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...
Hi all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
So I run SDK 15.0. I have a notification channel, and I want to transmit some data on it.
I run this code
hvx_params.handle = gatt_notify_handlers[index].gatt_handle;...
I'm using the nRF52840 to interface with an existing 802.15.4 network. For reasons decided long before I became involved, the messages exchanged are MAC command frames, not...
Hi,
I am testing BLE throughput between NRF52832 and iPhone XR using S132 stack. I am able to get maximum of 400Kbps. Is there a way to achieve throughput better than...
Hi,
I am trying to design the transmission lines based on the reference board design from Nordic.
I opened up the Altium layout file for the board which I downloaded...
I'm trying to communicate with HTS221 sensor and read WHO_IM_I but then I always get error 17 on nrf_drv_twi_rx and receive 0 on output
Twi init
ret_code_t ret;
const...
Hi
I want to use TWI read temperature from sensor Si7050, but i got a problem that doesn't jump into twi handler event. Can anyone give me some information? Thank you. ...
Hi,
This is somewhat tricky question..
Does GAP broadcaster differ with the BLE device which advertise packets with non-connectable option?
Is The device which operates...
I read the specifications on nRF51 series and the spec say that Bluetooth 4.2 with 2Mbps. However, standard Bluetooth 4.2 only support maximum 1Mbps bitrate.
First, I wonder...
So I added a header files folder to my project and then added a header file. The project would no longer compile after doing so. To troubleshoot, I changed everything in my...
Hello,
I am trying to upgrade my working projects to SDK15.3 from SDK15.2. All projects work except the bootloader project as there are significant differences in 15.3...
Hi,
If I understand corrctly, the flag CONFIG_NRF_CLOUD_PROVISION_CERTIFICATES=y should only be used once,
after that, the certificates are saved inside the modem.
...
Hello.
We are developing a device that require a 1Gb qspi memory interafaced with a nrf52840.
So far the qspi driver and the memory inits and the memory respond to some...
It appears that my watchdog timer is running during interrupts that are handled by the SoftDevice and do not cause a return from sd_app_evt_wait. This is described in the...
In migrating a project from SDK 14.2.0 to SDK 15.3.0, I'm also trying to move from the "legacy" non Easy DMA SPI driver to the Easy DMA one. I don't much care whether I use...
Hi,
I've been struggling with a problem with my builds for over a year now.
On some builds NFC works perfectly, but on many it doesn't - and I have no idea why. I can...
