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...
Hi,
I have two CPU in our product. (STM32F2 and Nordic nrf51422).
I use serialization function to link those two CPU(refer to ble_s110_serialization sample)
But I find...
Hi,
My behavior is as follows
Turn on my device(use 51422) and advertising(2 Service and 3 Characteristic)
Turn on my cell phone(Samsung Note3),scan my device...
Hello:
I used analog IIC write MPU6050. Again after power download programs, mpu6050 can run up there ACK response. But the debug will not run. Simulation IIC because no...
Hii,
We are using currently nRF SDK12 and nrfutil for performing DFU over ble. we are able to do it by pressing button on nrf51822 Dk kit at time of restart and putting...
Hi All:
I had a problem about programming.Does someone can help me? Thanks.
My IDE is IAR :ARM 8.22.2
Projcet: nRF5_SDK_12.3.0_d7731ad\examples\ble_peripheral\ble_app_uart...
Hi,
we are currently using nrf51822AC device and nrf SDK12 . we need to do "switching to bootloader without a system reset nrf51822" as mention in subject . actually we...
Hello, I want to send beacons from one nRF51822 device to another. My project involves using omnidirectional antennas. So, will nRF51822 be the right choice for me?
I was...
SDK 15, nRF52840, PCA10056
When I read my data in the flash I recover the before last value writen and not the last.
I'm using the es_flash.c source code from eddyston...
Hello, I want to acquire my mobile's gps sensor's information using nrf52832 dk. Can anyone please guide me how to do this ? I use keil mdk-arm5 compiler and sdk v15.
Hi
I work for a 7 channels ANT+ receiver. Nordic 52832 SDK12.2.0 S332v2.0.1
The following scenario can been observed and cause high current consumption for a long time...
Hi to all,
i am developing a device that in it i need to measure voltage of battery to report percentage of battery to user, but the voltage that i measure with ADC is different...
Hi,
after migrating from SDK12.2 to SDK14.2 we encountered a problem with GAP Security.
When setting optimization to -Os, the program fails with BLE_GAP_EVT_AUTH_STATUS...
Hi all,
I am trying to use uart-app (segger example in SDK15) to generate hex file, which will be programed to nRF52832 later with Softdevice by nRFGo Studio. ((Instead...
Hi,
we are using the NRF52840 DK and we would like to use our own antenna. We saw on others posts that we have to connect it to the J1 connector's place.
We have some...
Based on the Product Specification v1.0, the antenna load impedance should be 15Ω+j88Ω.
I checked the antenna impedance based on Figure 32.
The simulation result is...
During the development of nrf52832 (SDK14.2), I occasionally get NRF_FAULT_ID_SD_ASSERT error. When the NRF_FAULT_ID_SD_ASSERT error occurs, I can only get the information...
Hi Nordic,
I am working on a BLE based application. In my application, I am forced to use SPI and TWI of same instance.
I am using SPI1 and TWI1. Earlier I was working...
I'm adding key protection to DFU, a batch script is creating the bootloader_config_default.json. I'm using mesh SDK 2.0.1, but started developing using Mesh SDK 2.0.0. When...
