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'm looking for a simple example on how to implement I2C. I've built I2C on my various FPGA's, implemented I2C on various AVR based chips from special function registers...
Good afternoon,
I first devoloped my app based on the nRF52840 (SDK 15.2; S140 V.6.1.0) and it was perfectly working with or without bonds.
After that, and following what...
I've been doing some development on the nRF Mesh platform for the nRF52832 chipset and I'm relying on the Mesh DFU protocol to update my deployed units. Recently I've been...
We need to know what the total internal capacitance and inductance is for the nRF9160 SIP to comply with intrinsic safety certification. Can anyone point me to this information...
Hi, We have developed a custom board. We can upload code using nrf52840 sdk-ble stack. We can read NRF_LOGS. However when we test with the ble_app_blinky that works fine with...
We have been using gpiote low_accuracy port events on battery powered devices for years without any issues, but now we bumped into a strange issue.
Details: 8 PORT (hi_accuracy...
I have set the host name to my aws thing endpoint name per the instructions on the following link
developer.nordicsemi.com/.../README.html
but the hostname ends up...
To the kind attention of Nordic support team,
after about one year evaluating software using Segger Embedded Studio I'm switching to Keil, basically to evaluate gazell secured...
Hi
I have lost my private key for generating my dfu pakage using nrfutil.
I have 2K nrf Modules chips already programmed with bootloader & dfu enabled firmware. However...
Hello,
I'm having a weird problem while doing a communication between nRF52840( perpherial device ) with USB OTG ( STM32 ).
I'm trying send out the data from USB OTG...
Hi,
We have a production device using the NRF9160 and after several days end up triggering a __bus_fault() that arises likely from memory fragmentation in the heap within...
Hello all.
i am trying to flash a boot loader with arduino IDE. i got the technique from here : https://github.com/sandeepmistry/arduino-nRF5
after doing all steps i am...
We upgrade to the latest Mesh SDK 4.0 but the light server example is behaving differently. We have our own code from an iOS app that provisions the device.
After I provisioning...
Using 840DK and latest Segger (4.42)
Building Mesh DFU example: dfu_nrf52840_xxAA_s140_7_0_1
Latest Mesh SDK v4
Latest SDK 16
Build with no errors, when starting debug...
I want to use the random number API for nRF5340APPLICATION. But I can only choose TEST_RANDOM_GENERATOR. And can not use sys_csrand_get().
How to use RandomAPI for nRF5340Application...
