• Terminal
    Terminal
    An electrical connector acting as reusable interface to a conductor and creating a point where external circuits can be connected.
  • Ground
    A common return path for electric current. Commonly known as ground.
  • Net Portal
    A net identifier used to create connectivity to other Net Portal with the same designator. #portal
  • 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
  • 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
  • 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
  • Generic Inductor
    A generic fixed inductor for rapid developing circuit topology. *You can now change the footprint and 3D model at the top level anytime you want. This is the power of #generics
  • 875105359001
    10uF Capacitor Aluminum Polymer 20% 16V SMD 5x5.3mm #forLedBlink #commonpartslibrary #capacitor #aluminumpolymer #radialcan
  • CTL1206FYW1T
    Yellow 595nm LED Indication - Discrete 1.7V 1206 (3216 Metric) #forLedBlink
  • 1070TR
    Battery Holder (Open) Coin, 20.0mm 1 Cell SMD (SMT) Tab bate or batt #forLedBlink
please explain what IC1 does.

@copilot please explain what IC1 does.
1y
IC1 is a module called MPU-6050 from TDK InvenSense. It's what's known as an Inertial Measurement Unit (IMU)– a device that measures and reports on velocity, orientation, and gravitational forces, by combining an Accelerometer and a Gyroscope sensor.
Here are the main pins and their functionalities:

  • SCL: This is for the Serial Clock Line which is necessary for I2C communication.
  • SDA: This is for the Serial Data Line, another essential for I2C communication.
  • VDD: The power supply pin, it is connected to the 3.3 volts power supply in this design.
  • GND: The ground pin, for completing the circuit.
  • VLOGIC: Supplies power for the I2C bus interface, connected to 3.3V in the design.
  • AD0: This pin decides the I2C address of the MPU-6050, if it’s given HIGH then the address will be 0x69, otherwise it will be 0x68.
  • INT: Digital interrupt output.
It seems like in this schematic the auxiliary I2C bus of the MPU-6050 (AUX_DA and AUX_CL) isn't connected, so it's likely not being used in this design. Other pins like FSYNC and CLKIN are also left unconnected.
The module is used in applications like drone stabilization, robotics, 3D movement tracking, among others. It is also used for the detection of gestures, and for simple orientation detection.
1y
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please explain what C3 does.

@copilot please explain what C3 does.
8mo
C3, which has a capacitance of $0.1\mu F$, plays a crucial role in this MPU-6050 IMU Module project. Here's a detailed explanation of its function within the design:

  1. Decoupling/By-pass Capacitor: C3 is connected between the power supply line (VDD) and ground (GND). In this specific setup, it is part of the net that includes the pins C3:(P2) along with IC1:(CLKIN), IC1:(GND), IC1:(FSYNC), C2:(P2), and C1:(P2). This configuration strongly hints at its role as a decoupling or by-pass capacitor. Its purpose is to filter out high-frequency noise from the power supply, providing a cleaner DC supply to the IC and other components. This is essential for sensitive electronics like an MPU-6050, where noise can significantly impact the performance and accuracy of measurements.
  2. Stabilizing the Voltage Supply: By storing and supplying electrical energy as needed, C3 also helps stabilize the voltage supply to the IC. This is critical during transient conditions where sudden changes in the load may cause brief dips or spikes in the voltage supply. It effectively acts like a small, local power reserve that can quickly release or absorb energy.
  3. Improving Power Supply Integrity: In high-speed digital circuits, such as those involving I²C communication with the MPU-6050, switching currents can create voltage drops across the traces on the PCB. C3 helps mitigate these effects, maintaining a more consistent voltage level at the IC's power supply pin.
Considering its value of $0.1\mu F$, C3 is likely optimized for filtering out higher frequency components of the noise, which is common for applications involving digital ICs. The placement of such capacitors as close as possible to the power supply pins of the IC they are meant to serve is also crucial for effectiveness, though the schematic description does not specify the physical layout details.
8mo
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6
please explain what XDA does.

@copilot please explain what XDA does.
8mo
The XDA pin in the context of the MPU-6050 IMU module serves a specific function related to its auxiliary I2C bus. The MPU-6050 is a complex sensor that includes not just an accelerometer and a gyroscope, but also the capability to connect to external sensors.

  • XDA (Auxiliary Data): This stands for "Auxiliary Data," and it's part of the auxiliary I2C bus that the MPU-6050 offers. The auxiliary I2C bus (auxiliary Serial Data and auxiliary Serial Clock, XDA and XCL respectively) allows external I2C devices to be connected directly to the MPU-6050. This feature is designed for situations where multiple sensors are used in conjunction and need to communicate with the main processor through the MPU-6050, acting as a master I2C controller to these external sensors.
The primary purpose of this feature is to allow the MPU-6050 to gather data from these external sensors without requiring the main application processor to handle these transactions directly, which can simplify the design and reduce resource requirements on the main processor. For example, it could be used to connect a magnetometer to the MPU-6050, allowing for the combination of accelerometer, gyroscope, and magnetic field data to implement more complex motion detection capabilities like 9-axis MotionFusion.
For a project utilizing the MPU-6050 and planning to connect additional sensors:

  • It's important to ensure that the XDA and XCL pins (if used) are correctly connected to the external sensor's SDA and SCL pins respectively.
  • Additionally, configuring the MPU-6050 to correctly manage these external sensors through its internal registers is necessary for proper operation.
8mo
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5
please explain what R2 does.

@copilot please explain what R2 does.
8mo
In your project, R2 plays the role of a pull-up resistor for the I2C data line (SDA). Here’s how it functions within the circuit:

  • Pull-up Resistor for I2C SDA Line: R2 is connected between the 3V3 power net and the SDA pin of the MPU-6050 sensor (IC1), along with the SDA line of your I2C communication bus.
The I2C bus requires pull-up resistors on both the data (SDA) and clock (SCL) lines to pull the line high when no device is actively driving it low. This is because I2C devices use open-drain (or open-collector) outputs, which can only pull the line low but cannot drive it high. The pull-up resistor ensures the line is at a known high state when it's not being pulled low by a device on the bus.

  • Specific Connections:

    • Connect R2:1 to 3V3:P1 (Power Supply).
    • Connect R2:2 to IC1:SDA (Data line of the MPU-6050) and to the SDA line of the I2C bus.
Without R2, the SDA line would float when no device is driving it, leading to unpredictable data transfer on the I2C bus. Typically, a 10kΩ resistor is used for this purpose on a 3.3V I2C bus, which matches the description of R2 in your project, assuming the power supply (3V3) is indeed 3.3 volts as its designator suggests.
8mo
in case of operating on i2c fast mode should I adjust the resistor value to be 2.2Kohm
8mo
Yes, shifting to I2C Fast Mode, which operates at 400 kHz, may indeed necessitate using a lower value pull-up resistor like 2.2 kΩ for both the SDA and SCL lines. This adjustment helps to ensure the bus signals have faster rise times, which is crucial for the reliable operation at the higher clock speeds that Fast Mode employs.
Pull-up resistor values for I2C lines are chosen based on various factors including the bus capacitance, the voltage level, and the desired speed of communication. In faster I2C modes, lower resistance values help in achieving sharper rise times of the signals, compensating for the increased capacitance and ensuring the signal integrity at higher frequencies.
Here's why you should consider adjusting to 2.2 kΩ for Fast Mode:

  • Faster Rise Times: Lower resistance values decrease the time constant $τ = RC$ for charging the bus capacitance, leading to faster rise times. This is beneficial for meeting the more stringent timing requirements of Fast Mode.
  • Signal Integrity: At higher frequencies, ensuring that the signal remains as square as possible becomes increasingly important. Lowering the pull-up resistance helps maintain the integrity of the signal, reducing the likelihood of errors.
  • Balancing Power and Speed: While lower resistances are beneficial for speed, they do result in higher power consumption when the bus is driven low. Therefore, 2.2 kΩ is often a practical compromise between achieving the desired speed and managing power efficiency on a 3.3V I2C bus.
If you decide to change the resistor value for operating in I2C Fast Mode:

  • Replace $R1$ and $R2$ with 2.2 kΩ resistors for the SDA and SCL lines, respectively, to accommodate the faster communication requirements.
Always consider evaluating the specific needs of your circuit, including the total capacitance of the bus and the number of devices connected, as these factors can influence the optimal resistor value. If the bus capacitance is high or if very long cable runs are used, further adjustments might be necessary.
8mo
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3
please explain what C4 does.

@copilot please explain what C4 does.
8mo
Capacitor C4, with a capacitance value of $0.01\mu F$ (10nF), serves a specific role in this circuit surrounding the MPU-6050 IMU module. Based on the connections and standard practices in electronic circuit design, here are the main functions of C4:

  • Decoupling/By-pass Capacitor: The primary role of C4 is likely as a decoupling or bypass capacitor. These capacitors are used to filter out noise from the power supply and provide a stable voltage level to the ICs. In high-frequency digital circuits, such as those involving the MPU-6050, it's crucial to minimize power supply noise to ensure accurate readings and stable operation. The capacitance value of $0.01\mu F$ is a common choice for filtering high-frequency noise.
  • Connections:

    • From C4:1 (P2) to 3V3 (Power Net): This connection indicates that one side of C4 is connected to the 3.3V power supply. This is typical for a decoupling capacitor, which is placed close to the power supply pin of an IC to filter out noise right at the source.
    • From C4:2 (P1) to IC1:GND (Ground): The other side of C4 is connected to the ground, completing the path for the filtering of high-frequency noise from the power line to the ground.
Given the generalized use of such a capacitor and the connections observed in your project, C4 is strategically placed to ensure the MPU-6050 operates with a clean power supply, enhancing the module's overall performance by reducing potential interference.
8mo
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4
3V3
C1
Capacitance
2200p F
C3
Capacitance
0.1u F
3V3
C2
Capacitance
0.1u F
3V3
3V3
R2
Resistance
10K Ω
R1
Resistance
10K Ω
C4
Capacitance
0.01u F
IC1
INT
XDA
AD0
3.3V
GND
XCL
SCL
SDA

MPU-6050 Module

MPU-6050 Module
Description

Created
October 18th 2023
Last updated by vasyl
a year ago
2 Contributor(s)
vasyl
twinklingstars

Controls

Properties

Availability & Pricing

DistributorQty 1
Digi-Key$4.63–$7.16
LCSC$4.99
Mouser$8.70

Assets

Simulation

µs

Simulation Speed

: please add an ESP32 and wire
@copilot: please add an ESP32 and wire
5mo
How do I connect mpu6050 with esp8266
How do I connect mpu6050 with esp8266
9mo
how do I connect MP-6050 Module with Arduino Nano?
@copilot how do I connect MP-6050 Module with Arduino Nano?
1y
Connecting the MPU-6050 module (6-axis Gyro + Accelerometer) with an Arduino Nano involves interfacing via I2C pins.
Here's a step-by-step procedure:

  1. Connect VCC of the MPU-6050 to 5V of the Arduino Nano.
  2. Connect GND of the MPU-6050 to GND of the Arduino Nano.
  3. Connect SDA (I2C data line) of the MPU-6050 to A4 of the Arduino Nano.
  4. Connect SCL (I2C clock line) of the MPU-6050 to A5 of the Arduino Nano.
  5. The AD0 pin can be left unconnceted if you are using a single MPU-6050 module. This pin is used to set the I2C address of the module when multiple modules are linked to the same I2C bus.
After connecting the MPU-6050 to the Arduino Nano, you'll need some code to read the sensor data from the MPU-6050. There's a popular Arduino library for this, known as MPU6050.h, which you can include in your code to make it easier to read data from the sensor.
Remember that these mappings are assumed based on typical Arduino Nano pin usage. If they are occupied in your specific project, you'll need to select other digital pins but those other pins must be set to operate with I2C functionality. Let me know if you need help with anything else!
Please note that depending on the specific version of your Arduino Nano, the I2C pins might vary. Please refer to your Arduino Nano's datasheet or specifications to identify the I2C pins.
Here is an example of the recommended connection:

Table


MPU-6050 moduleArduino Nano
VCC5V
GNDGND
SDAA4 (SDA)
SCLA5 (SCL)
AD0- not connected -
1y
Hey, I’m Copilot, your AI design assistant. I can help you brainstorm ideas, deb...
Hey, I’m Copilot, your AI design assistant. I can help you brainstorm ideas, debug problems, research components, and even make wiring connections for you. Ask me questions like:

  • @copilot I'm designing a PCB for a medical device that measures heart rate and temperature. Can you give me the list of components I will need?
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  • @copilot can you choose 4 digital pins on the ATMega328P-AU that I have here to use as GPIO given that I am already using some pins for reset, the external clock, UART, and I2C.
Chat with me by tagging @copilot on comments or in the chat.
1y
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Designator
Ruleset
*`REF`*
IC1
*`REF`*
C3
*`REF`*
C1
*`REF`*
R2
*`REF`*
C4
*`REF`*
R1
*`REF`*
C2
Reports terminals that are not connected properly. NOTE: Only connections to the center of pads are considered valid.
Reports nodes that are using rules that are not supported anymore.
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Detect any via, trace or copper fill island that is not connected to any net.