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Welcome to Flux

Treat Flux like your intern. Tell it what you'd like to build and it'll get to work. You can also ask it questions, brainstorm ideas, and teach it your preferences. Learn More

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are there any issues in this project?
mogembo

mogembo

@copilot are there any issues in this project?
1y

copilot

Let me take a look at your project.
Here are some observations and suggestions:
  1. Capacitor Values: I notice that several capacitors, such as C17, C3, C1, and others, have their capacitance property unspecified. Make sure to define these values based on your application's requirements.
  2. Pin Connections:
    • Ensure that all critical connections are accurately made. For example:
      • The ACS712 sensors (U1, U2, U3, and U4) should have their VCC and GND pins connected appropriately.
      • Verify the connections made to ESP32 (U5), especially power inputs and communication pins.
  3. Power Supply:
    • Double-check that the power inputs are correctly mapped and ensure the ESP32 and other devices receive the right voltage levels. VIN should be provided a reliable voltage source suitable for the device.
  4. Unused Pins:
    • Check if any other components with unused pins need to be connected, especially for ICs that may require certain pins to be tied High/Low.
  5. Signal Integrity:
    • Consider adding decoupling capacitors near the power pins of ICs for improved signal stability.
  6. Component Placement:
    • The design seems to refer to a shield form-factor—consider the physical layout to ensure proper fitment if using existing headers or mounting holes.
These points focus on critical areas often needing attention. Let me know if there's any part of the design you want to delve into more deeply!
1y
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4
como hacer un semaforo con sp32 utilizando un display de 4 dijitos
mindy_olive_mas_amedda509629

mindy_olive_mas_amedda509629

@copilot como hacer un semaforo con sp32 utilizando un display de 4 dijitos
1y
Someone is typing...
7
create a detailed step by step plan table for U5 to verify its functionality.
mogembo

mogembo

@copilot create a detailed step by step plan table for U5 to verify its functionality.
1y

copilot

To verify the functionality of the ESP32-DEVKIT-V1 (designator U5), we'll create a step-by-step plan. This plan will help in testing basic functionality, I/O pins, and other features of the ESP32. Here's the table:

Table

StepDescriptionProcedureExpected Result
1Power UpConnect U5:VIN to +5V and U5:GND to Ground.Device powers on, and the onboard LED may blink if programmed.
2ProgrammingConnect U5:TX0 to USB-to-Serial adapter RX, RX0 to USB-to-Serial adapter TX. Upload a "Blink" sketch using the Arduino IDE.The onboard LED should blink.
3Wi-Fi FunctionalityLoad and run a basic Wi-Fi scan sketch to list available networks.Output should display available Wi-Fi networks.
4GPIO TestingConfigure GPIO pins (U5: D2, D4, D5, etc.) as inputs/outputs in a sketch and test with LEDs or buttons.GPIO pins should control LEDs or read buttons correctly.
5ADC FunctionalityConnect a variable voltage source to VP or VN, run an ADC read sketch.ADC readings should reflect the input voltages.
6I2C CommunicationConnect an I2C device (e.g., an OLED display) to D21 (SDA) and D22 (SCL), run an I2C scan sketch.The I2C address of the connected device should be detected.
7Serial CommunicationOpen Serial Monitor in Arduino IDE after loading a sketch that uses Serial communication.Text sent from ESP32 should appear in the Serial Monitor and vice versa.
8PWM OutputAttach an LED to a PWM-capable pin (e.g., D5) and run a PWM sketch to fade the LED.The LED should smoothly change its brightness.
9SPI CommunicationConnect an SPI device (e.g., an SD card module) to the designated SPI pins, load an SPI test.The ESP32 should communicate with the SPI device, e.g., read/write operations.
10Deep Sleep ModeLoad a sketch that puts ESP32 into deep sleep, and wake it using a button connected to an RTC GPIO.The ESP32 should enter sleep, reducing power consumption, and wake on button press.
Follow these steps systematically to verify the full functionality of the ESP32-DEVKIT-V1. Let me know if you need further details on any of the steps!
1y
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6
please explain what U1 does.
mogembo

mogembo

@copilot please explain what U1 does.
1y

copilot

The component U1 in your project is an ACS712ELCTR-20A-T, which is a current sensor IC from Allegro MicroSystems. This sensor is capable of measuring both AC and DC currents. Here’s a breakdown of its function:
  • Current Sensing Capability: It can measure the current flowing through your circuit up to ±20A. The sensor provides an analog voltage output that is proportional to the current.
  • Isolation: The ACS712 provides electrical isolation between the current it is measuring and the sensor's output. This is beneficial for safety and protecting your microcontroller, such as the ESP32-DEVKIT-V1 you have in the project.
  • Output: The output voltage at the VIOUT pin is a linear representation of the current flowing through the IP+ and IP- pins. When there is no current flowing through the sensor, the output voltage is approximately half of the supply voltage VCCVCC.
  • FILTER Pin: The FILTER pin allows you to connect a capacitor to set the bandwidth of the device, which can help reduce noise in your current measurements.
This sensor is commonly used for power monitoring applications such as solar stations, as in your project. If you have any specific questions about how to connect or use U1, feel free to ask!
1y
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3
+5V
ADC_3
+5V
C2
Capacitance
1nF
ADC_1
+5V
ADC_2
VCC
+5V
C4
Capacitance
1nF
U1
Not Recommended for New Designs
U5
U3
Not Recommended for New Designs
U2
Not Recommended for New Designs
3
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5
are there any issues in this project?
mogembo

mogembo

@copilot are there any issues in this project?
1y

copilot

Let’s go through the key aspects of your project to identify any potential issues:
  1. Component Values:
    • There are several capacitors (e.g., C1, C2, C3) without specified capacitance values. Ensure that these values are determined based on your application requirements.
  2. Power Supply Connections:
    • Check the power connections for U5 (ESP32-DEVKIT-V1). Ensure the 3V3 pin is connected to an appropriate voltage supply if needed.
    • Ensure that the ACS712 sensors (U1, U2, U3, U4) have their VCC connected to a stable +5V source.
  3. Ground Connections:
    • Review the GND net to make sure that all components needing a ground reference are properly connected to the ground net.
  4. Unused Pins:
    • For U6, there are two pins labeled as GND. Make sure both ground pins are connected unless specified otherwise by the datasheet.
  5. Net Connections:
    • The nets like ADC_1, ADC_2, ADC_3, and ADC_4 are connected to ESP32 analog pins. Verify the pin mappings are as intended for the signals you need to measure.
  6. Overlapping Nets/Designators:
    • ADC_1 and other ADC nets are repeated, ensure there’s no confusion or unintentional overlap in the net names or connections.
By addressing these checks and ensuring that your schematic logic is sound, you can avoid potential issues when your PCB is populated and tested. Let me know if there's any specific part of the circuit you'd like to discuss further!
1y
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8
New Comment
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U6
  • Ground
    Ground
    A common return path for electric current. Commonly known as ground.
    jharwinbarrozo
    20.5M
  • Net Portal
    Net Portal
    Wirelessly connects nets on schematic. Used to organize schematics and separate functional blocks. To wirelessly connect net portals, give them same designator. #portal
    jharwinbarrozo
    43.0M
  • Power Net Portal
    Power Net Portal
    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 #power
    jharwinbarrozo
    11.4M
  • Generic Resistor
    Generic Resistor
    A generic fixed resistor ideal for rapid circuit topology development. Its footprint automatically adapts based on the selected package case code—supporting 0402, 0603, 0805, 1203, and many other standard SMD packages, as well as axial horizontal and vertical configurations. Save precious design time by seamlessly add more information to this part (value, footprint, etc.) as it becomes available. Standard resistor values: 1.0 ohm, 10 ohm, 100 ohm, 1.0k ohm, 10k ohm, 100k ohm, 1.0M ohm 1.1 ohm, 11 ohm, 110 ohm, 1.1k ohm, 11k ohm, 110k ohm, 1.1M ohm 1.2 ohm, 12 ohm, 120 ohm, 1.2k ohm, 12k ohm, 120k ohm, 1.2M ohm 1.3 ohm, 13 ohm, 130 ohm, 1.3k ohm, 13k ohm, 130k ohm, 1.3M ohm 1.5 ohm, 15 ohm, 150 ohm, 1.5k ohm, 15k ohm, 150k ohm, 1.5M ohm 1.6 ohm, 16 ohm, 160 ohm, 1.6k ohm, 16k ohm, 160k ohm, 1.6M ohm 1.8 ohm, 18 ohm, 180 ohm, 1.8K ohm, 18k ohm, 180k ohm, 1.8M ohm 2.0 ohm, 20 ohm, 200 ohm, 2.0k ohm, 20k ohm, 200k ohm, 2.0M ohm 2.2 ohm, 22 ohm, 220 ohm, 2.2k ohm, 22k ohm, 220k ohm, 2.2M ohm 2.4 ohm, 24 ohm, 240 ohm, 2.4k ohm, 24k ohm, 240k ohm, 2.4M ohm 2.7 ohm, 27 ohm, 270 ohm, 2.7k ohm, 27k ohm, 270k ohm, 2.7M ohm 3.0 ohm, 30 ohm, 300 ohm, 3.0K ohm, 30K ohm, 300K ohm, 3.0M ohm 3.3 ohm, 33 ohm, 330 ohm, 3.3k ohm, 33k ohm, 330k ohm, 3.3M ohm 3.6 ohm, 36 ohm, 360 ohm, 3.6k ohm, 36k ohm, 360k ohm, 3.6M ohm 3.9 ohm, 39 ohm, 390 ohm, 3.9k ohm, 39k ohm, 390k ohm, 3.9M ohm 4.3 ohm, 43 ohm, 430 ohm, 4.3k ohm, 43K ohm, 430K ohm, 4.3M ohm 4.7 ohm, 47 ohm, 470 ohm, 4.7k ohm, 47k ohm, 470k ohm, 4.7M ohm 5.1 ohm, 51 ohm, 510 ohm, 5.1k ohm, 51k ohm, 510k ohm, 5.1M ohm 5.6 ohm, 56 ohm, 560 ohm, 5.6k ohm, 56k ohm, 560k ohm, 5.6M ohm 6.2 ohm, 62 ohm, 620 ohm, 6.2k ohm, 62K ohm, 620K ohm, 6.2M ohm 6.8 ohm, 68 ohm, 680 ohm, 6.8k ohm, 68k ohm, 680k ohm, 6.8M ohm 7.5 ohm, 75 ohm, 750 ohm, 7.5k ohm, 75k ohm, 750k ohm, 7.5M ohm 8.2 ohm, 82 ohm, 820 ohm, 8.2k ohm, 82k ohm, 820k ohm, 8.2M ohm 9.1 ohm, 91 ohm, 910 ohm, 9.1k ohm, 91k ohm, 910k ohm, 9.1M ohm #generics #CommonPartsLibrary
    jharwinbarrozo
    1.5M
  • Generic Capacitor
    Generic Capacitor
    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, 10000uF 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, 220pF, 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
    jharwinbarrozo
    1.5M
  • Generic Inductor
    Generic Inductor
    A generic fixed inductor suitable for rapid circuit topology development. The footprint automatically adapts based on the selected package, supporting standard SMD sizes (e.g., 0402, 0603, 0805) as well as well-known inductor packages such as SDR1806, PA4320, SRN6028, and SRR1260. Standard inductor values: 1.0 nH, 10 nH, 100 nH, 1.0 µH, 10 µH, 100 µH, 1.0 mH 1.2 nH, 12 nH, 120 nH, 1.2 µH, 12 µH, 120 µH, 1.2 mH 1.5 nH, 15 nH, 150 nH, 1.5 µH, 15 µH, 150 µH, 1.5 mH 1.8 nH, 18 nH, 180 nH, 1.8 µH, 18 µH, 180 µH, 1.8 mH 2.2 nH, 22 nH, 220 nH, 2.2 µH, 22 µH, 220 µH, 2.2 mH 2.7 nH, 27 nH, 270 nH, 2.7 µH, 27 µH, 270 µH, 2.7 mH 3.3 nH, 33 nH, 330 nH, 3.3 µH, 33 µH, 330 µH, 3.3 mH 3.9 nH, 39 nH, 390 nH, 3.9 µH, 39 µH, 390 µH, 3.9 mH 4.7 nH, 47 nH, 470 nH, 4.7 µH, 47 µH, 470 µH, 4.7 mH 5.6 nH, 56 nH, 560 nH, 5.6 µH, 56 µH, 560 µH, 5.6 mH 6.8 nH, 68 nH, 680 nH, 6.8 µH, 68 µH, 680 µH, 6.8 mH 8.2 nH, 82 nH, 820 nH, 8.2 µH, 82 µH, 820 µH, 8.2 mH #generics #CommonPartsLibrary
    jharwinbarrozo
    15.8k
  • Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
    natarius
  • RMCF0805JT47K0
    RMCF0805JT47K0
    47 kOhms ±5% 0.125W, 1/8W Chip Resistor 0805 (2012 Metric) Automotive AEC-Q200 Thick Film #forLedBlink
    jharwinbarrozo
    1.2M
  • 875105359001
    875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
    jharwinbarrozo
    1.2M
  • CTL1206FYW1T
    CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
    jharwinbarrozo
    1.1M

esp32 power shield

Shield for measuring voltage/current using three ACS712s. The shield is suitable for your IoT devices where power monitoring is required, such as a solar station

Properties

Properties describe core aspects of the project.

Pricing & Availability

Distributor

Qty 1

Digi-Key

$7.07–$15.16

LCSC

$6.41

Mouser

$15.16

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