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...
Is there window 7 driver or library to support BLE in window 7?
I've found few questions, but could not find correct answer.
Please give me any guidance.
Thank you...
advertise.png hello there
in advertising packet i want something like first name of device and then service data and then manufacture data ??
how can i do that??
...
I made a board without external 32kHz crystal.
So, I changed NRF_CLOCK_LFCLKSRC source to NRF_CLOCK_LF_SRC_RC, which is used in ble_stack_init.
Now, I need to make DTM...
Hi,
I am use Exclusion list for my one application.
Exlusion list work is ok,but i am facing problem for how clear Exclusion list ?
My Controller: nRF514222 Rev 3,...
This is my first time working with a microcontroller and working with C as well, my only previous experience being C++ done in notepad on Linux. Currently I'm trying to just...
To reduce nRF52 design thickness, I'm planning to use a low profile inductor on the DCDC converter.
The low profile inductor has a higher resistance, compared to the recommended...
Hi, All.
Once I wrote data in NV memory, it's OK. I can get the same data I put in.
But, after power off - on reset, data are invalid. It's all 0xff(erased state).
I used...
Hi,
I have been trying to do it and even though I have generated packages using the old nrfutil and the new 1.5, when I use nRF connect to do the upload it aborts without...
I programmed my beacon with this code:
ble_app_beacon.zip
I use nrf connect app to see its signals. nrf connect can find my beacons but it says:
serviceUUID : N/A
TxpowerLevel...
Hi all,
I believe it should be possible to defined a characteristic which can be written to but have no automatic write response ACK sent. Instead I want to send a manual...
I develop a temperature sensor sending a temperature and battery status every second.
Used to work fine on previous nRF Toolbox.
Today on my Android 6 and latest nRF Toolbox...
Difficult to obtain the high-ohmage resistors in the solar beacon reference design. Will 5% resistors suffice or do the resistors have to be 1% tolerance.
I have difficulties understanding the COMP APIs, this function below starts after initializing the COMP the peripheral.
nrf_drv_comp_start(NRF_DRV_COMP_EVT_EN_CROSS_MASK...
