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...
I am trying to compile firmware with GCC in ubuntu. The GNU directory is in C:\Program Files (x86)\GNU Tools ARM Embedded\4.9 2015q3. I changed Makefile.posix to m ake sure...
I have a sensor which I'm grabbing FIFO data from every 14msec, ~240bytes. I send these FIFO grabs as soon as they arrive.
My connection parameters:
Connection Interval...
Hello,
I am tested multi-channel BLE peripheral connections. (ble_app_uart example with saadc example.)
When I am testing 2-channel, it works well.
However, when I am...
nRF52840
running nRF5_SDK_15.0.0_a53641a but have also reviewed FDS changes up to nRF5_SDK_17.0.2_d674dde for ideas
#define FDS_VIRTUAL_PAGES 5
I found a scenario...
I am trying to implement some examples of 6lowpan with nRF52 devices (either nRF52832 or nRF52840). I understand that the IoT applications has been discontinued from nRF5_SDK...
Hi, I am using nRF52840. How can I use 2 UART communication ? Is there any example code? and how can I add in my peripheral application? Which pins are best to use for UART...
I am a beginner to Free RTOS. so I have tried to build a simple button led project. When I press the button it should light up the LED. I implemented this similar model in...
Hello, I use nrf52832 (SDK 17) and I wanna send sounds from a microphone (which uses PDM) to TAS2521 which is connected to a headphone and it uses I2S. here is my code to...
Hello,
Sorry to bother you with this kind of question, but for us, the product specification of nRF21540 is really confusing and hard to read. Could you tell me, what is...
I have just begin using nRF51 DK board which has chip with label PCA10028, V1.2.2, 2017.4. Seems to me the device is nRF51822
I also downloaded the nRF51 Development kit...
I am looking for a Bluetooth sniffer to replace the Ubertooth-One that I am currently using. Ubertooth-One has a function that allows it to follow the connection of two Bluetooth...
Hi guys,
Is it possible to import and read the external JSON file in the BLE Mesh SDK? If it is, can I use the regular method for that in C or there are some other rules...
I think that the related ticket to the problem that we have observed is:
https://devzone.nordicsemi.com/f/nordic-q-a/60850/nrf9160-secure-services-causing-a-crash
I have...
I upgraded the nRF5 SDK from 15.2 to 17.0.2 and also the SoftDevice S132 from 6.1.1 to 7.2.0. I then tested my application on a nRF52832-DK board. sd_softdevice_enable returns...
Let us say we have a struct
Using this struct I have initialized a variable as
Next I call the SoftDevice function to update a characteristic value (It has...