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 have designed a custom board using NRF9160, but it has some trouble such as can't connect to LTE/NB-Iot, detect GPS signal,... So I want to use development kit to set up...
Hello,
SDK: 15.3.0
nRF52840-DK
IDE: SES
Example: flash_fds_s140_pca10056
Example Location: nRF-SDK\examples\peripheral\flash_fds\pca10056\s140\ses
Example Documentation...
It builds OK and I can flash the hex file using nRF connect Programmer. But I need to debug the code but I have not found a way to upload the code and break at main() entry...
Hi,
As we all know that nRF52811 support AoA/AoD feature. But I have not found example in corresponding SDK( nRF5_SDK_15.3.0_59ac345 ) . If you have example of AoA/AoD,...
If you look at the secure bootloader example the nrf_bootloader_init(...) never return to main scope unless an error occurs.
Everything is handled inside this function even...
The " 5.3.6.8 Reset behavior " table in nRF52840 Product Specification v1.1 mentions that WDT reset does reset the WDT itself.
I'm trying to reconfigure the WDT after a...
Hello,
I am using HC-SR04 ultrasonic sensor and nrf52840dk. To measure the distance I have to find out for how long the ECHO pin of the sensor remains high.
for that I...
On my old Wondows10 development computer, all worked OK.
In a brand new Windows10 laptop, all up to this point installs/verifies fine using nRF Connect.
I cannot find...
Hello, I'm making a PCB project with nrf52832 and I want to use my debuggers only 2 pins(SWDCLK and SWDIO) to debug it. I have J-Link Edu, but I wonder if I can use it with...
Hi, All.
I' m studying nRF52832.
I have a question about example "ble_app_uart".
I m trying to send to smartphone using function "printf()".
Uart pins(RX, TX) are...
Hi everybody! I have a code running excellently on my nRF52840 DK. I would like to make it run on my nRF52840 dongle. What should I change in my SEGGER project? Can anybody...
I am building a project which requires accelerometer data from the LIS3DH accelerometer be read and then transmitted over bluetooth. I have successfully setup bluetooth transmission...
Hi,
For my project I need to receive 9 bytes of data from our main board. This data gets send using UART.
By looking at the pin diagram I could not find specific pins...
Hello,
I am running nRF Connect for Desktop v3.2.0 on Win10 64-bit machine. Everytime I launch an applet, such as Power Profiler, I get a new blank window and nothing happens...