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 everyone,
Looking the nRF52840 Product Specification v1.1, I see that there are several System Off modes.
1. Using the function sd_power_system_off() what is the by...
Hi,
i'm new on using nRF5 modules and i have some question about how to program the nRF52840 on a custom board, so with a completely new chip.
Reading the schematic of...
I am using nrf52840 DK (pca10056) board and nrf5SDK 16. There is one low power sensor connected to the board via SPI interface. My program consume less than 30uA before I...
HI:
I transfer the init packet and firmware to bootloader successfully by UART DFU, and then the app can not start. It report error as below:
<00> info> app: Inside main...
Hi All,
My update of nRF Connect v3.3.0 failed after a while:
Update of nRF Connect failed with the following Error-MSG:
On the same day I got an install from Oracle...
Hello everyone,
I would like to use the PPK with a NRF52 Dk, but I have external sensors connected to the VDD and 5V, so when I will plug the ppk I will have to disconnect...
Hi,
I am reading a 24-bit data from SPI by getting a data-ready interrupt from GPIOTE pin in a NRF52832 chip. I have to buffer data for the BLE interval duration then send...
Hi,
I am using BLE-UART example in my project and to start advertising I am using below piece of code.
By default in the sdk (ble_advertising.c) the advertising type...
Hi,
I don't want the spm and application firmware built together so I tried using the "spm" sample in version 1.3 of the sdk. However when configuring the project i t...
I have a requirement that my peripheral device should only rely on the central to start any security operation. Right now I see a problem when the central side removes the...
I am new to BLE with my nRF51. I've got this example and I try to stop a RSSI scan when the device get all advertising data from the local device.
But when I try to add...
I burned this program in nrf9160 ncs v1.3, and how do I fix the following error?
An example can be found in the figure below
Example prj configuration see figure ...
Hi,
I would like to evaluate the NRF52811 chipset module (BMD-360 from UBlox) using the NRF52840 DK.
If I am to read the Constant Tone Extension that will be transmitted...
I followed an instructions developer.nordicsemi.com/.../gs_assistant.html in the case of Kubuntu 20.04 and developer.nordicsemi.com/.../gs_assistant.html in the case of Windows...
Note: This is related to the following issues:
- https://devzone.nordicsemi.com/f/nordic-q-a/63255/nrf9160-getting-stuck-after-cell-change
- https://devzone.nordicsemi...
