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'm currently running on nRF Connect SDK (hash: 4b012fb4882f0ddd3de9f339ebc5a3f1c3cacd4a). I'm running a connection between a nRF91+nRF52840 (as central running NUS_C) using...
I have an nRF52840 board that fails to connect to Linux over USB. The board powers on and the green LED at the lower left of the PCA10056 flashes on/off rather quickly. But...
There is a bug in fds.c file, Please go through the below code snippet.
I do not return from fds_gc(), execution stays there for infinite.
More information:
1) #define...
Nordic nRF52840, with regards to stored security keys in flash, some wear leveling schemes move data when being updated but do not erase data from the old location. This is...
Based on several posts I've found on the forum, the notification queue size is automatically set by the stack based on the connection event length (NRF_SDH_BLE_GAP_EVENT_LENGTH...
Hello, I have developed a program that reads (with I2C) a temperature sensor and sends it to the central board. The central board is a NRF52480-DK. I have tested the peripheral...
Dear Sir.
I was testing dfu mode with an nrf52840 dk and held down the IF BOOT/RESET button, then powered up and waited a few seconds before it went into bootloader mode...
Hi,
I'm evaluating the NRF52832 for an ultra low power BLE application where I'm going to use GATT. I've built some prototypes with the NRF52832 and right now I have to...
Our engineers have two questions that they are confused with:
1) When applaying ble techniques, does nodic 52 serious of chip compatible with SIG mesh?
2) When applaying...
Hi there,
we are working on getting type approval certification, and the test lab is asking for fixed frequency software, drivers and SOP.
What we need is the fixed frequency...
Hi,
The actual problem: I want to store some stuff to flash at factory, that is never erased. And I also need another persistent memory that can be written in runtime. I...
Hello I am now trying to implement an active NFC Tag using nRF52832. But I don't know what that example project is. Can you point to a command or example source that performs...
Hi,
nrf-sdk: 1.3
Firmware: 1.2.1
Using offloaded sockets(secrets at the modem side)
My use-case is this: Provision PSK and identity to device at the factory for DTLS...
Hello,
do you have any method, example or other documentation to recommend to me in view of implementing the storage into non-volatile data with our thingy91 ?
we use...
