Schematic Symbol for ESP32-WROOM-32 with Simplified Footprint:...

Terminal
An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
natarius
Ground
A common return path for electric current. Commonly known as ground.
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Net Portal
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Power Net Portal
Power net portal is a special schematic object used to define a power or ground net. Power ports allow you to conveniently indicate a power net at any location in the design. Power nets of the same designator automatically connect throughout your design #portal #power
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Generic Resistor
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 #CommonPartsLibrary
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Generic Capacitor
A generic fixed capacitor 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 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 #CommonPartsLibrary
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Generic Inductor
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700.5k

explain this project.

@copilot explain this project.

4mo

This project appears to be centered around using an Espressif Systems ESP32-WROOM-32 module, which is a popular module for Wi-Fi and Bluetooth applications. Here's a breakdown of the key elements of the project:

Key Elements:

ESP32-WROOM-32 Module:
- Bluetooth and Wi-Fi Capabilities: The module operates within the 2.4GHz - 2.5GHz range.
- Simplified Footprint: The design is optimized for ease of use.

Pins and Designators:
- There are multiple pins including GPIOs (General Purpose Input/Output), power pins, and ground pins.
- The pins are named and designed based on their functionalities, such as IO32, IO16, SENSOR_VP, etc.

Special Pins:
- GND: Ground pins.
- VDD: Power supply pin.
- RXD0/IO3 and TXD0/IO1: Typically used for UART communication.
- SENSOR_VP and SENSOR_VN: Likely used for analog sensor inputs.
- Various IO pins: These can be configured as digital input or output pins or to serve special peripheral functions (like I2C, SPI, PWM, etc.).

Assumptions:

Manufacturer: Espressif Systems.

Designator Prefix: U for the main module, P for pins.

Next Steps for the Project:

Power Connections:
- Connect $VDD$ to a suitable power source (e.g., 3.3V).
- Connect all $GND$ pins to the ground.

Basic Connections:
- Connect essential pins depending on the desired functionality (e.g., UART pins for serial communication, GPIOs for digital input/output).

Peripherals and Interfaces:
- Connect any sensors, buttons, LEDs, or other peripherals to appropriate GPIO pins.
- Set up communication interfaces if required (e.g., I2C, SPI).

Schematic Visualization:

Though no electrical connections have been made, the next step would be to make those connections in the schematic editor within Flux. Here’s an example of some basic connections:

Power Supply:
- Connect $VDD$ :2 to a 3.3V supply.
- Connect $GND$ :1, $GND$ :15, $GND$ :38, and $GND$ :39 to the ground.

UART for Serial Communication:
- Connect $TXD0/IO1$ :35 to the RX pin of a USB-to-UART adapter.
- Connect $RXD0/IO3$ :34 to the TX pin of a USB-to-UART adapter.

Would you like to start making specific connections, or do you need further clarification on any aspect?

4mo

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Give me compones for protectin from RF inteference and its name and values. Also...

jee

@copilot Give me compones for protectin from RF inteference and its name and values. Also in the schematics show place to connecte the compontest., how it should be conneted also show

7mo

copilot

To protect your ESP32-WROOM-32 from RF interference, you can use several components such as:

Ferrite Beads

Capacitors for Decoupling/Bypassing

Shielding

EMI Filters (LC Filters)

Here’s a basic outline of the components and their values:

1. Ferrite Beads

Component: Ferrite Bead

Typical Value: 600Ω at 100 MHz

2. Capacitors for Decoupling/Bypassing

Component: Ceramic Capacitors (Murata or similar)

Typical Value: 0.1µF and 10µF

3. Shielding

Component: EMI Shielding Can/Enclosure

No numerical values, custom fit to cover sensitive areas.

4. EMI Filters (LC Filters)

Component: LC Filter (Inductor & Capacitor)

Typical Values: Inductor $100\mu H$ , Capacitor $0.1\mu F$

Schematic Connections:

Let's lay out the connections for Ferrite Beads and Decoupling Capacitors in your schematic:

Ferrite Bead (FB1): Connect the bead between your power source and the VDD pin of the ESP32.

Decoupling Capacitors (C1, C2): Place one $0.1\mu F$ capacitor and one $10\mu F$ capacitor as close as possible to the VDD pin and connect them in parallel.

Schematic Connections Example

Ferrite Bead:
- Connect P1:VDD to FB1:1
- Connect FB1:2 to U1:VDD

Decoupling Capacitors:
- Connect FB1:2 to $C1:1$ and $C2:1$ (in parallel)
- Connect $C1:2$ to GND and $C2:2$ to GND

Annotated Connections:

Connect P1:VDD to FB1:1.

Connect FB1:2 to U1:VDD, $$C1:1$$, and $$C2:1$$.

Connect $$C1:2$$ to GND.

Connect $$C2:2$$ to GND.

Here's a sample snippet for your schematic:

Plaintext
P1:VDD ---- FB1:1
FB1:2 ---- U1:VDD, $$C1:1$$, $$C2:1$$
$$C1:2$$ ---- GND
$$C2:2$$ ---- GND

Would you like me to add these components and connections to your schematic in Flux? If so, I'll proceed with adding these components and connecting them accordingly.

7mo

Someone is typing...

are there any issues in this project?

flavored

@copilot are there any issues in this project?

7mo

copilot

Here are a few points to check and potential issues to look out for:

Power Supply Connections:
- Ensure that all VDD pins are connected to a suitable power source.
- Ensure that all GND pins are properly connected to ground.

Unused Pins:
- Verify if any NC (Not Connected) pins need to be connected to anything specific as per the ESP32 module's datasheet.

Special Function Pins:
- Double-check the pins that have special functions like EN, RXD0/IO3, TXD0/IO1, and others, and ensure they are connected as needed for your specific usage scenario.

Programming/Reset Circuit:
- Generally, it’s a good practice to include a reset circuit (connection to EN pin) and possibly a boot mode configuration via GPIO0 (IO0) for programming the ESP32. Make sure these are connected if needed.

Peripheral Connections:
- Ensure that all other peripherals you intend to use are correctly connected to the appropriate GPIO pins.

Pull-up/Pull-down Resistors:
- Some GPIOs may require pull-up or pull-down resistors. Verify this based on your application needs and the ESP32 datasheet.

Decoupling Capacitors:
- Check if decoupling capacitors are needed near power supply pins to stabilize voltage and reduce noise.

Do you have any specific parts of the circuit where you are unsure about the connections? That way, I can assist you to resolve those concerns.

7mo

Someone is typing...

So if I use decoupling capacitor what kind of capacitor should I use, ceramic, s...

jee

@copilot So if I use decoupling capacitor what kind of capacitor should I use, ceramic, smd or cylinderical capacitor

7mo

copilot

For decoupling capacitors, which are used to filter out noise and provide a stable power supply to integrated circuits, it's common to use:

Ceramic Capacitors: They are preferred because of their low equivalence series resistance (ESR) and inductance, and their ability to handle high-frequency signals effectively.

SMD (Surface Mount Device) Capacitors: These are also typically used in modern PCBs because they save space and are suitable for automated assembly processes.

Given these points, you should use ceramic SMD capacitors for decoupling purposes in your design with the ESP32-WROOM-32 module. A common choice is the 0.1 µF (100 nF) ceramic SMD capacitor placed close to the power pins of your ICs.

Would you like recommendations on specific capacitor placement or values?

7mo

Someone is typing...

GND

IO35

DPN	Stock	Qty 1
	1	0	$3.8405

So if I use decoupling capacitor what kind of capacitor should I use, ceramic, s...

jee

So if I use decoupling capacitor what kind of capacitor should I use, ceramic, smd or cylinderical capacitor

7mo

I want to add usb type c for data and power

ifsale

@copilot I want to add usb type c for data and power

7mo

copilot

To add USB Type-C for data and power to your ESP32-WROOM-32 project, you'll need to take care of both power delivery (PD) and data lines connections. For a basic setup, assuming you are not implementing full USB PD complexity for higher power levels, but just standard data and power delivery for your ESP32, here are the steps you would follow:

Required Components:

USB Type-C Receptacle: This will be your physical connector for the cable. Make sure it supports data lines.

USB Type-C Controller (optional): For simple applications, you might not need this, but for applications requiring configuration of the Type-C port (e.g., power roles, data roles), consider a USB Type-C controller.

Protection Components: It's good practice to include ESD protection diodes on the data lines and potentially a fuse on the VBUS line for overcurrent protection.

Connections: Power Delivery:

VBUS (Voltage Bus): The VBUS pin from the USB Type-C receptacle should be connected to the $VDD$ pin of the ESP32-WROOM-32 (P:VDD). Depending on your power requirements, you might need a voltage regulator in between if the voltage levels are not compatible. ESP32 generally operates at 3.3V.

GND (Ground): The ground pin from the USB Type-C receptacle should be connected to the $GND$ pin(s) of the ESP32-WROOM-32 (You have multiple GND pins, so you could choose P:GND with Pin Number 38, 39, 15, or 1 for this purpose).

Data Lines:

D+ and D- (Data Plus and Data Minus): The USB Type-C has multiple configurations for data lines. If you are using it for basic serial communication, you might want to connect these to a USB-to-UART bridge chip first, then connect the UART lines to the ESP32's U0T (P:TXD0/IO1) and U0R (P:RXD0/IO3) pins for serial communication.
- Connect USB Type-C D+ to USB-to-UART Bridge D+
- Connect USB Type-C D- to USB-to-UART Bridge D-
- Connect USB-to-UART Bridge TX to P:RXD0/IO3
- Connect USB-to-UART Bridge RX to P:TXD0/IO1

Additional Details:

USB Configuration Channel (CC) Pin: For basic power delivery (up to 15W), you might not need to worry about the CC pin. However, for more advanced applications or proper cable orientation detection, you should consider using a USB Type-C port controller.

Protection: Place ESD protection diodes on the D+ and D- lines to protect against electrostatic discharge. Additionally, a fuse on the VBUS line can prevent damage from overcurrent conditions.

Remember, your specific USB Type-C implementation might require additional components or considerations depending on your power needs, whether you're implementing USB data communication, and other factors related to your project's requirements.

7mo

copilot

Creating a detailed schematic visually is beyond my capabilities as I can only provide textual descriptions and guidance. However, I'll describe a basic schematic layout for adding USB Type-C for both data and power to an ESP32-WROOM-32 based circuit. You can draw this out in your Flux.ai project based on the description.

Schematic Description for USB Type-C Integration: Component List:

U1: ESP32-WROOM-32 Module

U2: USB Type-C Receptacle

U3: USB-to-UART Bridge (e.g., CP2102N)

F1: Fuse, 0.5A, 0603 package

D1, D2: ESD Protection Diodes (e.g., SMF5.0A)

C1, C2: 0.1 µF Capacitors, 0603 package (decoupling capacitors)

R1, R2: 5.1kΩ Resistors, 0603 package (Pull-down resistors for CC1 and CC2)

Connection Guide:

Power Connection:
- Connect U2:VBUS to F1:1 (Fuse for overcurrent protection).
- Connect F1:2 to ESP32 VDD (P:VDD) and to one pin of C1 (for decoupling).
- Connect the other pin of C1 to a GND pin on the ESP32 (P:GND with any Pin Number 38, 39, 15, or 1).
- Connect U2:GND to ESP32 GND pins directly.

Data Connection:
- Connect U2:D+ and U2:D- to U3:USB_D+ and U3:USB_D- respectively (USB-to-UART bridge inputs).
- Connect U3:TX to ESP32 (P:RXD0/IO3) and U3:RX to ESP32 (P:TXD0/IO1).
- Place D1 and D2 across U2:D+ to U2:GND and U2:D- to U2:GND respectively for ESD protection.
- Connect C2 between U3:VDD (power input to USB-to-UART bridge) and GND for power decoupling.

USB Type-C Configuration Channel (CC) Connection:
- Connect a 5.1kΩ resistor (R1) from U2:CC1 to U2:GND.
- Connect a 5.1kΩ resistor (R2) from U2:CC2 to U2:GND.

Notes:

Fuse (F1) is used for overcurrent protection. It should be rated according to your application's power requirement but starting with a 0.5A fuse is common for USB-powered devices.

ESD Protection Diodes (D1, D2) protect the data lines from electrostatic discharges. Any fast ESD diode suitable for USB data lines can be used.

USB-to-UART Bridge (U3) is necessary if you want to use the USB for both data (serial communication) and power. This bridge converts the USB signals to UART compatible with the ESP32 serial pins.

Decoupling Capacitors (C1, C2) are used near the power pins of the ESP32 and USB-to-UART Bridge to stabilize the power supply.

Pull-down Resistors (R1, R2) are needed for the CC1 and CC2 lines to set the power role of the device as a 'sink', which is typical for peripheral devices.

You can arrange these components and connections using your preferred electronics CAD software, such as Flux.ai, to create the physical circuit based on this schematic description.

7mo

ifsale

@copilot can you show me the schematics ?

7mo

@copilot ADD SIM800L MODULE

baesquivel

@copilot ADD SIM800L MODULE

9mo

copilot

To add a SIM800L module to your ESP32-WROOM-32 project, you'll need to establish a few key connections to enable communication between the SIM800L and the ESP32 module. The SIM800L requires connections for power, UART for data communication, and potentially some control lines depending on your application's requirements. Here is a simplified connection guide, assuming you are using the SIM800L for basic GSM communication functions, such as sending SMS or making HTTP requests.

Firstly, I'll map out the general connections required for integrating a SIM800L module into your project, and then I'll suggest specific ESP32 pins you can use for these connections:

General SIM800L to ESP32 Connection Guide

Power Supply: The SIM800L module typically operates at 3.4V to 4.4V, and it requires a decent amount of current (up to 2A during transmission bursts). Make sure to use a power supply that can accommodate these requirements.

UART Communication: The SIM800L communicates with the ESP32 via UART. You need to connect the SIM800L's TXD pin to one of the ESP32's RX pins, and the SIM800L's RXD pin to one of the ESP32's TX pins.

Reset Line (optional): You may want to control the SIM800L's reset line from the ESP32 for better management of the module's state.

Given these requirements, here’s a possible mapping to your ESP32-WROOM-32 pins:

Specific Pin Connections

Power Supply for SIM800L: Since the ESP32 cannot directly supply the required voltage or current, use an external power source connected to the SIM800L's VCC and GND pins. Ensure the power supply can handle up to 2A for GSM transmission peaks and is within the 3.4V to 4.4V range.

UART Communication:
- Connect SIM800L TXD to ESP32 RXD0/IO3 (Designator: RXD0/IO3, Pin Number: 34)
- Connect SIM800L RXD to ESP32 TXD0/IO1 (Designator: TXD0/IO1, Pin Number: 35)
  
  This uses the ESP32's UART0. If UART0 is reserved for serial debugging or other tasks, you may choose another UART peripheral’s pins instead.

Reset Line (optional): If you want to control the SIM800L reset line from the ESP32, you can connect it to any available GPIO pin that is not otherwise reserved. For example:
- Connect SIM800L RST to ESP32 IO0 (Designator: IO0, Pin Number: 25)

Notes

Ensure the common ground between the ESP32 and SIM800L by connecting the GND of the SIM800L to one of the ESP32's GND pins (e.g., Designator: GND, Pin Number: 38).

The power requirements of the SIM800L may necessitate the use of a power supply separate from that of the ESP32, or at least capable of providing sufficient, stable power to both modules when sourced together.

Depending on your application, you might need to add a level shifter between the ESP32 and SIM800L if the logic voltage levels are not compatible. The ESP32 uses 3.3V logic, whereas the SIM800L typically is tolerant to 2.8V logic levels.

Don't forget to follow the necessary initialization sequences for both the ESP32 and SIM800L in your firmware, including setting up the UART with correct baud rates and configuring the SIM800L with AT commands for your specific GSM application.

This setup should help you get started with integrating a SIM800L module into your ESP32 project. If there are specific functionalities you're looking to implement, or if you encounter any issues, feel free to ask for more detailed assistance!

9mo

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vasy_skral / ESP32-WROOM-32 with Simplified Footprint

Schematic

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