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How to Overcome Loss of 3.3V Load Regulation?
It will not. Note that the 3.3 V LDO doesn't" regulate" its input voltage. The drop you see on the 5V side is the result of the ESP drawing more current during TX and the 5V supply/ rail failing to a) give that amount of current while maintaining 5V, or b) react to the change in current quickly enouRead more
It will not. Note that the 3.3 V LDO doesn’t” regulate” its input voltage. The drop you see on the 5V side is the result of the ESP drawing more current during TX and the 5V supply/ rail failing to a) give that amount of current while maintaining 5V, or b) react to the change in current quickly enough. There is nothing the LDO can do to change the current the load draws from the force.
So some options are
See lessa) beef up the power supply
b) (further) reduce the impedance of the power supply (i.e. further caps), and make sure supply and ground/ return lines and connections have low resistance
c) consider decoupling only the sensitive circuitry (ADC,.) from the 5V supply, which may be easier to achieve (less current) than stabilizing the whole 5V rail.
RA6M3 SPI_Transmit NMI_HANDLER?
Hello, What's the value of the NMISR register when the NMI handler is called? The value of the register gives some data about the cause of the NMI interrupt. Also at what point inside the 'spi_transmit' does the NMI occur? Regards Alex Thomas
Hello,
What’s the value of the NMISR register when the NMI handler is called?
The value of the register gives some data about the cause of the NMI interrupt.
Also at what point inside the ‘spi_transmit‘ does the NMI occur?
Regards
Alex Thomas
See lessLSM6DSOX INT1/ INT2 both are Interrupt?
Hi,@Julian White (Customer), Unfortunately, it isn't possible to do this inside LSM6DSOX, so I suggest you separate the interrupts in your microcontroller. If my reply answered your question please click on Select as Best at the bottom of this post, This will help other users with the same issue toRead more
Hi,Julian White (Customer),
Unfortunately, it isn’t possible to do this inside LSM6DSOX, so I suggest you separate the interrupts in your microcontroller.
If my reply answered your question please click on Select as Best at the bottom of this post, This will help other users with the same issue to find the answer quickly. 🙂
Thank You
Alex Thomas
See lessUploading an ESP- 32 cam picture to HardDisk?
Hello Julian, The Arduino forum has a post that will do what you want, basically, take a picture and FTP it. Thank You
Hello Julian,
How to Resolved Inclusion in Modus Toolbox?
Hi Nidhi, I've just set up a result for this problem and I wanted to share it with you (if you or anyone differently have the same problem). On the top menu bar, go to Project-> Properties A properties window will show. On the left side menu, go to Project References. On the box to the right, conRead more
Hi Nidhi,
I’ve just set up a result for this problem and I wanted to share it with you (if you or anyone differently have the same problem).
On the top menu bar, go to Project-> Properties
A properties window will show. On the left side menu, go to Project References.
On the box to the right, confirm if other systems are listed and check the ones that might be related to yours.
Press Apply and Close buttons.
Thank you
Regards,
See lessAlex Thomas
TLE987X Emulated EEPROM?
Hi @nidhi, As the sample code is for TLE9879QXA40 and you're applying TLE9872QTW40 so please make the following changes- Please go to Options for Target in Keil also- 1) Go to the Device menu and add your device TLE9872QTW40 also uncheck the BF stepping to make the code compatible with your device.Read more
Hi nidhi singh,
As the sample code is for TLE9879QXA40 and you’re applying TLE9872QTW40 so please make the following changes-
Please go to Options for Target in Keil also-
1) Go to the Device menu and add your device TLE9872QTW40 also uncheck the BF stepping to make the code compatible with your device.
Go to Debug menu-> Settings-> Flash Download and confirm if TLE9872QTW40 with 252k size is selected.
2) Now open the config wizard, go to PMU-> Power Saving Modes, select Sleep mode, and save it.
3) Rebuild your project and check page 0 with address 0x1103F000.
Best Regards
See lessAlex Thomas
How RASC- Adding FPU for RA2E1?
Hi Nidhi, Thanks for posting your question online. In setup to perform floating point operations with library calls, you should add-mfloat-abi = soft. Please refer to-mfloat-abi = name on https//gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc/ARM-Options.html In setup to apply functions printf and scanf functiRead more
Hi Nidhi,
Thanks for posting your question online.
In setup to perform floating point operations with library calls, you should add-mfloat-abi = soft. Please refer to-mfloat-abi = name on https//gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc/ARM-Options.html
In setup to apply functions printf and scanf functions, you should add these 2 linker options
Hope it helps
Regards
Alex Thomas
See lessWhy ESP-32 Can Still Work after the Capacitor of the Crystal Oscillator?
Hello, Yeah, do not do that, it runs the ESP out of specs and we can not guarantee anything wrt how it works in that case. For an explanation, I am just guessing then, but the CPU runs off the internal PLL. While that PLL uses the Xtal as a reference, it has its own VCO that gets tuned to run in synRead more
Hello, Yeah, do not do that, it runs the ESP out of specs and we can not guarantee anything wrt how it works in that case. For an explanation, I am just guessing then, but the CPU runs off the internal PLL. While that PLL uses the Xtal as a reference, it has its own VCO that gets tuned to run in sync with the xtal frequency. Could be that shorting the xtal makes the VCO still run, but not veritably stably, and at the lowest frequency it happens to be suitable to reach, and that is what you see.
Thank You
See lessCan LED2472G be applied as a shift register to drive signal relays?
Welcome, to the community! Well, LED2472G is a move register, but it can simply be used as similar to a limited extent the individual outputs (bits) are actually constant-current LED drivers, so they aren't actually able for sense purposes. But of course, you can control the loads connected to the iRead more
Welcome, to the community!
Well, LED2472G is a move register, but it can simply be used as similar to a limited extent the individual outputs (bits) are actually constant-current LED drivers, so they aren’t actually able for sense purposes. But of course, you can control the loads connected to the individual outputs logically in the same way as a shift register. Only the serial output is directly similar to a classic shift register.
Still, one could imagine using LED2472G to drive 30mA relays, indeed if this doesn’t correspond to the original purpose. But you mustn’t forget the usual free-wheeling diodes, which due to the unspecified avalanche energy should better be Schottky diodes because only they’re fast enough. Evenultra-fast diodes with a blocking time of 10.20 ns are probably too slow not to damage the respective LED driver- at least nothing guarantees that.
Does it answer your question?
Regards
Alex
See lessPSoC6 Port 6 GPIO shows a pulse at power up/ programming?
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
See less