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...
Dear Nordic,
I am running into an interesting side effect when I disable the app scheduler library from my program. I have been previously using the app scheduler to service...
Hi,
1/ Is it mandatory for Direction Finding process to have all streaming advertising messages from beacon to locator connectable ?
2/ Is it possible/easy to manage live...
Hi,
I have an application and I want to send the output of the application via CoAP LTE connection. My plan is to modify the nrf-sdk CoAP Client sample to achieve this...
We are trying to use mcumgr/mcuboot with Zephyr on nRF53. During development, we have enabled the Zephyr shell functionality and would like to use mcumgr with it (CONFIG_MCUMGR_SMP_SHELL...
Hello!
I've got a problem when performing a DFU OTA. I first flash my software(#1) with bootloader in de nrf53840DK. When i make changes to the software i use app_update...
Good day, I have seen a few people asking about connecting the Nordic devices with the RFM95/Sx1276 modules. I understand that it is SPI driven, but I am a complete novice...
Hi,
I'm using nrf52840 to connect a mobile device via BLE.
I've noticed that when a lot of messages are sent, a disconnection occurs with reason code of NRF_ERROR_RESOURCES...
Hi there!
I'm currently facing an issue where the client will stop transmitting messages after six hours and twenty-five minutes. This is the case after 255 messages have...
Hi everybody.
I'm margin two different projects:
examples\peripheral\usbd_hid_generic
with
examples\ble_peripheral\ble_app_hids_keyboard
but, using the make file...
Hi,
I am using a custom board that uses Arm Cortex-A7 and embedding an nRF52840, There is no external low-frequency crystal 32kHz connected to the nrf52 chip, so I've enabled...
Hi ,
I'm trying to use http_application_update , on an https website, and i get:
I: Attempting to connect over IPv4 I: Setting up TLS credentials E: Unable to connect...
Hi,
I want to transmit data on each button ( lets say 4 buttons for now ) press on my custom board. I have used ble_app_beacon example and tutorial https://devzone.nordicsemi...
Hello
I have uploaded USB CDC ACM example code in my custom board of nRF52840. I didn't get Vcc on D+ pin and cannot detect USB. I have also check soldering side and resistance...
I have an si7055 i2c temperature sensor connected to an nRF52840
I've tried my best to get a reading, but failed.
Therefore given up.
I'd be grateful for some help to...
