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...
Hello!
How can I communicate with my nRF24L01+ and nRF51822 at the same time. I can set up same channel, CRC-mode and I don't use ESB. But what about address? How do I set...
The function documentation for pm_conn_handle_get says BLE_ERROR_INVALID_CONN_HANDLE is set to the connection handle pointer if the peer is not connected, however it is BLE_CONN_HANDLE_INVALID...
Hi,
I programmed nrf52840 dongle with simple ble_blinky example. The dongle successfully bond with my phone but when I tried to discover services and read characteristics...
Hi
I am working on nRF52832 DK and using Ubuntu 16.04 and Segger Embedded Studio as IDE. When I try to build the AES_CTR program, the following error comes up.
Can anyone...
Hi I have run a few peripheral examples ok and now move to evaluation of ble_peripheral also.
I'm using this version of the SDK....
If I program the softdevice and...
Hi
I am using Segger Embedded Studion on Linux 16.04 operating system. I have programmed softdevice, i.e, I have provided SRAM and FLASH START VALUES and other things. How...
Here is a list of problems I found. Please fix them.
nRF SDK 15.3
Examples: logging does not work in examples. I think the problem is related to this issue .
Documentation...
Hi there,
On my application, I have multiple sensors attached to the nRF52 and I read them every 5 seconds scheduling the read inside a timer handler, then when the Softdevice...
Hi Nordic Forum!
In the past, I set connection interval min to max is 20ms~75ms, it work ok for IOS。But on Android platform, Android use 75ms as actual connection interval...
Usually if i am making C Program then i just include the library and get on to the code using documentation. this is same case when i am using STM32 , Samd and esp32
but...
Hi
For a project I want to send acceleration data via BLE 4.2 (with DLE). An acceleration packet consists of 81 values (24 bits each, total 243 bytes). My goal is to send...
Good day
I converted a Central UART example. I thought I would experiment with the "sd_ble_gap_tx_power_set()" function to see how it works.
When I include the following...
nRF5 SDK v15.2.0, nRF52840
This issue occurs on reset, most often after cycling power.
There are 4 pages reserved and 4 data pages are found. Since a swap page isn't found...
Hello. my name is Alan. I'm a newbie about BLE bonding.
because our new project needs a bonding feature, I referred to the Heartrate example(ble_app_hrs) to apply bonding...
Hi,
My current project make use of pairing/bonding and at certain times I change the attribute table. To notify the central device about this change I have added the Service...
