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...
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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 found what I believe to be a bug with the nrfx_qspi driver on NRF52840. After using the QPSI peripheral, I have found that in some cases the NVIC's IRQ#41 (QSPI Interrupt...
Hi,
I am using nRF52840-DK with Segger Embedded Studio . In this dev kit the Atmel chip ATSAM3U2CA-AU provides the programming/debugging interface. In order to save BOM...
Hi,
I'm using commands below to send SMS message in my application. SMS sending is working fine, but some reason during the AT+CMGS command program execution
Is blocked...
I understand that I have to get approvals for my product, but can the nRD9160 operate globally?
Has this sip already been approved (on other pcb's) for use on Verizon, AT&T...
Hello
I'm testing a DFU right now
By the way, the icons coming out when advertising in the APP today changed to the Christmas version, it seems a little weird.
Originally...
I am trying to implement PA + LNA to nrf_esb.c, if I set in PA constantly ON, receiver gets good signal but sender cannot get ACK, if I set LNA constantly ON, receiver signal...
On the Mac machine, I open the Bluetooth Low Energy app of the nRF Connect for Desktop, connect to the nRF52 DK, and try to find the button to perform bonding, as the SDK...
Hello,
I am using nRF52840, SDK_16.0.0, S140 SoftDevice and Segger 4.16 for flashing the image. I am using ‘ble_app_blinky’.
1) Initially I loaded Secure serial bootloader...
Hi there,
I'm developing an application that needs to store data points when internet connectivity isn't available. Is it possible to write small packets of data (lat/long...
My target platform is nRF5_SDK_14.2.0_17b948a but I suspect that nRF Connect has independent bin/hex files with which to program the nRF52.
I was trying to get the PPK working...
I'm trying to find a way to be able to recover some log messages when the device crashes & resets in the field. This way we could report some meaningful data about why the...
Hello,
I am working on nRF51822 using SDK 12.3.0 in IAR embedded workbench.
I added dfu service and one custom service in my application.
my problem is when I download...
Hello,
I stared working on nRF52840 for past few weeks, it was working fine. One fine day the board STOPED working, when i was testing a experiment. I tried with different...
Hi,
I tried the on/off light server example provided with the Mesh 4.0 SDK, but it seems somehow always to fall into an NRF_ERROR_INVALID_PARAM, since the appkey_handle...
