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Update the problem details below.

Title *

Slug *

Module Name *

Difficulty *

LED Blinker

Problem Description

Create a simple LED blinker that toggles an LED output based on a clock signal.

Module Interface

Inputs:
- clk: Clock signal
- reset: Reset signal (active high)
Output:
- led: LED output signal

Expected Behavior

On reset: LED should be off (0)
On each clock edge: LED should toggle state

Hints (Optional)

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This is similar to the FSM toggle problem. Use a reg variable for the LED and toggle it on clock edges.

Initial Code *

Testbench *

Correct Output (JSON) *

{
  "testbench": {
    "clk": [
      0,
      1,
      0,
      1,
      0,
      1,
      0,
      1,
      0,
      1,
      0,
      1,
      0,
      1,
      0,
      1,
      0,
      1,
      0,
      1,
      0
    ],
    "led": [
      0,
      0,
      0,
      1,
      1,
      0,
      0,
      1,
      1,
      0,
      0,
      1,
      1,
      0,
      0,
      1,
      1,
      0,
      0,
      1,
      1
    ],
    "uut": {
      "clk": [
        0,
        1,
        0,
        1,
        0,
        1,
        0,
        1,
        0,
        1,
        0,
        1,
        0,
        1,
        0,
        1,
        0,
        1,
        0,
        1,
        0
      ],
      "led": [
        0,
        0,
        0,
        1,
        1,
        0,
        0,
        1,
        1,
        0,
        0,
        1,
        1,
        0,
        0,
        1,
        1,
        0,
        0,
        1,
        1
      ],
      "reset": [
        1,
        1,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0,
        0
      ]
    },
    "reset": [
      1,
      1,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0
    ]
  }
}

Enter the expected output as valid JSON format that will be used to verify student submissions.