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 have application with buttonless DFU and boot loader. I am able to upload distribute zip package to the board via nRF Connect and nRF Toolbox apps on Android . But the...
Hello everybody,
I tested the example: https://github.com/Rallare/nrf51_ble_app_hids_kbd_consumercontrol/tree/SDK11 on my customer board (and on the DK52) with the NRF52832...
Hi,
1. After studying about power profiling and application examples/ble_peripheral/ble_app_pwr_profiling, came to know that this example currently supports advertising...
Hi,
I am establishing a Bluetooth mesh network with nordic boards (nRF52 DK) having one provisioner and many provisionee devices. But I have one doubt, if I remove the...
Hello,
We are developing wearable which has NRF52 as main MCU. We are looking for suggestions to select proper sensors like Pedometer, Heart Rate Sensor and 128x32 OLED...
Device：Nrf51822
SDK：SDK12.3
Device name consists of "scanner:" and four digits。But sometimes the device name display error。An extra character appears in the device name...
Hi,
I've undertaken my very first custom Bluetooth PCB project, choosing an nRF52810 as the MCU of choice.
Having already tried and tested a SparkFun nRF52832 breakout...
Hi all!
Antenna that used in nRf51822 developement kit:
too big for my design, so I tried to use antenna that I copied from TI AN430:
There is devices that use...
Hi,
I am following procedure to configure mosquitto using this link http://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fiot_sdk_user_guides_mosquitto...
Hello,
I'm working in a bootloader based on the one included with SDK15. I want to add a timer that fires every 50 ms to keep track of time. The purpose of this timer is...
Hello everyone,
I'm new to embedded system and I'm working with the NRF52 and more precisely with the DW1001 (NRF52 + DW1000).
The Decawave device (DW1000) is already...
Hello,
I am trying to run a simple ble_app_hrs example from the SDK v12, but I am getting the same error as in this post devzone.nordicsemi.com/.../
Building ‘ble_app_hrs_pca10040_s132...
Hi,
UART and UARTE are specified in data sheet. these are separate UART or one UART and configured bt software. Please explain.
Thanks and Regards,
Harikant
So literally, I cannot trust what IAR is doing. Running version 8.22.1, it crashes every time I attempt to debug an nRF52832 device (SparkFun board).
I've already programmed...
