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...
I could not find update info on this;
When I use mergehex to combine SD, app and bootloader, MCU just boots into DFU mode.
When I program SD, bootloader and app, MCU...
I have a nrf52832 running as a BTLE peripheral running up a couple of services including one custom with a characteristic i wish to be modified by the peer.
Data is being...
Now I'm using NRF52832 to communicate with other MCU(STM32) by UART.
STM32 will transmits about 40 bytes data to NRF52832 per 10ms.
Here is my configure referenced Nordic...
Are there any dependencies between the connection parameters configuration and pairing?
I am using nRF52840 and SDK 14.0.2 and ATT_MTU example. I am trying to add pairing...
I am trying to implement bonding with the Uart example in SDK 14. I have followed the instructions for how to use implement device manager and then migrating to peer manager...
Hello there, I need to specify the LDO that will power the nRF51824.
What would be the max current consumption for nRF51824 at 3.3V?
I saw a similar calculation for 51822...
Hello, this might be a stupid question but if I have a Bluetooth 5 module that is advertising and another module getting the RSSI-value without actually being connected to...
Looking for some advice on how to handle connectivity issues in damp/wet weather.
We've found that our NRF51 device works well indoors, but when placed outdoors overnight...
as I've been looking everywhere on the infocenter for a migration document from sdk 14.0 to 14.1 I was thinking that not finding it meant no changes needed. Of course that...
I am using nrfutil to generate ECC private keys and public keys. However on an apple device the keys ANSI X9.63 it is represented in X,Y, K parameters. How do i match the...
Hi everyone,
I'm trying to compile a ble_app_uart exemple using my own Makefile (The exemple compiles and works fine), but i got an error from the linker.
error: objects_application...
Hi,
two quick questions (nRF52832):
What is the value of t_LPCOMP,STARTUP (I didn't find it in the PS).
Can PSEL be modified while LPCOMP is running?...
Where in the official documentation can I find what the boot order/proedure is for the nRF52832?
For instance: This post gives a coarse overview which is great but I am...
Hello,
I want to achieve bidirectional data communication between one central and two peripherals. My two peripherals will have different services. Any my central device...
Hi,
I try to use sniffer (PCA10031 - V1.0.1_1111) between 1 NRF52 DK (PCA10040) with ble_app_blinky and 1 NRF52 DK (PCA10040) with ble_app_blinky_c.
After choose "Nordic_Blinky...