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 developed a software based on Blinky. I have been trying to add DFU to the current iOS app which is working properly to be like the Android app.
As I did in Android, the...
Hi, I would like to skip pairing process alltogether and just provide the KEys which were generated for both devices beforehand. My question is only. Is it possible to initate...
I have an application that will have up to 20 devices communicating with a gateway. Each device will need to send around 2MB of data every 5 minutes. We would like to use...
Hello.
I try to BLE and GPIOTE.
The reason for using GPIOTE is to read data from the temperature sensor.
And I want to sending data of temperature sensor by BLE...
Which type of PCB antenna should i use for BLE beacons based on nRF52832, nRF52840 and nRF52805 for longer range applications.?
Can i use the same antenna used in nRF52DK...
Hi All,
There are few chips that Nordic supports Direction Finding.
nRF5340,
nRF52833
nRF52820
nRF52811
Is it possible to know the recommended chip I should...
hi all,
NRF_ERROR_INVALID_STATE is coming when i initialise Ble_stak_init form nrf_sdh_enable_request() function.
I initalised ble once and disabled using sd_softdevice_disable...
Hello,
I am developing on the Garmin LIDAR-Lite v4 , which uses an nRF52840 internally with the programming pins exposed. I am able to run my OpenThread application on this...
Hi
while developing I've discovered that the current tickless implementation using RTC causes the idle task to loop for one tick before waking the next task up.
I've instrumented...
Platform: nRF52840 { development kit } SDK: nRF5_SDK_16.0.0 Can sdk_config be used to remap any pins for used a SCK and MOSI and MISO? Specifically, can the following mapping...
Hi all,
I'm running into this error when trying to compile anything for the SPI library in Cmake
CMake Error at ../../../cmake/extensions.cmake:372 (add_library):...
SDK v16.0 NRF52832
Hi
We have been using the the NRF Bootloader for sometime, but we have encountered an issue where if the DFU (Serial) is interrupted (ie, USB cable...
Hi,
I've been using the Thingy:91 to communicate with some sensors. One of this sensors is causing us some trouble: sometimes the I2C communication with him seems to fail...
Hello
I would like to commission my Thread network but my Thread network is isolated (I have no wifi) but I have bluetooth which works in parallel to the Thread network...
