Weight Estimation System Circuit Design

Thought for 1 min 4 sec

Here’s the most relevant entry I found related to running a plan (and using Start). Quoting the Flux documentation:

“Flux Execution Plan

Flux creates a step-by-step plan before making changes — so you’re always in control.

Flux outlines all proposed modifications before executing them in the editor. This gives you complete visibility into what’s about to happen and the chance to review, adjust, or reject any part of the plan.

How it works

Initiate a task Start by asking Flux to make a change — like Make me a usb-c device with bluetooth connectivity powered by the USB bus. I want to connect it directly to a usb port, and use it as a BLE dongle.
Flux responds with a plan Before applying any changes, Flux will generate a plan. This plan includes all the design actions Flux intends to take.
Review the plan Read through the proposed steps. Each one is explained clearly and linked to the part of the design it affects. You can expand steps for more details or collapse them to scan quickly.
Edit or reject parts of the plan Use the chat to suggest changes to the plan, or provide additional context. You can also reject the whole plan if it’s off track.
Approve to execute Once you’re happy with the plan, hit Start. Flux will carry out the changes in the Flux Editor exactly as described — no surprises.”

Source

If you still see the Start button greyed out, please check the documentation above or reach out on the Flux community:

Show execution plan

Clarify when disabled

Share exact context

Ask about permissions

Provide screenshot offer

could you add ethernet to rpi cm4?

limtbk

@copilot could you add ethernet to rpi cm4?

copilot

To add Ethernet to the Raspberry Pi CM4, you will need to properly connect the Ethernet signals between the CM4 and an appropriate Ethernet PHY. The CM4 provides signals typically required for Ethernet connectivity, such as TX, RX, and control signals.

Based on the project components provided, let's connect the relevant Ethernet pins to a standard Ethernet PHY (e.g., Microchip's LAN9514 or Broadcom BCM54213). Here are the steps and connections you need to make:

Steps to Add Ethernet

Choose an Ethernet PHY: Select an Ethernet PHY chipset that supports the required speed (10/100/1000 Mbps) and has the necessary interface.
Make Connections: Connect the appropriate signals between the CM4 and the Ethernet PHY.

Typical Connections

Assuming you're using a typical Ethernet PHY, here are the connections:

Ethernet Tx/Rx Differential Pairs

Transmit Pair 0:
- Connect CM4:ETHERNET_PAIR0_P (Pin 12) to PHY:TXP0.
- Connect CM4:ETHERNET_PAIR0_N (Pin 10) to PHY:TXN0.
Receive Pair 0:
- Connect CM4:ETHERNET_PAIR1_P (Pin 4) to PHY:RXP0.
- Connect CM4:ETHERNET_PAIR1_N (Pin 6) to PHY:RXN0.
Transmit Pair 1:
- Connect CM4:ETHERNET_PAIR2_P (Pin 11) to PHY:TXP1.
- Connect CM4:ETHERNET_PAIR2_N (Pin 9) to PHY:TXN1.
Receive Pair 1:
- Connect CM4:ETHERNET_PAIR3_P (Pin 3) to PHY:RXP1.
- Connect CM4:ETHERNET_PAIR3_N (Pin 5) to PHY:RXN1.

Control and Miscellaneous Signals

LED Signals:
- Connect CM4:ETHERNET_~LED1 to PHY:LED1.
- Connect CM4:ETHERNET_~LED2 to PHY:LED2.
- Connect CM4:ETHERNET_~LED3 to PHY:LED3.
Clock and Sync Signals:
- Connect CM4:ETHERNET_SYNC_IN to PHY:SYNC_IN.
- Connect CM4:ETHERNET_SYNC_OUT to PHY:SYNC_OUT.

Power and Ground

Power Pins:
- Ensure your Ethernet PHY is powered appropriately, typically needing a 3.3V or 1.8V power supply.
- You can derive this from the CM4_3.3V(OUTPUT) or CM4_1.8V(OUTPUT) pins if your PHY supports these voltages.
Ground Pins:
- Connect CM4:GND__# to the ground pins of the Ethernet PHY.

Example Connection List

Connect CM4:ETHERNET_PAIR0_P to PHY:TXP0.
Connect CM4:ETHERNET_PAIR0_N to PHY:TXN0.
Connect CM4:ETHERNET_PAIR1_P to PHY:RXP0.
Connect CM4:ETHERNET_PAIR1_N to PHY:RXN0.
Connect CM4:ETHERNET_PAIR2_P to PHY:TXP1.
Connect CM4:ETHERNET_PAIR2_N to PHY:TXN1.
Connect CM4:ETHERNET_PAIR3_P to PHY:RXP1.
Connect CM4:ETHERNET_PAIR3_N to PHY:RXN1.
Connect CM4:ETHERNET_~LED1 to PHY:LED1.
Connect CM4:ETHERNET_~LED2 to PHY:LED2.
Connect CM4:ETHERNET_~LED3 to PHY:LED3.
Connect CM4:ETHERNET_SYNC_IN to PHY:SYNC_IN.
Connect CM4:ETHERNET_SYNC_OUT to PHY:SYNC_OUT.
Connect CM4:GND__# to PHY:GND.
Connect CM4_3.3V(OUTPUT) to PHY:VDD33.

Make sure to refer to the datasheet of the specific Ethernet PHY you are using for pin names and additional required connections (such as MDIO/MDC for management if needed).

Feel free to correct any assumptions or provide more details about the Ethernet PHY you plan to use so I can give you more specific instructions!

limtbk

How to connect VL806 to this module to have 4 USB3?

copilot

To connect the VL806 USB3.0 hub controller to the Raspberry Pi Compute Module 4 (CM4) to provide four USB 3.0 ports, you need to correctly wire the High-Speed Differential Pairs and control signals between the CM4 and the VL806 controller, and also ensure proper power supply connections.

USB 3.0 Overview

USB 3.0 adds SuperSpeed (SS) signals to the USB 2.0 interface, so each USB 3.0 connection requires additional differential pairs for the SS data lines.

Assumptions

You have a VL806 USB 3.0 hub controller.
You want to connect it to the CM4 to provide four USB 3.0 ports.

Necessary Connections High-Speed Differential Pairs (SuperSpeed TX/RX)

USB_SS_TX/RX:
- Connect CM4:USB_OTG_ID to VL806:OTG (if needed for OTG pin).
- Connect CM4:USB_P to VL806:USB3_SS_RX_P.
- Connect CM4:USB_N to VL806:USB3_SS_RX_N.
- Connect VL806:USB3_SS_TX_P to the USB3 SS TX pair.
- Connect VL806:USB3_SS_TX_N to the USB3 SS TX pair.

Control Signals

Power Enable:
- If VL806 has a power enable pin, connect it to a GPIO pin on the CM4 for control.
Reset:
- Connect VL806:RESET# to the CM4:RUN_PG pin or another GPIO capable of controlling reset.
Clock:
- Connect a reference clock (usually 25 MHz or 48 MHz) to the VL806 as specified in its datasheet.

USB2.0 Data Lines

USB_DP/DM:
- Connect CM4:USB_P to VL806:USB2_DP.
- Connect CM4:USB_N to VL806:USB2_DM.

Power and Ground

Power Supply:
- Ensure the VL806 is powered correctly according to its voltage requirements (usually 3.3V or 1.8V).
- You can supply 3.3V from the CM4_3.3V(OUTPUT) pin or use an external power supply.
Ground Connections:
- Connect all ground pins on the VL806 to CM4:GND to ensure a common ground.

Example Connection List

Connect CM4:USB_OTG_ID to VL806:OTG (if required).
Connect CM4:USB_P to VL806:USB3_SS_RX_P.
Connect CM4:USB_N to VL806:USB3_SS_RX_N.
Connect VL806:USB3_SS_TX_P to USB3 port TX_P (external connector TX+).
Connect VL806:USB3_SS_TX_N to USB3 port TX_N (external connector TX-).
Connect CM4:USB_P to VL806:USB2_DP.
Connect CM4:USB_N to VL806:USB2_DM.
Connect the VL806 power pins to the CM4_3.3V(OUTPUT) pin.
Connect all ground pins (e.g., CM4:GND__#) to the ground pins on the VL806.
Optionally, connect VL806:RESET# to CM4:RUN_PG or another GPIO pin for reset control.

Power Considerations

Ensure that the power supply section of the VL806 is properly designed to handle the current requirements of the USB3 ports, especially if all four ports will be active simultaneously.

Clock Input

Check the VL806 datasheet for the correct crystal or clock input specification and ensure the appropriate circuitry is in place to provide this clock.

Verify Connection

It's critical to verify all connections against the specific datasheet of the VL806 and the CM4 IO board schematics. This ensures that signal integrity and power requirements are adequately met.

Feel free to reach out if you need more detailed help with any specific aspect of this setup!

limtbk

Add vl806 to schematics

copilot

To add the VL806 USB 3.0 hub controller to the schematic with the necessary connections to the Raspberry Pi Compute Module 4 (CM4), here are the steps and connections provided in a detailed manner. Below is a connection list to guide the additions.

VL806 USB 3.0 Hub Controller Pinout (Assumed)

For this example, let's assume the following relevant pins for the VL806:

VL806:USB3_SS_RX_P and VL806:USB3_SS_RX_N are the SuperSpeed receive differential pairs.
VL806:USB3_SS_TX_P and VL806:USB3_SS_TX_N are the SuperSpeed transmit differential pairs.
VL806:USB2_DP and VL806:USB2_DM are the USB 2.0 data lines.
VL806:OTG is an optional OTG pin.
VL806:RESET# is the reset pin.
VL806:VDD33 is a 3.3V power supply pin.
VL806:GND are multiple ground pins.
VL806:CLK_IN is the clock input pin (assuming a 25MHz or 48MHz clock).

Example Connection List

USB SuperSpeed Differential Pairs:
- Connect CM4:USB_P to VL806:USB3_SS_RX_P.
- Connect CM4:USB_N to VL806:USB3_SS_RX_N.
- Connect VL806:USB3_SS_TX_P to the SuperSpeed TX pair on your external USB 3.0 connectors.
- Connect VL806:USB3_SS_TX_N to the SuperSpeed TX pair on your external USB 3.0 connectors.
USB 2.0 Data Lines:
- Connect CM4:USB_P to VL806:USB2_DP.
- Connect CM4:USB_N to VL806:USB2_DM.
Optional OTG Pin:
- Connect CM4:USB_OTG_ID to VL806:OTG (if used for OTG functionality).
Power and Ground:
- Connect CM4_3.3V(OUTPUT) to VL806:VDD33.
- Connect CM4:GND_# to VL806:GND.
Control Signals:
- Connect CM4:RUN_PG (or another GPIO pin) to VL806:RESET#.
Clock Input:
- Ensure the correct clock input is connected to VL806:CLK_IN. This might involve an external crystal oscillator circuit (e.g., 25MHz or 48MHz).

Adding Components to the Schematics:

Add VL806 Component:
- In Flux, add a new component for VL806 if it doesn’t already exist in your library.
- Define the relevant pins as described above (USB3_SS_RX_P, USB3_SS_RX_N, USB3_SS_TX_P, USB3_SS_TX_N, USB2_DP, USB2_DM, OTG, RESET#, VDD33, GND, CLK_IN).
Make Connections:
- Connect the pins on the CM4 to the corresponding pins on the VL806 as per the connection list.

Example Schematics Connections:

Markdown
- Connect `P1: USB3_SS_RX_P` to `VL1:USB3_SS_RX_P`
- Connect `P1: USB3_SS_RX_N` to `VL1:USB3_SS_RX_N`
- Connect `VL1:USB3_SS_TX_P` to `USB3 external connector TX_P`
- Connect `VL1:USB3_SS_TX_N` to `USB3 external connector TX_N`
- Connect `P1: USB_P` to `VL1:USB2_DP`
- Connect `P1: USB_N` to `VL1:USB2_DM`
- Connect `P1:USB_OTG_ID` (if used) to `VL1:OTG`
- Connect `CM4_3.3V(OUTPUT)` to `VL1:VDD33`
- Connect `CM4:GND_#` to `VL1:GND`
- Connect `P1:RUN_PG` to `VL1:RESET#`
- Connect `CLK source to VL1:CLK_IN`

Feel free to correct any specifics or provide further details if additional pins or connections are needed for your particular application.

Someone is typing...

how do I use Flux?

rhwong

@copilot how do I use Flux?

copilot

Flux provides an intuitive interface to design electronic schematics and lay out PCBs. Here's a high-level overview of the key features:

Schematic Design: Flux provides a large library of electronic components you can use in your projects. You can drag these components onto the canvas to start creating your schematic. You can then wire them together according to your designs.
PCB Layout: Once your schematic is complete, you can switch over to the PCB layout mode. Here, you can place the physical representations of your components on your board, and route the electrical connections between them.
Simulation: Flux provides a basic electronic simulation feature. You can use this feature to verify your circuit designs before manufacturing your board.
Manufacturing Exports: Once you are done with your design and have validated it, you can export the necessary files for manufacturing. These include Gerber files, which are accepted by nearly all PCB manufacturers.
Collaboration: Flux allows multiple users to view and edit the same project simultaneously, making it a great tool for team projects.

Here are some more specific resources to help you get started with Flux:

If you're new to Flux, consider walking through the tutorials provided in the official documentation [1].
Video tutorials and example projects on the official YouTube channel can help you better understand how to use the tool effectively [2].
The reference section on the documentation page offers detailed information about the elements of Flux.
To ask questions or connect with other Flux users, consider joining their Slack community [3].

If you encounter any specific difficulties or need clarification on any aspects of the software, don't hesitate to ask for help.

[1] https://docs.flux.ai/introduction

[2] https://docs.flux.ai/Introduction/upverter-to-flux

[3] https://docs.flux.ai/Introduction/getting-support

Someone is typing...

how much emmc is available

radiostudio

@copilot how much power does it require

copilot

The Raspberry Pi Compute Module 4, at maximum usage, typically consumes around 3 - 5 watts of power. However, the actual power consumption may change based on the utilization of the CPU, RAM, GPU, peripherals and other components.

In terms of the voltage requirements, the Compute Module 4 typically requires two input voltages:

5V: This is the main supply voltage for the module. It is generally used to power the I/Os and the HDMI interface.
3.3V: This is used to power the system ICs such as the main processor/RAM, the internal PHYs for the Ethernet and USB, etc.

However, the general recommendation is to closely follow the power requirements specified in the detailed technical datasheets by Raspberry Pi Inc. for the specific variant of the Compute Module 4 that you're using. Please correct me if I made a wrong assumption about your module.

radiostudio

how much power does it require

radiostudio

@copilot how much emmc is available

copilot

I'm sorry for any confusion. Concerning the Raspberry Pi Compute Module 4, it is available in different variations. The eMMC (flash storage) capacity can vary from none (Lite version) to 8GB, 16GB and reaching up to 32GB. I would advise checking the exact specifications of your particular model to determine the exact eMMC capacity.

Someone is typing...

explain this project.

redmika1

@copilot explain this project.

copilot

This project is a detailed schematic representation of a carrier board for the Raspberry Pi Compute Module 4 (CM4). The Raspberry Pi CM4 is a compact, modular version of the Raspberry Pi 4 that integrates a quad-core ARM Cortex-A72 processor, dual video output, and various interfaces such as PCIe, HDMI, MIPI CSI (camera), MIPI DSI (display), Ethernet, GPIO, etc. Here's a breakdown of what this project includes:

Main Components and Descriptions:

Power Pins:
- 5V Input:
  - +5V(INPUT): Various pins like Pin 79, 85, and 87 for accepting the main power input.
- 3.3V Output:
  - CM4_3.3V(OUTPUT): Pin 86, for providing 3.3V output power.
- Ground (GND):
  - Multiple GND pins spread across the module, for example, GND__46 at Pin 186 as a return path for the current.
PCIe Interface:
- Includes pins like PCIE_CLK_~REQ (Pin 102) and differential pairs such as PCIE_RX_N (Pin 118).
SD Card/eMMC Interface:
- Includes data pins like SD_DAT7 (Pin 70) and control pins like SD_CMD (Pin 62).
Camera Interface (MIPI CSI):
- Differential pairs such as CAM1_D2_N (Pin 133) and clock signals like CAM1_C_N (Pin 127) for connecting MIPI cameras.
Display Interface (MIPI DSI):
- Differential pairs for transmission such as DSI0_C_P (Pin 171) for connecting to MIPI displays.
GPIO Pins:
- General-Purpose Input/Output pins like GPIO8 (Pin 39) for various peripheral connections and custom use.
Ethernet Interface:
- Differential pairs such as ETHERNET_PAIR1_N (Pin 6) for network connectivity.
HDMI Interface:
- Includes differential pairs like HDMI1_TX1_P (Pin 152) for display connection via HDMI.
USB Interface:
- USB connections including data lines like USB_OTG_ID (Pin 101).
Other Interfaces:
- Connections for I2C, SPI, and other communication interfaces represented by pins like SCL0 (Pin 80) for I2C clock.

Overall Design

Power Distribution:
- The project includes multiple power-in and ground pins to ensure stable and reliable power distribution across all modules and components.
High-Speed Interfaces:
- Controlled impedance pairs for high-speed data transmission in interfaces such as HDMI, Ethernet, PCIe, and USB are noted with their tolerances, pin delays, and skew values.
Multiple Connectivity Options:
- Various I/O and communication pin types (bidi, input, output, and passive) enabling a flexible and highly capable embedded system design.
Compliance with Design Standards:
- The project also considers controlled impedance requirements and tolerances, important for maintaining signal integrity in high-frequency applications.

This schematic is ready to be used as a basis to create a Printed Circuit Board (PCB) layout where physical connections for these various interfaces will be routed, and components will be placed appropriately to build a fully functional carrier board for Raspberry Pi CM4.

If you need further details or clarifications on specific parts or want to proceed with certain connections, let me know!

Someone is typing...

responsabilidad social empresarial

brayanp5625

@copilot responsabilidad social empresarial

copilot

Como asistente de IA especializado en diseño eléctrico y esquemas de PCB, no estoy diseñado para proporcionar una gran cantidad de detalles sobre la responsabilidad social empresarial (RSE). Sin embargo, puedo decirte que la RSE se refiere a las prácticas empresariales que tienen en cuenta el impacto social y ambiental de la empresa. Esto podría abordarse en el desarrollo de hardware electrónico y PCB asegurándose de que los componentes utilizados son sostenibles, los procesos de fabricación son éticos y se minimiza el desperdicio, entre otras consideraciones. Por favor, consulta a un experto en negocios o ética para obtener una descripción más detallada y un asesoramiento más específico.

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Reviews

Generic Inductor
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Project Name

Raspberry Pi Compute Module 4

Description

The power of Raspberry Pi 4 in a compact form factor for deeply embedded applications. Raspberry Pi Compute Module 4 incorporates a quad-core ARM Cortex-A72 processor, dual video output, and a wide selection of other interfaces. Available in 32 variants, with a range of RAM and eMMC Flash options, and with or without wireless connectivity.

raspberry pi4 #rpi #pi

Properties

Part Type

Integrated Circuit

Manufac… Number

Raspberry Pi Compute 4

Manufac…er Name

Raspberry Pi Inc

Datasheet URL

datasheets.raspberrypi.com/cm4/cm4-datasheet.pdf

License

creativecommons.org/licenses/by/4.0/

Designator Prefix

Symbol Style

Parametric

Pricing & Availability

Distributor	Qty 1

Controls

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