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,
I am facing issues in Flash Data Storage (FDS).
Here, nrf_fstorage_write function is returns with NRF_SUCCESS but not writing in actual memory location. While nrf_fstorage_is_busy...
Hi. I am now at the stage of creating a new project. I want to include DFU over the air support in it. So, how can I do this using the example of two projects (secure_bootloader_ble_s132_pca10040...
How do you use the nrfx_temp driver in a project? I'm on SDK 17.0.2, segger, and an NRF52840-DK board. I see the old HAL temp sensor is deprecated and it seems to always return...
Hi,
I have been using a certain 16MHz oscillator up until now without any issues, and now wish to replace it for logistical reasons, what kind of testing are recommended...
I'm designing a product which incorporates a magnetic sensor (MMC5633) and a Bluetooth microcontroller (NRF52832). The sensor and bluetooth chip share the same ground plane...
hi,
We have some products that have been sold out(hardware:52832,software:sdk13,softdevice:s132_4.0.3).I want to upgrade their sdk to 15.3 through DFU.I learned in the official...
Hello,
I'm trying to modify the current ASSET_TRACKER of SDK v1.4.1 to get it to work in my own server on AWS-IoT.
I'm wondering if there is any documentation about this...
use SDK17.
central uses nRF52832 and peripheral uses nRF52810.
I want to implement the exchange of data with each other.
First, the central scanned and connected.
...
While using NRF52840 SDK with twi_scanner i am able to see i2c address 0x68, but while using zephyr unable to get the data.
I have seen I can configure i2c pins in board...
As I'm new to the BLE, I'm trying to make use of examples enclosed in the nRF5 SDK.
Now, I found that there exist several functions that seem like do similar things and...
1.4.8 programmer is complaining 'Error while getting readback protection' when connecting to the BL651, 453-00005.
Used to work.
Seems to connect OK to BL652-SA-01.
Hi,
We have a product using NRF52840 ready for production. In factory production environment we want to validate the product for PCB, product assembly etc failures and also...
Hi,
I am going to implement a PPI to connect GPIOTE event in with TIMER COUNT TASK, and then read the count from CC[0]. But the count in CC[0] never updated.
Basically...
Can I get suggestions on how to implement the following topology with respect to provisioning:
There are a series of lights and each of them is connected to a central...
I want to write a data stream coming over UART into flash memory of the nrf52840 & echo it back after writing it to flash .
Please suggest from where i can start ?
Thanks...