My sensor is off-standard,so I have to use gpio to read and write my sensor.
Gpio IIC will take about 0.5ms to get data.
My app need send data every 7.5ms,it seems that...
Hi,
My android Proximity application fails on service discovery only for the very first time it connects with the devices(nrf51822 evaluation kit with sdk 5.2.0). Actually...
Has anyone converted the app note AN34 DTM Python script to C# or C/C++ ?
The Python DTM script is works OK with the setup specified in the app note AN34 figure 2, which...
Hi,
I have a serious problem, when I use uart of NRF51822 QFAAC0 to receive data from another MCU, I found that it will lost one bit at same position everytime. my SDK is...
Hi,
I just started to interface the lcd display with nrf51822 evaluation board. The display i'm using is, spi compatible, 18" tft (160x130) from tiny lcd. I took spi master...
Hi,
We are using the nRF905 device in an application where it needs to switch between auto-retransmitting and sending single packets, due to it communicating with several...
Hello everbody,
I readed alot about the nrf52480 "how to flash softdevice and the other stuff", but i cannot get the ble_app_gls working out of the scratch.
I have the...
Hello everyone, I am trying to implement audio processings algorithms with my nrf52DK.
What i need to do in order : 1- Sample my audio signal ( It will be guitar sound ...
I need to use a nRF52 chip to handle interrupts with low (and known) latency. Basically, there are specific ~100 us long intervals during which I need interrupt latency to...
I am trying to setup a VM (Ubuntu 19.04) that has the complete setup for NRF91 development. I have been following the instructions in the nrfConnect 3.2.0 - getting Started...
Hello Devs,
I am using app_timer to create multiple timers to read different sensors
Currently, I have 5 timers created using app_timer_create, each timer has their own...
I use nRF Connect for Desktop to download hex file(nrf52810).
Use the following example：
nRF5_SDK_15.3.0_59ac345\examples\dfu\secure_bootloader\pca10040e_ble + nRF5_SDK_15...
Hi,
How do i turn off the nrf power management library? Is there any function like nrf_pwr_mgmt_uninit()?
The reason i want to turn it off is because it causes the usbd_msc...
I have a requirement for BLE and 802.15.4 stacks in a multiprotocol environment. I have looked at the sample at NordicSemiconductor/nRF-IEEE-802.15.4-radio-driver on github...
I am trying to initialize the RTC and trigger an interrupt every 10 seconds, and I am unsure of why the code above is not working. I followed a similar method to initialize...
Hi,
I'm working with the nrf52840 and spi mngr to talk to a SPI flash memory (AT25SF081). I use nrf_spi_mngr_perform to send a command to read the manufacturer ID
...
Hello,
I am having some trouble attempting to advertise a single custom 128bit uuid. I have two custom services sharing the same base uuid. Everything works correctly after...
I am trying to add major minor values in the ble_app_hrs example in SDK_15.3.0. I am getting an error code of 12 which is invalid data size at:
err_code = ble_advdata_encode...
Hello,
I am using SDK version15.20,pca10056,s140.
In my application I am using Bluetooth to send the data values at the rate of 750 samples per second. By sending 3 set...
Hello,
When performing serial communication using UARTE in the environment of SDK 15.3.0, SoftDevice 6.1.1, In rare cases, abnormal data is received. I don't know the cause...
