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,
All the BLE mesh examples provided by nordic requires nrf connect/nrf mesh application. But now I want to pair and connect my linux (Ubuntu) machine with nRF 52840 SDK...
Hello, I am trying the nRF52 DK but I am struggling to make an upload on it. My first goal is just to make the led1 blink. How could I troubleshoot the upload.
Each time...
hello,
first i use the nrf mesh sdk 4.2.0, nrf52 DK board and light_switch_server_example with small modifications for debug purpose .
I noticed that when i connected...
Hi guys
I am working on a NRF52832 device. My SDK is 15.2. I am on S132.
To initialiser the Softdevice, I use the following function :
You can see that we added a...
Hello,
We have an NRF52840 based custom design board where the peripherals run on 3.3v. I based my code on a combination of ble_app_uart and ble_app_buttonless_dfu examples...
Hi, I'm in the process of systemizing a protocol for a product where we have the need to use different types of advertisements. There is one periodic connectable advertisement...
I am trying to use secure bootloader project sdk 17 nrf52832. But micro ecc lib is missing. I installed GNU compiler, make, Git. From infocentre also tried how to implement...
Hello,
I would like to implement the following failsafe for unused program areas for nrf52.
1. Filled the unused program areas with undefined Instruction.
2. The UsageFault...
I am using a nRF52840 dongle with nRFconnect v1.5.1 in SES. I have followed This link to do it. But got stuck at "Editing CMake List.txt" step.
Please tell if there...
Hello,
Is that true I only need the HFXO to be on right before issuing NRF_RADIO->TASKS_START = 1?
As long as the radio is not in TX/RX status, the HFXO can be turned...
Hello,
I'm writing software for my own board with nrf52840 and SIM800C modem.
I try to connect to MQTT broker. It works when I have TLS disabled or have TLS with certificate...
I'm building a custom system based on the NRF52832 and S132 SoftDevice with SDK 14.2.0.
Our secure bootloader (bonded) is based on examples/dfu/bootloader_secure_dfu. It...
Hello,
I'm working on a project with the nRF52840 PCA10056 board. I want to use Thread protocol. But I'm not sure if Thread supports Coded PHY, a feature of Bluetooth 5...
