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hello there
I am interfacing master nrf51 dk with nxp's slave lpc11u24
(1) my main...
It is good practice to prefix the includes from one's C libraries with a directory so that they are all part of the same 'include namespace'. Unfortunately the Nordic SDK...
Hi, is there an available developer in my tri-state area of Minnesota, N. Dakota, or S. Dakota? Please call me if you are available for a project for hire. The developer should...
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...
Hello,
on my custom board I am trying to use pin P0.09 and P0.010 for interrupt-purposes. So I integrated the necessary adjustments as mentioned in this topic here , which...
Hi,
I develop application using BLE.
In my scenario two NRF52832 operate in two different roles (Client and Server).
I have ready to run app (as server) and can communicate...
Hi,
When I call nrf_drv_spi_transfer to transfer 250 bytes in non-blocking mode, it takes 1.1ms. Is this normal? Any workaround? If it is normal then I have to split my...
My android app give me this "register with gatt stack failed" error on Samsung S7 marshmallow. The scenario is that I am working with 21 BLE peripherals (nrf52). I scan available...
hello dear Engineers!
I Prepare PCB to produce, so have some question about QSPI pins.
According to the "52.10 Registers" , it is possible to Assign any pins to QSPI...
Hey, I have my nrf 52 dk. I have soft device v3 on my nrf 52.
I was doing a blinky test with two boards (one central and one peripheral)
I was just wondering how to...
I have two sensor: Si7021 and CCS811 connect to board (nRF51 DK).
Si7021 work fine.
CCS811 always return NRF_DRV_TWI_EVT_ADDRESS_NACK error.
Anyone can give me a help?
Hi,
I'm trying to setup NRF52 with a microphone (ICS-43432) using I2S and easyDMA. I'm new to embedded software development, and would very much appreciate your help and...
Hi,
I am really new to the Nordic products and programming for that matters. But, the thing is that I am in somewhat of a hurry. I would like to use a similar code to below...
Hi all. I am sending to BLE device AE A7 04 00 05 09 BC B7 command, getting status 0 ( success ), but do not get any updates or notifications from BLE at all. So am I doing...
I've compiled the secured DFU bootloader (from SDK 12.2) and loaded it on my board. But whenever I run my firmware, it won't start (none of the expected interaction happens...
Hi there,
As the title says, i'm tring to add nus service to the freertos example (board PCA10040, SD 132, SDK 12). Actually, I want to mix it with the peripherical app_uart...
We started with normal Pstorage functions and add now some pstorage RAW functions.
Could anybody explain the resulting and needed linker script definitions flash allocation...
Hi!
This is my first time working with bluetooth and Nordic chip and I'm having program getting started.
I'm trying to program the Sparkfun nRF52832 Breakout Board as...
1.application downloading
we need to download the appliacation to the address which is designated. However, the NRFgo Studio offered offically can't designate the address...
