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 am using the nRF52840-DK to implement a zigbee light device.
If I use another nRF52840-DK to act as a coordinator, the light bulk example works fine. However...
Hi
I'm using a custom board with nRF51822 and mbed.
Then, I would like to generate 25kHz PWM and use BLE simultaneously.
So, I read this thread, write like the attachment...
Hi,
I am porting the opus library from smart remote project into our system. The chip is nrf52832.
When I encoding the pcm data, I got error. After tracing into code...
I am trying to port an application that works on the NRF52 DK board to a custom board containing a 52832 QFAA chipset. The MCU is connected via SPI to an IMU BMI160 and a...
hi all,
the latest master fw-nrfconnect-nrf. asset_tracker project gps_controller.
now ,i try add gps_control module to my project. but it now work correct that gps_controller...
I built my project with SDK 15.0 but for some modifications I migrated to SDK15.3
In my application I use pairing key to secure connections but since migrating to SDK 15...
Hello,
How to ass custom button using BSP? In the default setting, there are only 4 buttons. But my custom board has more than 4 buttons. How to add more button using BSP...
Hi, I have a question on USB performance of nRF52840. I have Rigado BMD-340(s) and I have to verify the maximum data rate supported on USB interface. Its says 12 mbps in the...
Hi
There are two PCA10090 DK boards. Each one had its own iBASIS card.
Previously, I registered these two in nRF Connect for Cloud. DK board A with SIM card A.
DK board...
I have ordered some PCBs which have I2C lines on P0.08 and P0.09 and have been trying to test using the Dev Kit and for some reason, I can't get any traffic out of these pins...
Hello. I want to add OTA DFU feature to my device, based on nRF52810. I already met problem with not enough space on this chip, but it was solved, so I hope it possible to...
nRF52832 will restart accidentally, I have checked code, but I haven't fixed it so far;
Because restart is random, it is hard to reappear;
my question is
1, How do I...
Hi Sir,
My project need LESC & AES-CMAC function, then I enabled below CONFIG in sdk_config.h :
NRF_CRYPTO_BACKEND_MBEDTLS_ENABLED
NRF_CRYPTO_BACKEND_MBEDTLS_ECC_SECP256R1_ENABLED...
