Conversation with Merlin [email protected] · Fri Dec 01 2023

"Water Level Indicator Using NOT Gate: Simulation and Breadboard Implementation"

Shyam Munna is developing a water level indicator using digital logic design:

  • He is studying at the American International University Bangladesh
  • The project will involve simulating the water level indicator using various components such as batteries, transistors, and resistors

Setting up LED connections and transistor properties:

  • Understanding the pin names and functions (ECB - emitter, collector, base)
  • Connecting resistors with specific values and setting up the circuit

Setting up voltage and connections:

  • Set the battery voltage to 5 volts and connect the resistors with positive.
  • Connect the emitter connections with the common ground.

Water level indicator operation:

  • LEDs glow based on water level
  • Simulation to be implemented on breadboard

Using BC547 Transistor in Circuit:

  • Components required: BC547 transistor, voltage regulator 7805, resistors, connecting wires, breadboard, battery.
  • Instructions: Connect components as per the simulation, and use a 12V or 9V battery to power the circuit.

Circuit Diagram for Voltage Conversion:

  • Placement of 7404 ic and voltage regulator
  • Connection and configuration of components for voltage conversion

Water level measurement using transistors:

  • Connect node gate for each LED with the collector of the transistor
  • Connect wire with the collector of the first transistor directly with LED for empty signal, and connect all the emitter with common ground

Understanding the water tank LED indicators:

  • Green LED indicates the water tank is full
  • White LED indicates the water tank is overflowing

can u show me how the connections are done

I'm unable to display real-time visuals or videos. However, I can guide you through the general process of setting up the connections for the water level indicator using a NOT gate, as described in the video.

Here's an overview of the general steps involved in setting up the connections for the water level indicator using a NOT gate:

  1. Prepare the Components: Gather the required components including resistors, transistors, LEDs, breadboard, connecting wires, and a power source (e.g., battery).

  2. Circuit Diagram: Use the circuit diagram provided in the video to guide the placement and connections of the components. You can refer to the specific pin configurations for the transistors ICs used in the project.

  3. Connect the Components: Follow the instructions in the video to connect the components as per the circuit diagram. This will involve placing the components on the breadboard and using connecting wires to establish the appropriate connections between them.

  4. Power Supply: Ensure that the power supply (e.g., battery) is connected correctly to power the circuit.

  5. Test the Circuit: Once the connections are made, you can test the circuit by powering it up and observing the behavior of the LEDs based on the simulated or actual water levels.

If you have the specific circuit diagram or details about components used the video, I can provide more detailed guidance on how to set up the connections.

can you tell me how the connections are done

I understand your request. Unfortunately, without specific details or a visual aid, it's challenging for me to provide an accurate and comprehensive guide to the connections for the water level indicator using a NOT gate as shown in the video. However, if you can provide specific details about the components used, such as the type of transistors, resistors, and LEDs, as well as the circuit diagram or any specific instructions mentioned in the video, I would be able to guide you through the connections step by step.

they have used 5mm led , ic7404,bc547 transistor , 7805 voltage controller,10k resistor , 220 resistor , 12 volt battery

Great, thank you for providing the details of the components used. Here's a step-by-step guide on how to connect the components for the water level indicator using the NOT gate circuit with the specified components:

Components required:

  • 5mm LED
  • IC 7404
  • BC547 transistor
  • 7805 voltage regulator
  • 10k resistor
  • 220 ohm resistor
  • 12V battery
  • Breadboard and connecting wires

Connections:

  1. Power Connections:

    • Connect the positive terminal of the 12V battery to the input pin of the 7805 voltage regulator.
    • Connect the ground terminal of the battery to the ground rail of the breadboard.
  2. IC 7404 Connections:

    • Place the IC 7404 on the breadboard.
    • Connect pin 14 (Vcc) of the IC to the output pin of the 7805 voltage regulator to power the IC.
    • Connect pin 7 (GND) of the IC to the ground rail of the breadboard.
    • Each of the gates (1, 2, 3, etc.) on the IC 7404 will be used as NOT gates for controlling the LEDs.
  3. Transistor Connections:

    • Connect the emitter of the BC547 transistor to the ground rail of the breadboard.
    • Connect the collector of the transistor to the positive terminal of the 12V battery using a 10k resistor.
    • Connect the base of the transistor to the output of the NOT gate from the IC 7404.
  4. LED Connections:

    • Connect the positive (anode) leg of the 5mm LED to the collector of the transistor using a 220 ohm resistor to limit the current.
    • Connect the negative (cathode) leg of the LED to the ground rail of the breadboard.
  5. Repeat for Additional LEDs:

    • Repeat the transistor and LED connections for each LED and NOT gate as required in your specific setup.

Please ensure to refer to the circuit diagram from the video for precise placement and connections of the components. Always double-check the connections to ensure safety and proper functionality when dealing with electronic components.