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 working on nrf52832 DK, i am trying to upgrade my development kit firmware using mobile
and i successfully build "secure_bootloader_ble_s132_pca10040.hex " application...
I'm currently using this setup on a fitness device prototype that will send battery status, scores and relevant infos. RPi >>>RFM69 915MHz )))))) ((((( RFM69 >>> Adafruit...
Hi,
I am using the softblink library in SDK 13.1 to control a RGB status indicator LED. It works fine, until I want to change the PWM settings or the LED pin.
The change...
I'm developing an interface I2C to one sensor including SCL, SDA and open-drain return to know if
the sensor is ready to work. After Reset by "Build and Run" form Segger...
Hi,
I'm a new guy for the development in nRF52840 and try to build the application by using 802.15.4. I have two questions, as follows:
Firstly, when I follow the instruction...
Hi, environment is nRF5_SDK_16.0.0_98a08e2 windows SES target is nrf52840. I am using the nordic dev board. The final product is a wearable, which will connect to a smartphone...
Hi All,
I'm using NRF52832 for our product. I test bootloader functionalities with development kit. The software system is also tested separately by directly programming...
Is it possible to achieve 2Mbps real speed when sending 2Mbs of data in BLE.50?
It supports USB 2.0 H / W, but the actual speed is full speed. Is high speed possible with...
What is the need for a provisioner? Is it mandatory to have provisioner while client and server communication? In which condition provisioner needed in mesh network? Which...
Hello,
This is more a question than a issue. I am working on a sample to transmit data from MOSI of the SPI to UDP. It is possible to see received data through SPI on LTE...
I would like to make a timer to check the GPIO status.
The current code is like below:
I already checked that timer function is worked by implant the specific event...
Hi, I am developing sensor reading via ble using nRF52 Development Kit from scratch.
Since bluetooth, nrf, sdk stuff are a whole new world for me, I m following step by...
Hello All,
Recently I got the nRF 52840 PDK kit and wanted to start with a simple example.
I tried do the following. It works but when I use the following it doesn't....
I want to use Termite by UART. but failed. Is there any option left other than RTT ??
So how do Window user communicate with the board ?? I need to send data from mcu...
