacitor 10uf, 25V or 4.7uf, 16V x 2
    10. 2N3904 x 2 or BC547 or similiar
    11. WizNET (W5100) Ethernet module x 1

     

    For more information, please refer to the following link; https://www.openhardware.io/view/61/The-Awesome-Electric-Range-Stove-Monitoring-Device.

    Source : https://www.openhardware.io/view/61/The-Awesome-Electric-Range-Stove-Monitoring-Device

     

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    kaizen