▬▬ 12. Using Toggle Switches TO and T1, input the following additions and record the SUM and Cout. LED on = 1 LED off = 0. Inputs Outputs T T Cout (L1) SUM (LO) 0 1 0 0 0 1 1 0 1 1

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### Experiment: Sum and Carry-Out in Binary Addition

#### Instructions:

Using Toggle Switches T0 and T1, input the following additions and record the SUM and Carry-Out (Cout). The LED indicates the output, where LED on = 1 and LED off = 0.

#### Inputs and Outputs Table:

| Inputs | Outputs      |
|--------|--------------|
| T    T  | Cout (L1)  SUM (L0) |

| 0    0  |                      |
| 0    1  |                      |
| 1    0  |                      |
| 1    1  |                      |

#### Explanation

For each combination of toggle switch inputs T0 (first bit) and T1 (second bit), you are required to observe the Sum (SUM) and Carry-Out (Cout) indicated by the respective LEDs (L1 for Cout and L0 for SUM). 

- **Sum (SUM)**: The result of the addition.
- **Carry-Out (Cout)**: The carry-over in case the sum exceeds the binary limit of one bit.

Please ensure to record the outputs in the table provided.

**Example:**
- If T0 = 0 and T1 = 1, observe the LEDs:
  - If L1 is off and L0 is on, then Cout (L1) = 0 and SUM (L0) = 1.

#### Author Information

**Kevin Moore**  
Piedmont Technical College
Transcribed Image Text:### Experiment: Sum and Carry-Out in Binary Addition #### Instructions: Using Toggle Switches T0 and T1, input the following additions and record the SUM and Carry-Out (Cout). The LED indicates the output, where LED on = 1 and LED off = 0. #### Inputs and Outputs Table: | Inputs | Outputs | |--------|--------------| | T T | Cout (L1) SUM (L0) | | 0 0 | | | 0 1 | | | 1 0 | | | 1 1 | | #### Explanation For each combination of toggle switch inputs T0 (first bit) and T1 (second bit), you are required to observe the Sum (SUM) and Carry-Out (Cout) indicated by the respective LEDs (L1 for Cout and L0 for SUM). - **Sum (SUM)**: The result of the addition. - **Carry-Out (Cout)**: The carry-over in case the sum exceeds the binary limit of one bit. Please ensure to record the outputs in the table provided. **Example:** - If T0 = 0 and T1 = 1, observe the LEDs: - If L1 is off and L0 is on, then Cout (L1) = 0 and SUM (L0) = 1. #### Author Information **Kevin Moore** Piedmont Technical College
### Example of LED Interface with Breadboard and Microcontroller

In this educational example, we demonstrate the use of a breadboard connected to a microcontroller development board for controlling LEDs. This setup is ideal for beginners learning about electronics and programming microcontrollers.

#### Components:
1. **Breadboard**: A solderless device used to build electronic circuits. The breadboard used is a typical white breadboard with grid-like holes for component placement.
2. **Microcontroller Development Board**: It has various labeled pins for connecting different inputs and outputs. Visible labels include AD1, AD2, P3, P4, etc. This board is used to interface with the breadboard.

#### Connections:

- **Green LED**: Placed on the development board, it indicates power or specific signal conditions.
- **Resistors**: Provide necessary resistance in the circuit to protect components like LEDs.
- **Wires**: Color-coded wires are used to connect different components.
  - **Yellow Wire**: Connected from the P4 pin on the microcontroller to a component on the breadboard.
  - **Blue Wires**: Used for connections between various points. One connects from below the green LED to the breadboard.
  - **Red Wires**: Power connections, likely connecting the positive rail of the breadboard to the microcontroller.

#### Microchips:
Two integrated circuits (ICs) are mounted on the breadboard, used to manage inputs and outputs or perform specific tasks in the circuit. 

#### Detailed Explanation:
The circuit demonstrates basic interfacing techniques for controlling LEDs using a microcontroller. The steps typically include:

1. **Placing Components**: Place the components such as ICs and LEDs on the breadboard.
2. **Wiring Connections**: Use wires to connect components on the breadboard to the microcontroller board, ensuring correct alignment with the labeled pins.
3. **Power Supply**: Ensure the breadboard is powered correctly, connecting the power rails to the microcontroller’s power source.
4. **Programming**: Upload appropriate code to the microcontroller to control the LED’s behavior based on inputs processed by ICs. 

This setup can be expanded to include more LEDs, sensors, or different input devices, providing a basic yet effective learning platform for understanding circuits and microcontroller programming.
Transcribed Image Text:### Example of LED Interface with Breadboard and Microcontroller In this educational example, we demonstrate the use of a breadboard connected to a microcontroller development board for controlling LEDs. This setup is ideal for beginners learning about electronics and programming microcontrollers. #### Components: 1. **Breadboard**: A solderless device used to build electronic circuits. The breadboard used is a typical white breadboard with grid-like holes for component placement. 2. **Microcontroller Development Board**: It has various labeled pins for connecting different inputs and outputs. Visible labels include AD1, AD2, P3, P4, etc. This board is used to interface with the breadboard. #### Connections: - **Green LED**: Placed on the development board, it indicates power or specific signal conditions. - **Resistors**: Provide necessary resistance in the circuit to protect components like LEDs. - **Wires**: Color-coded wires are used to connect different components. - **Yellow Wire**: Connected from the P4 pin on the microcontroller to a component on the breadboard. - **Blue Wires**: Used for connections between various points. One connects from below the green LED to the breadboard. - **Red Wires**: Power connections, likely connecting the positive rail of the breadboard to the microcontroller. #### Microchips: Two integrated circuits (ICs) are mounted on the breadboard, used to manage inputs and outputs or perform specific tasks in the circuit. #### Detailed Explanation: The circuit demonstrates basic interfacing techniques for controlling LEDs using a microcontroller. The steps typically include: 1. **Placing Components**: Place the components such as ICs and LEDs on the breadboard. 2. **Wiring Connections**: Use wires to connect components on the breadboard to the microcontroller board, ensuring correct alignment with the labeled pins. 3. **Power Supply**: Ensure the breadboard is powered correctly, connecting the power rails to the microcontroller’s power source. 4. **Programming**: Upload appropriate code to the microcontroller to control the LED’s behavior based on inputs processed by ICs. This setup can be expanded to include more LEDs, sensors, or different input devices, providing a basic yet effective learning platform for understanding circuits and microcontroller programming.
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