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volt.tech Latest Questions

nidhi singh
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nidhi singh
Asked: January 24, 2023In: Wireless Connectivity

ESP32- CAM What’s the Max Capacity of the MicroSD Card?

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Hi, I would want to see what’s the maximum capacity of the MicroSD card to stay completely compatible with the ESP- 32 CAM specifications 32 Gb. further than 32Gb? Thank you for your answer, Nidhi Singh

32gbcamcardesp32espressifmicrosd
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Alex thomas
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Alex thomas
Asked: January 23, 2023In: Microcontroller

Switching from Community to RA Processor?

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Hello, We are changing a product from a Community to an RA processor. Can we use the same E2 Studio and switch between SSP and FSP? We’ll have times when we are doing maintenance on the Community product and also doing ...Read more

e2 studiofspmcuprocessorrarenesasssp
  • 1 Answer
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Answer
  1. nidhi singh
    Added an answer on January 25, 2023 at 11:19 am

    Hi Alex, The FSP and SSP releases are at a different meter and each version released is tested/ qualified against a specific version of e2-studio. The distribution download of the platform installer will ensure that the proper version of e2-studio will be with the FSP/ SSP version. I advise that youRead more

    Hi Alex,

    The FSP and SSP releases are at a different meter and each version released is tested/ qualified against a specific version of e2-studio. The distribution download of the platform installer will ensure that the proper version of e2-studio will be with the FSP/ SSP version. I advise that you command a different and specific installation for SSP and FSP.

    Thanks & Regards
    Nidhi

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nidhi singh
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nidhi singh
Asked: January 19, 2023In: Microcontroller

PSoC6 Port 6 GPIO shows a pulse at power up/ programming?

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Hi, We’re seeing a positive pulse in pin 6.5 while powering up, resetting & programming (via SWD). Please see the attached screenshots. The pin is port 6, which also has SWD and reset lines. We tested the pin with various configurations via ...Read more

gpioInfineonmcumicrocontrollerspsoc6pulse
  • 1 Answer
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Answer
  1. Alex thomas
    Added an answer on January 21, 2023 at 10:31 am

    Hello, By default, all GPIO pins start out at reset as Analog_HiZ. This means the pin though configured at initialization as a draw-down thing inactive low launches life floating until the boot initialization is complete. still, also I suggest an average worth resistor( 100K?) drag-down to GND If thRead more

    Hello,

    By default, all GPIO pins start out at reset as Analog_HiZ. This means the pin though configured at initialization as a draw-down thing inactive low launches life floating until the boot initialization is complete.

    still, also I suggest an average worth resistor( 100K?) drag-down to GND If this is your project case.

    Thank You

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Alex thomas
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Alex thomas
Asked: January 16, 2023In: Power Management

Why Facing a Peculiar Problem with L5973D

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Hello, I’m designing a circuit with an L5973D switching controller to give 3.8 v and am facing a peculiar problem. The circuit is as per the design reference in the datasheet and the feedback resistors are given to give 3.8 v ...Read more

dc-dc conversionl5973dpeculiarpower managementproblemresistors
  • 1 Answer
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Answer
  1. nidhi singh
    Added an answer on January 20, 2023 at 11:09 am

    Hi, out of my one experience in switch mode power supplies there are a couple of key points to follow when doing these designs. 1. Insure all resistors are 1 type, this limits the change over temperature which in turn will limit the output change variations. 2. Insure the track from the switching poRead more

    Hi,

    out of my one experience in switch mode power supplies there are a couple of key points to follow when doing these designs.

    1. Insure all resistors are 1 type, this limits the change over temperature which in turn will limit the output change variations.

    2. Insure the track from the switching point is close as possible to the coil and doesn’t add resistance to the coil.

    3. Output capacitors require to hold a low ESR type

    hope some of this helps.

    Thanks & Regards

    Nidhi Singh

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ashishgawade
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ashishgawade
Asked: January 12, 2023In: Wireless Connectivity

How to Check EMC in Test Mode for the Certification Process?

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Hi We’ve to get our hardware certified in a number of different countries. And to meet the certification process the ESP software will need to configure our hardware to different functional countries as there are a number of software-controlled DC/ DC ...Read more

certificationemcespesp32espressiffccsoftware
  • 1 Answer
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  1. Alex thomas
    Added an answer on January 17, 2023 at 10:26 am

    Hi, Do all possible noise sources have to be enabled during purposeful radiator testing or just those directly coupled to the antenna? Obviously, there is some possibility of dealings between purposeful and unintentional radiator sources. This is how we get stuff like FCC complete modular instrumentRead more

    Hi, Do all possible noise sources have to be enabled during purposeful radiator testing or just those directly coupled to the antenna? Obviously, there is some possibility of dealings between purposeful and unintentional radiator sources. This is how we get stuff like FCC complete modular instrument taking rf shielding and internal regulation. The unintentional radiator sources would be tested independently with purposeful radiators powered off. This may be different from other official authorities.

    Obviously, espressif should give some support similar to allowing gpio control or Lua/upython scripting in the test binary or releasing a library that can be incorporated into IDF designs. perhaps too important fear of CW mode being turned into a jammer? At least it should be available under NDA and usage agreement.

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vikas Nagpal
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vikas Nagpal
Asked: January 11, 2023In: Microcontroller

How RA2A1 24 Bit Single end input measure negative signal?

  • 0

Hello, I am thinking to use RA2A1 MCU to measure a very small AC (50Hz) signal, perhaps millivolt range or lower, but it’s sin wave that has negative amplitude, is RA2A1 MCU single-end input can handle negative signal? Thank You

mcumicrocontrollerra mcura2a1renesasRenesas Microcontrollersignal
  • 1 Answer
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Answer
  1. Alex thomas
    Added an answer on January 18, 2023 at 11:50 am

    Hi, You can find the input voltage range in differential input mode in Table 33.7: Thank You

    Hi,

    You can find the input voltage range in differential input mode in Table 33.7:

    Thank You

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nidhi singh
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nidhi singh
Asked: January 7, 2023In: Power Management

Why BAT63-02V and BAT62-02V Diodes Breaking Down?

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Hello. I’ve been using the diodes as an RF sensor for 2.4 GHz signals. After many tests, the diodes keep breaking down and I had to change the diodes. Reverse Voltage (Vr) is below the maximum ratings for both of them. ...Read more

bat62bat63diodespowerrf sensor
  • 1 Answer
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Answer
  1. vikas Nagpal
    Added an answer on January 10, 2023 at 4:16 pm

    Hello, Have you checked that the bypass capacitor is chosen to be 1nF? So that it has low ohmic capacitive reactance up to 6 GHz. RL between 10kohm and 1Mohm Best regards, Vikas

    Hello,

    Have you checked that the bypass capacitor is chosen to be 1nF?
    So that it has low ohmic capacitive reactance up to 6 GHz.
    RL between 10kohm and 1Mohm

    Best regards,

    Vikas

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vikas Nagpal
  • 0
vikas Nagpal
Asked: January 6, 2023In: Power Management

How to Test LED2000 Circuit Parameter Measurement?

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Hii, I’ve built a sample board of a 2A colorless LED driver applying the LED2000 move-down converter with a single LiIon battery as the power source. Everything seems to be solved as it should, but I would like to try the ...Read more

batterycircuitledLED2000liionpower
  • 1 Answer
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Answer
  1. nidhi singh
    Added an answer on January 7, 2023 at 10:24 am

    Hi, If you have a DC-coupled Current inquiry you can cover Inductor Current to check if it isn't working in the saturation region. Still, also you can check the switching pin with a voltage inquiry just to see a perfect waveform and measure the right switching frequency. Let me know. Nidhi Singh

    Hi,

    If you have a DC-coupled Current inquiry you can cover Inductor Current to check if it isn’t working in the saturation region. Still, also you can check the switching pin with a voltage inquiry just to see a perfect waveform and measure the right switching frequency.

    Let me know.

    Nidhi Singh

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Anonymous
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Anonymous
Asked: January 4, 2023In: Microcontroller

Renesas Flash Programming in RA2L1

  • 0

Hello, I’m presently working on a RA2L1 custom board and using the E2 emulator lite for debugging by e2 studio. I want to flash the device. still, I’m not finding any clear methodology documented for the same. It would be ...Read more

flashmcuProgrammingra2l1renesasRenesas Microcontroller
  • 1 Answer
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Answer
  1. vikas Nagpal
    Added an answer on January 5, 2023 at 11:27 am

    Hello, Thanks for sharing your question with Volt Engineering Community! Please take a look at Code written for downloading and debugging with E2 will most likely just hang when run without a debugger attached. 1. RFP is an option, or any development environment such as e2 studio or 3rd party toolsRead more

    Hello,

    Thanks for sharing your question with Volt Engineering Community!
    Please take a look at Code written for downloading and debugging with E2 will most likely just hang when run without a debugger attached.

    1. RFP is an option, or any development environment such as e2 studio or 3rd party tools can program the flash of the device.
    2. No special accommodations in the application code are necessary to enable flashing the device. Most designs will incorporate a custom charge-loader that uses a particular interface (UART, CAN, etc.) with a proprietary comm protocol, but this isn’t needed if the serial programming mode of the device can be set and a tool used that supports factory programming protocol.
    3. Renesas devices are optimized to execute code from the flash. Some designs that use comparatively slow flash technology can profit from RAM execution but that isn’t the case for RA devices.

    Kind Regards,
    Vikas Nagpal

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Anonymous
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Anonymous
Asked: December 30, 2022In: Wireless Connectivity

ESP32-U4WDH and VDD_SDIO power

  • 0

Hi, I got a question that seems not easily answered in the HW documentation. ESP32-U4WDH which has an internal flash, does VDD_SDIO power needs to be connected at all? If so, shall it be connected to 100nF or VCC which is ...Read more

espesp32flashU4WDHuartusb
  • 1 Answer
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Answer
  1. vikas Nagpal
    Added an answer on January 6, 2023 at 9:50 am

    Hello, To run internal flash in ESP32-U4WDH You'd need to connect it to a 100nF capacitor. Thank & Regards

    Hello,

    To run internal flash in ESP32–U4WDH You’d need to connect it to a 100nF capacitor.

    Thank & Regards

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    nidhi singh added an answer Hi Alex, The FSP and SSP releases are at a… January 25, 2023 at 11:19 am
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    Alex thomas added an answer Hello, By default, all GPIO pins start out at reset… January 21, 2023 at 10:31 am
  • nidhi singh
    nidhi singh added an answer Hi, out of my one experience in switch mode power… January 20, 2023 at 11:09 am
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    Alex thomas added an answer Hi, You can find the input voltage range in differential… January 18, 2023 at 11:50 am
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