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...
Hello,
i have a strange behaviour on a board with nRF52. The board is flashed with SD 4.0.2 and bootloader.
On Keil If i load the bootloader with JLink, it runs and...
I'm using nrfutil version 2.0.0 and have noticed a strange bug today when generating a new signed application image for bootloading.
If I have a version number of 0207...
hello , I am new to SPI protocol.I am using NRF52 DK &nRF5_SDK_13.0.0_04a0bfd( pca10040) using keil-5. I want spi master example code. Can any one suggested me where I find...
Hi there,
The S132 SoftDevice for the nRF52832 has grown in size from 0x1F000 for release 1.0.0-2.alpha, to 0x23000 for 5.0.0-3.alpha. It appears that the nRF52840 will...
I have a small PCB I'm prototyping/assembling, based on a nRF52832 with a few sensors. Looking for someone here to help me with writing basic firmware for testing the board...
Hi,
I am having trouble reading the contents of a record after the NFC tag in the microcontroller has been written by a smartphone.
I'm using the t4t emulator. When...
Hello,
A theoretical question at this point, but I read that there are some possibilities to set a Passkey or OoB, but I am more interested in skipping the entire Pairing...
Is there any way to fix it? I tried clearing all the memory using nRFGo and tried dumping example code but it failed by giving errors whose link for the screenshot has been...
Hi all,
I am trying to study the NFC type 4 write and how use the values received.
I cant find where can I see the data I am receiving when I write to a nRF52 tag using...
Hi,
I have problem with notification.
My action on central:
After I discover characteristics I call function for registration cccd and I registrate cccd of first characteristic...
Hello,
probably I found a little bug in SDK 13
When I'm trying make a DFU via nRFConnect with prepared pkg by nrfutil I got error.
And after debug session i found:...
We're having troubles with BLE connection between iOS 8-10 devices (iPad Pro, iPad Air 2, iPad Mini 3, iPhone 7, iPhone 6) and RedBear BLE Nano V1.5 32KB boards (with Nordic...
