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 use the nRF52-SDK on an nRF52840 PDK, but if I start a scan request, I don't get the number of scanned channels back in the mlme_scan_conf_t.
I.e. mlme_scan_conf_t::unscanned_channels...
Hi! I need to understand the basic functionality of BLE Mesh.
Please see attached picture.
1. Is it true that a device (eg BLUE) through BLE mesh can communicate DATA...
Dear friends,
Software &Hardware: Power Profiling Application (a SDK example), S132 softdevice, nRF52832(PCA10040), Power Monitor. The measured average current consumptions...
What is the maximum sampling rate of nrf52832? I used the ppi on nrf52632 to collect the signal on gpio. After testing, it was found that when the signal on gpio is greater...
Hello all,
I want to built a coin cell powered thermometer with NTC thermistor.
May I know if I need to regulate the voltage from the coin cell or i can power the nrf52832...
I have a problem with the 802.15.4 software part of my nRF52840 PDK. I wanted to replace our current 802.15.4 hardware parts from TI with the new nRF52840, due to the lack...
Hello. We are now starting our review to customize code for the pending use of the Nordic devices in low power mode. Have a mix of Nordic kits now. Using the nRF52832 (PCA10040...
Hi,
I am trying to implement buttonless DFU by following the ble_app_hrs example provided in the SDK and modifying the bootloader (nRF51_SDK_10.0.0\examples\ble_peripheral...
We have our custom PCB design that we program and debug by connecting the SWD lines to nrf51 DK's SWD. We wanted to use trace for better debugging options, however we discovered...
Hi,
I have a task to do PWM frequency repeater on nrf52832. After reading forums I decided to make it with PPI, 2 GPIOTE and 3 Timers. Here what I did: https://github...
Hello everybody,
I used SDK14.2 S132
I defined fds_write and read function like that;
Also, I wrote a function to register particular data;
Then I used save_data...
Hi, I followed through this tutorial:
https://devzone.nordicsemi.com/b/blog/posts/getting-started-with-nordics-secure-dfu-bootloader
But to my frustration I realized...
Deer friends,
The nRF Connect BLE app supports the configuration of the local device's GATT attribute table, also known as server setup. Adding attributes to the server...
