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...
Hello Devs,
I am using app_timer to create multiple timers to read different sensors
Currently, I have 5 timers created using app_timer_create, each timer has their own...
I use nRF Connect for Desktop to download hex file(nrf52810).
Use the following example：
nRF5_SDK_15.3.0_59ac345\examples\dfu\secure_bootloader\pca10040e_ble + nRF5_SDK_15...
Hi,
How do i turn off the nrf power management library? Is there any function like nrf_pwr_mgmt_uninit()?
The reason i want to turn it off is because it causes the usbd_msc...
I have a requirement for BLE and 802.15.4 stacks in a multiprotocol environment. I have looked at the sample at NordicSemiconductor/nRF-IEEE-802.15.4-radio-driver on github...
I am trying to initialize the RTC and trigger an interrupt every 10 seconds, and I am unsure of why the code above is not working. I followed a similar method to initialize...
Hi,
I'm working with the nrf52840 and spi mngr to talk to a SPI flash memory (AT25SF081). I use nrf_spi_mngr_perform to send a command to read the manufacturer ID
...
Hello,
I am having some trouble attempting to advertise a single custom 128bit uuid. I have two custom services sharing the same base uuid. Everything works correctly after...
I am trying to add major minor values in the ble_app_hrs example in SDK_15.3.0. I am getting an error code of 12 which is invalid data size at:
err_code = ble_advdata_encode...
Hello,
I am using SDK version15.20,pca10056,s140.
In my application I am using Bluetooth to send the data values at the rate of 750 samples per second. By sending 3 set...
Hello,
When performing serial communication using UARTE in the environment of SDK 15.3.0, SoftDevice 6.1.1, In rare cases, abnormal data is received. I don't know the cause...
Hello!
I am compiling the fiirmware for Thingy:52 (version 1.0.1), using the following link:.
https://github.com/NordicSemiconductor/Nordic-Thingy52-FW
nordicsemiconductor...
Hello All,
I've recently run into an issue with the nRF52840 Dongle where the Green channel for LD2 is not lighting up, this is a problem that is persistent across all...
Hello Nordic team,
In our project we have a requirement to write a log record to flash sector when any fault occured (hardfault or SD fault callback), so we can download...
I want to transfer data from slave to master and back to slave from master and I am doing this in the following cases: 1) Case1: Fixed connection interval and slave latency...
Hi,
I hdd developed a ble product based on nRF52810 ( SDK_15.3.0_59ac345 s112 ). I had set the connect paramter like this:
MIN_CONN_INTERVAL MSEC_TO_UNITS(150, UNIT_1_25_MS...
