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 have an NRF52 DK and a J-Link mini debugger. I'm trying to connect J-Link debugger to the NRF52 via the debug jumper port. I'm using a standard 10 pin SWD JTAG cable. I...
i m working with fds using segger, i'm trying to perform read and write functions and printing on putty. it showing no errors on building while debuging no output is displaying...
When create 128byte length's CHARACTERISTIC and read with NRFCONNECT on Android. NRFCONNECT returns GATT_READ_NOT_PERMIT even though sd_ble_gatts_rw_authorize_reply() completes...
Hello Team Nordic,
I have a strange problem with the UART:
I am using nRF52840 with two UARTs: UART1 for Debug-Terminal and UART0 for communication with a GPS-Module...
I have developed a code for transferring data through uart to ble. It is working properly. but when I add a line printf to my code the data transmission stops and ble will...
Hello, I am trying to use the Legacy TWI Driver in SDK 15. I have setup my my sdk_config.h file to remove all references to NRFX (New TWI Driver). Only enabling the "nrf_drv_twi...
Hi!
I have download nRF5_SDK_14.1.0, and I have IAR Embedded Workbench IDE ARM 8.20.1
I want compile ble_app_eddystone.eww from examples, but have error:
Error[Lt009...
I'm looking into the use of the nRF52840 as a light switch/dimmer for a Philips Hue system, but have been running into issues with getting connected to the Hue network. I...
I know there have been many posts on this forum regarding a similar issue, I have spent a whole day reading them and trying to get this working, to no avail.
Basically my...
After nRF52840DK is flashed with open bootloader project through J-link ( usb port J2 on the short side of the board), nRF connect is showing the following interface when...
After reviewing this thread https://devzone.nordicsemi.com/f/nordic-q-a/53743/zigbee-sdk-on-top-of-freertos I managed to get FreeRTOS working with ZigBee and BLE using the...
On the development boards, the JLink OB stops working after 24 days and needs to be disconnected to work again.
This affects at least the USB UART endpoint, but possible...
I have seen some situations where putting the modem into offline mode (CFUN=4) will cause my application to lock up because the at_cmd never returns. It looks like this is...
Hi, I am using Mesh SDK 4.0.0 and have couple of nRF52840 dev kits.
1) In light switch server example of Mesh SDK, is it possible to add more on_off data types to the server...
Hello I am trying to develop an application for advertising in SLOW mode.
Here is my Advertising Init function.
/**@brief Function for initializing the Advertising...
