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 try to rotate an image (180) with nrf_gfx_rotation_set(p_lcd, NRF_LCD_ROTATE_180). This only works once, but after, I want to return to the original position by re...
Hello
I am currently trying to get sensor values via SPI communication with mpu9250, a 9-axis sensor.
Although the following settings were made,acceleration,gyro,and...
Hi Sir,
I am going to the same phenomenon as below.
https://devzone.nordicsemi.com/f/nordic-q-a/45554/sdk-15-2-how-to-set-a-value-to-a-hid-feature-report
Can someone...
Eventually we got it working with the Master Control Panel again, but it will not work with our test software. I suspect a Window update change that affected links. Window7...
Hello,
I would like to implement a design using both the ESP32 Wi-Fi as well as the nRF52840 on the same PCB. As they both operate on the same 2.4GHz frequency and the antennas...
Hi,
I have used "write_handler(p_ble_evt->evt.gap_evt.conn_handle, p_rtc_service, p_evt_write->data[0]);" to send data to nrf52832 from mobile but iam able to send 1 byte...
Hello, I have 2 custom service running each with one characteristic. When data is written to the characteristic one (io_controle.c) the write event is triggered twice. The...
Hi,
did anybody find a suitable and cheap enclosure for the nRF51 Dongle? I want to use some of the dongles for initial tests before producing my own boards.
Thanks...
Hello, I have modified the example from the light switch on the mesh SDK and I can send and receive string messages, but the problem is that it doesn't work as expected, because...
I (unfortunately) had to make my own forks of Zephyr and NRF to get around a build issue, and decided to implement a west.yml manifest in my application repository. I made...
A makefile project using SDK 15.0.0 that compiled under GCC 7.2.1 no longer compiles under 7.3.1 with these errors:
../../../../../../external/segger_rtt/SEGGER_RTT_Syscalls_GCC...
Hi
I am trying to run the light_switch example, following the steps provided in this link . I have one Development board and 2 custom boards. It asks for Segger IDs for...
Section '5.2.1.1 Sleep' of the nRF9160 Production Specification v1.0 identifies SLEEP power with no RAM retention. My application will require partial RAM retention during...
Hi
I am trying to start development with Bluetooth Mesh. As per the documentation here , I have installed nRF Command Line Tools. While running the python script "quick_start_demo...
