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 Sir/ Madam,
I want to create a modul to scan and advertise data using Nordic Dongle , (PCA10059). The example code in sdk , ble_app_multirole_lesc has been tested with...
Hi Forum,
I'm using a NRF24L01 (without "+") in a very power critical application. To tune the matching networks, i used a mini coaxial connector on the output to measure...
I'm developing an application for the nRF52833 using NCS 1.5.1, and currently working on performing a DFU using MCUBoot. I am sending the app_update.bin file over UART from...
Hi nRF team,
We are developing our custom board with nrf52840 for BLE mesh and nrf21540 as range extender . Now we have the provision to use gpio or spi to control nrf21540...
I have used the ble_peripheral/ble_app_uart example and add TWIM functionality to communicate with 2 I2C sensors.
I have used the peripheral/serial project to communicate...
Hi as I can see many other also experienced problems installing nrfutil. I spent 5 hours trying Windows 8.1, Windows 10 and a Debian Linux box. I'm no python expert and I...
Hello,
I'm working on a project related to DWM1001-DEV at University of Illinois at Urbana-Champaign to build a demo of the product that uses UWB. However, I'm having several...
Good day
Please assist, I had my power profiler (PPK II)and Bluetooth dongle both plugged into my laptop. I accidentally upgraded the firmware for power profiler (PPK II...
Hi
I am using NRF5340dk with NCS version 1.5.0, I need to port the below library which was written for nrf51.
github.com/.../ADS1231
KIndly, Help me to resolve this...
I am using SDK nRF5_SDK_15.3.0_59ac345 with nrf32832. I want to write data from central to peripheral characteristics. I wrote below code:
Everything worked fine when...
I run the program step by step, when execute NRFX_IRQ_ENABLE(SAADC_IRQn);, it will go to app_error_fault_handler,.What's wrong ? I have do nothing with it!
I am trying to set a timer pulse at 500kHz and on every high pulse i want to do a read on another pin.
I have an IC HX711, that has a 24bit output MSB. every positive...
Hi,
im a beginner and i have problems to integrate the Homekit SDK in the Connect SDK.
Maybe anyone have a link to a tutorial?
The implementation by west has no effect...
