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...
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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...
In nRF Connect SDK I see drivers for BH1749 sensor from Thingy 91, but not for BH1745 from Thingy 52.
Is it possible that the BH1745 sensor will be supported soon? Looks...
I tryed to use the pynrfprog with a Segger-ARM-Flasher to update modem DFU.
I changed the python skript to follow - because there are 2 Segger-ARM-Flasher installed in...
Hi,
When I connect my device to an external power supply, it restarts randomly. It sometimes happens once every minute, sometimes once every 10 minutes. I couldn't find...
Hello,
I am transmitting 1 byte BLE data across a central and peripheral and the central does other things like control PWM, sample SAADC (scan mode), GPIO pins interrupts...
Hello,
When I am loading my project into SES I get the following warning message.
CMake Warning at C:/Zypher/v1.5.0-rc1/zephyr/CMakeLists.txt:1354 (message):
WARNING...
I have a nRF9160DK board and a want to generate a simple interrupt when I press button 1 (pin 6) on the DK board. When this works I will move to a different GPIO and hook...
I'm developing a small function that split string using delimiter (,) but i can't use strtok (undeclared function error)
so i added (CONFIG_NEWLIB_LIBC=y) to prj.conf file...
nRF52 DK fresh out of the box isn't recognized by my Windows 10 PC. When I plug the device into the USB port LED 1 pulses and LED 5 blinks rapidly. However, there is no sound...
when I call nrf_gzll_add_packet_to_tx_fifo after I recive a nrf_gzll_host_rx_data_ready() I get a Error 33542
how can I see what type of error that is?
I was hoping...
Hi
I have a custom-designed board based on nrf52840 and on that board, I am using NFC pins as GPIO.
On Pin no 0.9 and 0.10, output peripherals are connected.
I have...
I updated my Power Profiler software on the NRF Connect Desktop software.
Immediately after switching to the new GUI, I noticed a significant change in power performance...
I am trying to use the NRFX_WDT design in SDK 16.0.0 on a board using the nRF52832.
In the file nrfx_wdt.c, the allocation index is declared/defined as:
static uint8_t...
The drop down does not list the nrf5340dk.
Using nRF Connect Toolchain Manager I open a command prompt in the v1.5.0 sdk,
cd zephyr\samples\drivers\spi_flash
I did:...
Hello,
I have a project based on Cloud Client v1.4.0 using AWS IoT cloud as the backend. I have made some changes in the code so that I disconnect after sending some values...
The frequency tolerance for ANT stack for an external 32.768 kHz crystal oscillator should be +/- 50 ppm max.
Does it mean over temperature range?
There was the same question...
