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...
I've recently been playing around with Bluetooth Developer Studio, and I can see it's potential despite it having a few annoying bugs.
I've set up a custom service by re...
Where would be a good place to feed a watchdog when using a softdevice?
My first guess was in main loop:
for (;;) {
NRF_WDT->RR[RR_number] = 0x6E524635;
power_manage...
Hi,
When a watch dog timeout occurs, I want to save some data to the flash memory prior to reset (namely the RTC count value). Therefore I enabled the wdt interrupt. The...
Im using nrf51, I configured the watchdog to reset after 3 seconds of hang and it works. But I have absolutely to save some data in flash before reset
Is there anyway to...
My custom profile was being built fine until I added a couple of standard descriptors to a custom service characteristic. Any idea what's going on here?
19:34 - [Code Generator...
Hello All,
I want to develop bluetooth mesh using NRF51.
I have question about this:
Is their library closed or not?
Do we need smartphone like in CSR?
...
Hi, I have a TinyShield Nordic module and I am having some troubles trying to customize the advertising packet. I have downloaded NRFGO Studio and I have enabled service data...
I have an nRF 52 dev kit, an Asus router running openWRT, and an android phone with the master control panel.
I'm able to compile and flash the dev kit with the example...
hello,
I am using the nrf51822, I want to add a normal service which do not need bond before used at the ancs example.I hope it can do the follow tow points,firstly,if the...
Hi,
I tried to figure out what is happening on the lower Bluetooth levels but it is very difficult to find straightforward information. Especially the Bluetooth (4.2) standard...
Hi, My apologies that this seems repeat information from previous posts, however they do not give a clear answer to my question regarding 4.2 compliance. I must also state...
Hi,
I want to count the time in seconds for which I press the button and stop the counter when the button is released. How should I detect the long press of button and...
Hello,
I need to use storage component with wear-leveling (i need to save some data persitant quite often). I decided to use Flash Data Storage (FDS).
I found fix for linker...
Hi.
I have nRF51422 borad and want to flash to nRF51422 with JLink.
I supplied to 3.3V power to board and is connedted SWDIO to p23, SWDCLK to p24. JLink is connected...
nrf51822-QFAA has 16KB SRAM,when run with SoftDevice S110 v9.0.0,
the memory areas is below:
why the size is 0x2000(8K)?
when change size to 0x4000(16K), the app can...