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...
Hi
What is the default PHY when using NRF52832, SDK 14.2 and SD S132 v5.0?
When does a device's PHY get reset to this default value? Is it upon disconnect or is it as...
Hello,
I'm developing Win32 application, where I have to communicate with BLE device from our customer. At the beginning is simple application level authentication (with...
At the moment I am collecting 64 RSSI values into an array and want to calculate the average and variance of them. I have managed to calculate the average by adding up the...
Hi i am trying to debug the ble Uart app for confuguring device as Central. Which function is responsible for BLE Connection. I unable to debug this code with breakpoints...
I'm using a PCA10040 V1.1.1 dev board (nrf52). I programmed it with "Nordic_HRM" example, but modified it to send 20bytes data at 100Hz.
Then, on my PC, I use a PCA10031...
Hi,
I do not want to use the device id as my unique serial number of the nrf52840 chip and would like to generate my own . Where and how can I store this serial number...
I am using nrf51422 device with the SDK 11. I am running the hear rate application ble_app_hrs_pca10028_s130. When I connect to the device (using the nRF Connect app for ios...
Hi. I send 240 byte long messages using ble_nus_c_string_send at the moment.
How come the length field is a uint16_t if the max size is 247 bytes? Is it for future proofing...
I have a custom design buildt on ble_app_uart peripheral example from SDK 12.2.0. I use a timer that I start from case BLE_ADV_FAST in on_adv_evt to send a message to a display...
Hi,
I am using a PWM to control the output of an LED driver and I am implementing a soft_on function when powering ON the driver, so we have a start_PWM function that looks...
Hi, I want to start some projekt with BT840 module and use Keil to programming it. Also, I have Segger jlink programmer but I don't know how start. Can you give me some tips...
Hello,
we are using nRF52840 and have to directly use the CRYS API of the CryptoCell310.
In the documentation of the function CRYS_HASH_Update, the following is written...
