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Design a logic circuit whose output is high only when the majority of inputs A, ...
A manufacturing plant needs to have a horn sound to indicate the departure time. The horn must be activated when any of the following conditions are met:
1.- It's just that after 5 o'clock and all the machines are off
2.- It's Friday, the day's production is complete and all the machines are off.
Design a logic circuit that controls the horn. (Hint: use four input logic variables to represent the various conditions; for example input A on high only when it is 5 o'clock or later)
1y
1y
To design a logic circuit whose output is high only when the majority (i.e., two or more) of the inputs A, B, and C are low, we can use a combination of basic logic gates. Notably, for three inputs A, B, and C, the output is high when:
- Two inputs are low, and one is high, or
- All three inputs are low.
To achieve this, we'll utilize NOT, AND, and OR gates in the following manner:
-
Invert each of the inputs because we are interested in when they are low. This can be achieved with NOT gates for each input.
-
AND the inverted outputs in pairs to detect conditions when any two inputs are low.
-
OR these results together, including the condition when all three are low, to get the final output.
Let's break this down into steps:
Step 1: Invert Each Input
- Connect NOT gates to each of the inputs A, B, and C.
-
For each pair of inputs, use an AND gate to determine if both are low (after being inverted). This will require three AND gates.
- AND gate 1 for A' and B'
- AND gate 2 for A' and C'
- AND gate 3 for B' and C'
-
Detect all three inputs being low by ANDing the outputs of the inverted A, B, and C. This can be a separate AND gate that takes all three inverted inputs.
- Use an OR gate to combine the outputs of all four AND gates. This OR gate's output is the final output of the circuit, which will be high only when the majority of inputs A, B, and C are low.
-
Connect NOT gates for each input:
- Connect A to NOT1:input
- Connect B to NOT2:input
- Connect C to NOT3:input
-
Pairwise AND gates for detecting any two inputs low:
- Connect NOT1:output to AND1:A, NOT2:output to AND1:B
- Connect NOT1:output to AND2:A, NOT3:output to AND2:B
- Connect NOT2:output to AND3:A, NOT3:output to AND3:B
-
AND gate for detecting all inputs low:
- Connect NOT1:output to AND4:A, NOT2:output to AND4:B, NOT3:output to AND4:C
-
OR gate to combine all conditions:
- Connect AND1:output, AND2:output, AND3:output, and AND4:output to OR1:inputs
This setup ensures the output will be high only when two or more inputs are low. It's important to validate the logic with a simulation tool, like the one incorporated into Flux, to ensure correctness and tweak as needed. Adjust the component designators according to your project's current state or increment based on existing components.
1y
3
A manufacturing plant needs to have a horn sound to indicate the departure time....
@copilot A manufacturing plant needs to have a horn sound to indicate the departure time. The horn must be activated when any of the following conditions are met:
1.- It's just that after 5 o'clock and all the machines are off
2.- It's Friday, the day's production is complete and all the machines are off.
Design a logic circuit that controls the horn. (Hint: use four input logic variables to represent the various conditions; for example input A on high only when it is 5 o'clock or later)
1y
To design a logic circuit that controls the horn based on the conditions provided, we'll define four input logic variables as follows:
- A - High when it is just after 5 o'clock or later.
- B - High when all machines are off.
- C - High on Fridays.
- D - High when the day's production is complete.
The horn should sound when either of these conditions are met:
- It's just that after 5 o'clock ($A$ is High) and all the machines are off ($B$ is High).
- It's Friday ($C$ is High), the day's production is complete ($D$ is High) and all the machines are off ($B$ is High).
This can be represented by the following logical expression:
Horn=(A∧B)+(C∧D∧B)
This expression simplifies to turn the horn on when:
- Both conditions for time and machines being off are met, or
- It’s Friday, production is done, and all machines are off.
To implement this in a schematic, we can use AND gates and an OR gate.
-
AND Gates:
- First AND gate for $A AND B$ condition.
- Second AND gate for $C AND D AND B$ condition. This will require two AND gates where one combines $C AND D$ and the second combines the output of the first AND gate with $B$.
-
OR Gate:
- To combine the outputs of the AND gates, indicating when the horn should be sounded.
Here's how you can connect the components to reflect the described logic:
-
AND Gates:
- Connect $A:output$ to $AND1:input1$
- Connect $B:output$ to $AND1:input2$
- Connect $C:output$ to $AND2:input1$
- Connect $D:output$ to $AND2:input2$
- AND gate for $C AND D$: Connect $AND2:output$ to $AND3:input1$
- Connect $B:output$ to $AND3:input2$
-
OR Gate:
- Combine the outputs of $AND1$ and $AND3$ to trigger the horn.
- Connect $AND1:output$ to $OR1:input1$
- Connect $AND3:output$ to $OR1:input2$
- Connect $OR1:output$ to the control mechanism of the horn (Horn activation signal).
- You might need inverters based on the physical representation of your inputs. For instance, if an input is normally High and goes Low under certain conditions, you'll need an inverter to correctly represent the logic stated above.
This logic circuit will ensure that the horn is only activated under the specified conditions, accurately representing the desired functionality. Make sure to consider the characteristics of the components you choose (like propagation delay in the logic gates) to ensure timely and accurate operation in a real-world scenario.
1y
4
como puedo hacer una fuente de 5 v que resudca su voltaje a 3 v
How can I make a 5v source that reduces its voltage to 3v?
1y
1y
Para reducir el voltaje de 5V a 3V en tu proyecto, puedes usar varios métodos dependiendo de tus requisitos específicos de corriente, eficiencia y espacio disponible en tu diseño. Aquí te describo dos métodos comunes que podrías considerar:
1. Uso de un Regulador de Voltaje Lineal
Una forma simple de reducir el voltaje es mediante un regulador de voltaje lineal. Los reguladores de voltaje como el LM317 son ajustables y te permiten configurar el voltaje de salida a través de un par de resistencias. Asumiendo una corriente moderadamente baja, este método es simple y efectivo para muchas aplicaciones. Para obtener 3V a partir de 5V, necesitas ajustar las resistencias según la fórmula proporcionada en la hoja de datos del LM317. Una configuración sugerida podría ser:
-
LM317: Regulador de voltaje ajustable
- Conectar el pin IN al punto de alimentación de 5V.
- Conectar el pin OUT a tu carga de 3V.
- Conectar un par de resistencias $ R1 $ y $ R2 $ entre los pines OUT y ADJ, y ADJ a tierra, respectivamente, para ajustar el voltaje de salida a 3V utilizando la fórmula:
Vout=1.25×(1+R1R2)+Iadj×R2Asumiendo un $ I_{\text{adj}} $ insignificante, puedes calcular $ R1 $ y $ R2 $ para conseguir tu voltaje deseado de 3V.
Para cargas de muy baja corriente, un divisor de tensión resistivo puede ser una solución viable. Sin embargo, este método no es recomendable para cargas que varían o consumen una corriente apreciable porque el voltaje de salida también variará con la corriente de carga.
-
Conectar dos resistencias en serie $ R3 $ y $ R4 $ entre la fuente de 5V y tierra.
-
El voltaje de salida de 3V se tomará en el punto entre $ R3 $ y $ R4 $. La relación de los valores de las resistencias debe establecerse de acuerdo con la fórmula del divisor de tensión:Vout=Vin×R3+R4R4Para obtener 3V a partir de 5V, una posible combinación de valores es $ R3 = 2k\Omega $ y $ R4 = 3k\Omega $, pero la selección exacta dependerá de la corriente de carga.
- Eficiencia: El regulador lineal disipa energía en forma de calor, y su eficiencia disminuye con la diferencia entre el voltaje de entrada y salida.
- Carga: El divisor de tensión es práctico para muy pequeñas cargas debido a su falta de regulación.
Dependiendo de las especificaciones adicionales de tu diseño, como el consumo de corriente de tu carga, estas soluciones pueden ajustarse. Si necesitas una solución más eficiente para una corriente más alta, podrías considerar un regulador de voltaje de conmutación (buck converter).
1y
1
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- Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portaljharwinbarrozo43.0M
- Wirelessly connects power nets on schematic. Identical to the net portal, but with a power symbol. Used to organize schematics and separate functional blocks. To wirelessly connect power net portals, give them the same designator. #portal #powerjharwinbarrozo11.4M
- A generic fixed resistor for rapid developing circuit topology. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0Ω 10Ω 100Ω 1.0kΩ 10kΩ 100kΩ 1.0MΩ 1.1Ω 11Ω 110Ω 1.1kΩ 11kΩ 110kΩ 1.1MΩ 1.2Ω 12Ω 120Ω 1.2kΩ 12kΩ 120kΩ 1.2MΩ 1.3Ω 13Ω 130Ω 1.3kΩ 13kΩ 130kΩ 1.3MΩ 1.5Ω 15Ω 150Ω 1.5kΩ 15kΩ 150kΩ 1.5MΩ 1.6Ω 16Ω 160Ω 1.6kΩ 16kΩ 160kΩ 1.6MΩ 1.8Ω 18Ω 180Ω 1.8KΩ 18kΩ 180kΩ 1.8MΩ 2.0Ω 20Ω 200Ω 2.0kΩ 20kΩ 200kΩ 2.0MΩ 2.2Ω 22Ω 220Ω 2.2kΩ 22kΩ 220kΩ 2.2MΩ 2.4Ω 24Ω 240Ω 2.4kΩ 24kΩ 240kΩ 2.4MΩ 2.7Ω 27Ω 270Ω 2.7kΩ 27kΩ 270kΩ 2.7MΩ 3.0Ω 30Ω 300Ω 3.0KΩ 30KΩ 300KΩ 3.0MΩ 3.3Ω 33Ω 330Ω 3.3kΩ 33kΩ 330kΩ 3.3MΩ 3.6Ω 36Ω 360Ω 3.6kΩ 36kΩ 360kΩ 3.6MΩ 3.9Ω 39Ω 390Ω 3.9kΩ 39kΩ 390kΩ 3.9MΩ 4.3Ω 43Ω 430Ω 4.3kΩ 43KΩ 430KΩ 4.3MΩ 4.7Ω 47Ω 470Ω 4.7kΩ 47kΩ 470kΩ 4.7MΩ 5.1Ω 51Ω 510Ω 5.1kΩ 51kΩ 510kΩ 5.1MΩ 5.6Ω 56Ω 560Ω 5.6kΩ 56kΩ 560kΩ 5.6MΩ 6.2Ω 62Ω 620Ω 6.2kΩ 62KΩ 620KΩ 6.2MΩ 6.8Ω 68Ω 680Ω 6.8kΩ 68kΩ 680kΩ 6.8MΩ 7.5Ω 75Ω 750Ω 7.5kΩ 75kΩ 750kΩ 7.5MΩ 8.2Ω 82Ω 820Ω 8.2kΩ 82kΩ 820kΩ 8.2MΩ 9.1Ω 91Ω 910Ω 9.1kΩ 91kΩ 910kΩ 9.1MΩ #generics #CommonPartsLibraryjharwinbarrozo1.5M
- A generic fixed capacitor ideal for rapid circuit topology development. You can choose between polarized and non-polarized types, its symbol and the footprint will automatically adapt based on your selection. Supported options include standard SMD sizes for ceramic capacitors (e.g., 0402, 0603, 0805), SMD sizes for aluminum electrolytic capacitors, and through-hole footprints for polarized capacitors. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard capacitor values: 1.0pF 10pF 100pF 1000pF 0.01uF 0.1uF 1.0uF 10uF 100uF 1000uF 10,000uF 1.1pF 11pF 110pF 1100pF 1.2pF 12pF 120pF 1200pF 1.3pF 13pF 130pF 1300pF 1.5pF 15pF 150pF 1500pF 0.015uF 0.15uF 1.5uF 15uF 150uF 1500uF 1.6pF 16pF 160pF 1600pF 1.8pF 18pF 180pF 1800pF 2.0pF 20pF 200pF 2000pF 2.2pF 22pF 20pF 2200pF 0.022uF 0.22uF 2.2uF 22uF 220uF 2200uF 2.4pF 24pF 240pF 2400pF 2.7pF 27pF 270pF 2700pF 3.0pF 30pF 300pF 3000pF 3.3pF 33pF 330pF 3300pF 0.033uF 0.33uF 3.3uF 33uF 330uF 3300uF 3.6pF 36pF 360pF 3600pF 3.9pF 39pF 390pF 3900pF 4.3pF 43pF 430pF 4300pF 4.7pF 47pF 470pF 4700pF 0.047uF 0.47uF 4.7uF 47uF 470uF 4700uF 5.1pF 51pF 510pF 5100pF 5.6pF 56pF 560pF 5600pF 6.2pF 62pF 620pF 6200pF 6.8pF 68pF 680pF 6800pF 0.068uF 0.68uF 6.8uF 68uF 680uF 6800uF 7.5pF 75pF 750pF 7500pF 8.2pF 82pF 820pF 8200pF 9.1pF 91pF 910pF 9100pF #generics #CommonPartsLibraryjharwinbarrozo1.5M
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Inspect
[Example] LED Simulator Template 34f2
![[Example] LED Simulator Template 34f2](https://cdn.flux.ai/document_assets/led-off-9571f995-300e-4dcd-0828-5e61f2761737.svg)
Controls
Properties
Forward Voltage
1.70 V
Part Type
LED
Manufacturer Name
Manufacturer Part Number
CTL1206FYW1T
Designator Prefix
LED
Assets
led-on.svgid=led-on
- LED_1206_3216Metric.kicad_mod
id=LED_1206_3216Metric
- LED_1206_3216Metric.step
id=3D_LED_1206_3216Metric
Footprint
3d Model
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res
copilot
- Connect P1:1 to R1:1 (Path for 5V input).
- Connect R1:2 to R2:1 (This is where 3V output will be taken from).
- Connect R2:2 to the ground.
2. Using a Voltage Regulator- Connect P1:1 to the input pin of the AMS1117-3.3.
- Connect the ground pin of AMS1117-3.3 to the ground.
- Utilize the output pin of AMS1117-3.3 for your 3V source.
Final Note