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...
I am new to C programming and BLE in general.I am trying to create a service with two characteristics,(the application simply is a modification of BLE bulb and switch). How...
Hi,
How can I detect environment radio noise in each ESB radio channel?
Would you please give me a sample code which can detect environment radio noise?
Thank you...
I'm reading the SDK15.2 documentation coming from SDK 11. I've noticed the nrf_pwr_mgmt module, but I haven't seen it utilized by any of the examples. When should this module...
I implement basic Thermostat Zigbee device on top of FreeRTOS v10.0.0 with nRF Thread and Zigbee SDK in version v3.0.0 When there is no network to connect then after some...
I am working long nrf52840 and trying to implement long range in my project. There were examples in SDK 15.2.0 but i couldn't find any example or post which is related to...
Hey,
I'm using the nRF52840 dongle with SDK15.3. Am trying to make it a central device that is configured as a HID mouse when plugged. So I'm combining both multilink_central...
Hello everyone,
I got an issue with the custom board nRF52832 ( Raytac BLE module ) as I only achieve very short distance between the BLE device and Android app without...
Hi,Master:
When I use the QSPI library to communicate with flash, everything works fine. After a complete read and write, nrfx_qspi_uninit() is called to reduce power consumption...
Hi i am using nrf52832 development board as central which scans for peripheral devices.
how to get peripheral device service UUID(128 bit) completely before connection?...
Hi there,
About radio packet config, would someone please help?
1. Meaning of the LENGTH filed in packet structure. Is it size of payload or of the whole packet? ...
Hello, In a product already in the hands of the users we started getting some issues when connecting to Android Devices
Using the nRF Connect Android Application whenever...
Hi, I have been working with my nrf51 DK for a while now without problems. When I first connected the board to the computer today, the ld5 led was blinking very quickly, and...
hi
i have a question. I'm working on a type of beacon system and need to advertising repeatedly unique beacon in less than 100 ms advertise interval that limited on non...
