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 some problems with the TWI (I2C) and it seems that TWI1 does not send anything. I have managed to create a simple example to recreate the issue. I am using TWI1 instead...
Hello.
Is it possible to send more than 1B data via blinky characteristic from central to peripheral? I made my project with two characteristic (my own 128-bit UUID) basing...
I am using android ble with kotlin. I ported the Blinky example to kotlin. There is a reference escaped in object construction when on construction the BLEManager invokes...
Dear Nordic Team!
I am verifying my tools chain for nrf52840 Mesh project development by mesh light-switch example. I have 4 PCA10056 and make them to 1 provisioner, 1 client...
Hi,
I use sdk16 and nRF52832.I want to change advertising in the air:
Now I'm using the timer to change the adv.But I want to change adv with RF interrupt.
Like this...
I developed an application (BLE named Adriano) using nRF52840 DK, nRF5_SDK_for_Thread_and_Zigbee_v3.1.0_c7c4730, starting from ble_zigbee_dynamic example. I added some custom...
Hi,
I'm developping an application for nRF52840 as a BLE central. It is supposed to connect to an Android device (BLE peripheral) using a bond (encrypted connection with...
Hi everyone,
I went through the source code by Vidar Berg for background dfu using SDK 15.3. I am working with nRF52832 , S132 and SDk 12 with Keil IDE. I did try with secure...
Hi,
I am currently developing with nRF52811 chip using nRF52840 DK. Where can I find a reference 2.4GHz PCB antenna design document?
Thanks.
Regards,
Jxq
Dear Team:
Hi team,I just want to know:
1.Can the ESB protocol call the frequency hopping of Gazell? Is there a corresponding description and source code?
2.Can the...
hi, i am facing this unknown error at "unknown function at 0x000008C8",
i am doing a development project with nrf52832(sdk14.2 and s132v5,ble nus is used) mcu and sim800...
Hello, I'm developing SAADC on nRF52832.
While developing, I have problems now.
I applied sine wave on ADC input.
And the result is displayed on the figure that I...
Hi:
Use the nordic official nRF52832 development board , The software is SDK15.3(example: ble_app_uart ),
Find that there will be a continuous reset. What is the problem...
Hey all,
I am trying to run the "nrfx_spim" example on my nRF52840 USB Dongle (Makerdiary nRF52840 USB dongle), however it is not working. It looks like the code is never...
I have been testing the softdevice codes on NRF52840 DK with NRF52840 SDK 15.2.0 which is working perfectly. But when i put the same test code in our custom board having BT840...