Hello,
I'm using the nrf51422 with 210 softdevice.
I'm trying to figure out a way for the receiving slave device to go to sleep when away from the master, but to wake...
To be able to upgrade FW through UART, a bootloader for nrf51822 is required in my project. I have tried out the example bootloader in SDK. But this example is using softdevice...
I followed the forum posts and nan-29 to get eclipse 4.3.2 to successfully connect to JLinkGDBServer via a Segger J-Link EDU on Ubuntu Linux.
I can start the GDB server...
I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
I am working on the proj that needed 2 MCU and nrf51822 work as slave.
I would like to know any ref on how to firmware upgrade on board without external tool?
We're looking for a Nordic nRF51822 based low profile/small USB dongle that we can use for our iBeacon software.
It would need to come complete with casing and the ability...
Hi all,
i want to establish connection between two threads in cmsis-rtos, can i use
1) semaphore to do this?
2)message queue should be used or any other ipcs can be...
Hello, Thank you for helping me to interface the PCF85176 (40 x 4 universal LCD driver for low multiplex rates) with Nordic nRF52 development kit board. I need to write the...
i have a few question, i bought this " www.skylabmodule.com/.../".
if the device has a sample code loaded?
where are the example codes for the device?
i want connect...
Hi everyone,
I recently acquired a nRF52832 Breakout Board from Sparkfun. I have been using it for a few weeks now and everything was fine. I was programming it using the...
I use DFU function to update APP. and when i execute the flash write operatin in APP,then afer the dfu operation,bootloader can not jump to the APP. it keeps in bootloadr...
I am using nrf52832, SDK14 and sd 132.5.0. I want to disable SAADC after measuring battery level then enable again when I want to measure it again like in this post . When...
Hi, I want to know how to properly indicate for the function
spi_send_recv(...)
that I'm sending or receiving data on SPI.
On other platforms with library function...
I'm using the SPI driver and experiencing a hang in the SPI driver because the SPI interrupt is not raised. The reason is in this code from the driver:
p_cb->bytes_transferred...
Hi,
my device does some UART communication. Because temperature drift of HFINT is to large, the external HFXO has to be used. To make things worse, this is a low power...
hello,
I modified the beacon example that allows me to modify major and minor value from mobile app,
but when i restart the nrf52840 dev board, the modified values are reset...
Hi,
I need to get at least 3 sensors data (Accelerometer and Gyro) simultaneously and I am thinking to use the Nordic Thingy:52 for that. Our application sends these information...
Hello Nordic Devzone,
I have problems with twi/i2c init code on a Micro:bit, nrf51822.
The accelerometer is a Freescale MMA8652FC.
I use Segger Embedded Studio for ARM...
Hi there,
We started to notice that we have been getting random disconnects with the reason BLE_HCI_CONNECTION_TIMEOUT. After profiling our device, it was found on one...
Hello everybody,
I try to use fstorage in SDK 14.2.0 S132 with Segger Embedded Studio IDE.
I write this;
static ret_code_t fds_init (void)
{
ret_code_t ret = fds_register...
I have been using the RF Digital Simblee chip ( also with the NRF51822) with my Android app and Java code to communicate with the Simblee chip as a peripheral.
I have been...
hi nordic;
i need your help, i'm trying to code a control of gpio over the BLE i have an app on android with it i can establish connection and see the service and charactrestic...
