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 hope you all are fine and doing well.
I am trying to use the Soft UART (uart-bitbang.c driver) on nRF52 DK for a low-speed UART connection. The initialization fails...
Hello, I am not sure if this is the most appropriate place to ask this question, but any comments are welcomed. I am developming a sensor platform that tries to use extended...
So hello everyone, I am a computer science student with zero IoT background. I am trying to a wearable device . I want to nrf52840DK with max30102 heart rate sensor and communicating...
Using nRF5 SDK 14.0.0 with Softdevice s132 v5.0.0 on nRF52832.
I've set up my nrf to be a GATT client (in central role), and I'm using bluez on my Linux desktop with a...
Hi,
we have a NRF52832 based project / product. We are using a DFU bootloader for application and SD update. The update is done from a master microcontroller using UART...
Hi Devzone,
Currently, we are attempting to use the Generic three-wire coexistence (refer link: https://docs.nordicsemi.com/bundle/ncs-2.9.2/page/nrf/app_dev/device_guides...
Hello,
I am working on a project which was previously developed by another person, and am struggling to setup the development environment. The project was built on nRF Connect...
Just got myself a ppk2, tried to set it up on linux, it wanted to update itself that didnt work on linux. On windows it did. Then tried to connect and it just keeps loading...
Hello,
I am currently working on a BLE Mesh–based control system and would appreciate guidance on a few architectural and scalability concerns.
System Overview The network...
According to the working principle of a crystal oscillator, the load capacitance is inversely proportional to the resonant frequency of the crystal, that is, the larger the...
Hi,
We are using the NORA-B126-00B module on our custom board, and the first time we flashed it with a simple LED blink example, it worked fine. However, after erasing the...
Hi,
I'm looking at the watchdog behavior in mcuboot during DFU. Here are the watchdog-related configs I've set:
and here are a few things I've noticed:
- Even though...
hello, When I switched from the NCSv3.0.0 version to the NCSv3.2.1 version, I encountered the following compilation issue. How should I eliminate this "Error 1 (Ignored)"...
Background: Our tests on SDK 2.5.0 showed that it was possible to maintain a Bluetooth connection at a distance of approximately 180 meters with the following initial advertising...
