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,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
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...
I am using the nRF51822 utilizing the internal LDO setup. I received a question during regulatory submittal that I am not able to answer and am looking for help on. Is the...
Hi
I've tried to update some of our environment to the SDK12 files. When I tried to compile some of the files a weird bracket error showed up.
At the end i could find...
Hi,
I'm trying to run one of the template app programs from the Nordic SDK 12.0 library with a nRF52832 board as my target. I had trouble with compiler errors using the...
I curious about that what does exactly mean 'arm5_no_pack' folder name in SDK.
I usually used or developed under uKeil5(MDK-ARM5 v5.12).
What is relation with 'arm5_no_pack...
Hi
I'm trying to port my firmware to the NRF52 DK, but I'm having trouble getting it to work.
Could you give me a hint based on the stack trace below, what the problem...
