I'm trying to design a very low power sensor that takes readings using ADC and SPI 200 times a second. I'm a bit worried by the current EasyDMA uses (1.1mA). As far as I can...
Hi, I am working on a project where I want to make one nrf51288 chip as central hub and connect that to a android phone and other salve nrf51288 .
idea similar to this: ...
Hi,
I have a code programming the nRF51422 development board to write to a Sharp Memory 96x96 pixel LCD screen using SPI.
Currently the code writes two numbers and a...
I've modified the ble_app_uart example by adding GPIOTE so that the transmitter sends a character to the receiver when a GPIO pin is toggled. This part is working well.
...
Hi,
I am working on my hardware product having nRF-51422 chipset. I just came to know from forum post that
nRF-52 chips will get arduino IDE support as standalone. I want...
Hi!
I've been using PCA10028 for a long time and I had some bricking issues but I've managed to un-brick it with "nrfjprog --recover" and everything would work again. ...
I want to build nrftoolbox app in android studio. I downloaded the zip file from the github website and also the required dfu library. I unzipped both the files in a folder...
Hi,
Application: turning on/off a LED by toggling a GPIO pin using a timer and PPI. Important: the on-time of the LED must be very precise, i.e. the jitter must be minimal...
Dear Sir/Madam,
I have a sensor prototype board using nRF51822 for Bluetooth communication and I am now working on its firmware. I have installed MDK version 5.16 and...
Dear sir,
Sir i am using MDBT42V module. I want to know that whether the SCL & SDA pine are internally pulled high in this module ?
Regards,
Manoj Hiwarkar
Hi,
I have a problem where I am getting NRF_ERROR_RESOURCES errors 2 out of 3 times when sending notifications from my peripheral to my central. I think this is caused because...
I have designed a custom board with a TF325J32K7680 32KHz clock with +-50ppm tolerance, for the 32MHz I am using the CX2016DB32000D0WZRC1 with +-40ppm tolerance.
Simple...
Hi,
Within each example in the NRF5 SDK there are a number of folders including
arm4
arm5_no_packs
armgcc
config
iar
I'm having trouble finding an explanation...
Hello everybody,
I used SDK14.2.0 , S132 .
I keep the data from nus_data in the uint8_t array. Then I am trying to write the array with use fds_write.
My fds_write...
Hi, I would like to add source files to Projects with a reltive path. The reason being that I would like to have my own code in a cloud based directory and code from SDK in...
Dear friend,
To u se the Power Monitor for current profile measurement of nRF52832, I prepare the board by doing both of the steps described below:
(1) Short solder bridge...
Hi There,
I currently using PCA10040 development kit for my project. I tried to merge with \nRF5_SDK_14.2.0_17b948a\examples\ble_peripheral\ble_app_blinky\pca10040\s132...
Hi
We have a product with Nordic nRF9E5 coupled to Texas CC1190 amplifier.
We are seeing transients at start and end of TX; worst at end. We appear to be non-compliant...
Hello, we are using SDK 5.2.0, SoftDevice 6.2.1 S110 on the peripheral side and S130 on the central side.
We have implemented a serial data link between the two, the central...
I have made a custom PCB with the nRF52832, following the circuit reference, I used the C3 and L1 for tunning the antenna. Instead of a chip antenna I placed a wire in the...
The NRF_LOG library apparently uses memobj, which uses balloc. I assume that means I need to add some blocks in my sdk_config (i.e., MEMORY_MANAGER_SMALL_BLOCK_COUNT, etc...
Hello Guys,
I have some measurements for the determination of the maximum range and the energy consumption. The experiment is based on the ATT_MTU throughput example, nRF5_SDK_14...
