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...
Hi guys.
I'm trying to merge two projects ble_app_beacon and nrf_crypto_aes_cbc_with_padding.
I used nrf_crypto_aes_cbc_with_padding as base, copied it to another folder...
hi
i want to develop a keyboard that can communicate whith pc by ble and 2.4g . now,the 2.4g's communicate between nrf52840 and nrf24lu1p is achieved by project gzp_desktop_emulator...
I am based in Hong Kong. I purchased NB-IoT sim card with "Three".
When using LTE Link Monitor, (with at_client) I can connect to the NB_IoT network, as Three support told...
Hi! I would like to power the DK through a external power bank. This leads to led5 blinking rapidly for a while and then turning off. I assume this is because of the debugger...
Hi Team,
We are trying to compile the code with my changes, that changes are normal changes only.
But we are getting below errors in "nrf52840.h" . But we didn't do...
I have a nrf51-DK, SDK 9.0, S110, dual-bank bootloader that supports both serial and ble protocols, developed using GCC/Eclipse. I'm able to flash my app/bootloader/softdevice...
We are building a sollution using nRF52832. Using the UART over BLE application example as a base we managed to add DFU capabilities to the application etc.
Right now I...
Dear NRF community and support This is a followup question to the DevZone post https://devzone.nordicsemi.com/f/nordic-q-a/2860/flashing-bootloader-and-application-via-j-link...
From everything I know and understand of the system architecture, this shouldn't be possible, but one of our early production units out in the fields has twice now apparently...
I'm designing a two-part computer input device: Part A will communicate with the computer over BLE, but it must also be able to forward along messages from Part B. Here's...
Hi,
I am trying to update the MTU between the central and peripheral to the maximum MTU.
at the connection interrupt from the central side I added
but I got error...
For nRF52832 I see in the datasheet:
I OFF_RAMOFF_GPIO System OFF, No RAM retention, Wake on GPIO,
While for nRF52840 only “System OFF, no RAM retention, wake on reset...
I have an iOS App which is just designed for updating our device firmware OTA. It uses the Nordic DFU library, updated to the latest cocoapod. It connects to our device, and...
Hi,
I use OpenWRT and nRF52832 to develop a BLE gateway, the nRF52832 connected to OenWRT through UART. Now,we need the uart serial DFU of nRF52832, and I found that nrfutil...
