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 am having issues with implementing long-press button action along with normal button press on the same button using the nrf52_sdk_thread on nrf52840.
When I implement...
When mesh_config_clear() is called with a setup containing a file strategy MESH_CONFIG_STRATEGY_ON_POWER_DOWN and an entry in that file has been changed but not yet written...
Hi
I am working on Mesh using light switch example,
1. Wants to relay the ON/OFF message to other server.
2. And send mesh message from server to all node in mesh network...
Hello,
I have program w/o using softdevice to drive an LED driver using I2C. I was able to get this to work very well with out a softdevice, however once I loaded a soft...
Based on nRF5_SDK_15.3.0_59ac345 for nRF52810 application,
a. With s112_nrf52_6.1.1_softdevice.hex and app.hex, it works normally b. Add bootloader, fds_init function will...
On custom nRF51422 hardware with S110, I eventually found that after 3 minutes the advertising timeout turns off the system.
I reproduced it by using the nRF SDK v9 project...
Hello Nordic Support!
I will ask you a question.
Soon it will be mass production from prototype development. I built with MDK-ARM and wrote code with J-LINK +...
in my circuit, it takes 17ms for VCC_NRF to go up from 0 to 1.7V and reach 3.0V, but nRESET PIN does NOT to go up to VCC_NRF.
what is the potential cause of this problem...
Hi all,
I'm working with a chip that is not really i2c compliant and requires us to not send a STOP at the end of an i2c read/write (I know super crappy but that's all I...
Hi to all, i am developing an app with nrf52840 and i want to use cc310 backend to generate ecc public/private key pair. after adding some files and enabling cc310 backend...
Hello,
I am using a development board pro nrf52840 mini from Sparkfun.
I'm trying to use the TWI peripheral on nrf52840 to communicate with an external device (another...
Hello! I'm using nRF5_SDK_15.0.0_a53641a to programm my Nordic NRF52832 with Segger Embedded Studio. I'm trying to increase the BLE Tx power to 4dBm. At the moment I've tried...
1.How do I use TWI \ TWIM Read\Write in blocking mode ?
I am facing an issues with my nrf52840 based design, where I issue consecutive TWI write\read .
I am monitoring...
Hi,
Why can I no longer access firmware.nrfcloud.com as, e.g., still described in readme.rst for the http_application_update sample. I have seen that the "regular" nrfcloud...
