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...
hi,
i have kept RAM block 0 and RAM block 1 on in OFF mode by calling "sd_power_ramon_set(0xf000f)" before entering off mode ,i saw the value of RAMON register is 0x00030003...
I'm using nRF51822 SoC . I wanna read and write from the flash memory . Shall I use a specific configuration before using read and write functions provided from S110 softDevice...
we have created ble mesh, and data through ble nodes is passed every 5 seconds, but nodes gets disconnected with reason BLE_HCI_CONN_FAILED_TO_BE_ESTABLISHED??
please someone...
we have created ble mesh, and data through ble nodes is passed every 5 seconds, but nodes gets disconnected with reason BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION??
please...
we have created ble mesh, and data through ble nodes is passed every 5 seconds, but nodes gets disconnected with reason BLE_HCI_CONNECTION_TIMEOUT?
please someone give...
we have created ble mesh, and data through ble nodes is passed every 5 seconds, but nodes gets disconnected with reason BLE_HCI_LOCAL_HOST_TERMINATED_CONNECTION?
please...
Hi all,
I am choosing a oscillator and my choice was a 16MHz stability +-9ppm, tolerance +-10ppm, 9pF
my FAE gave me the hint to use a 32MHz which is stability +-20ppm,...
Hi,
I have my BLE services arranged in different .c files. If I change anything in these files and compile (using Keil uVision 5) and load the program, it seems like the...
What is the designed (/actual/required due to the specification) behaviour of the Bluetooth stack S110 when notification packets are queued and the CCCD controlling the attribute...
I am looking into using Internal RC instead of External Oscillator (with softdevice on).
The function ser_app_hal_hw_init() uses Xtal clock source by default.
...
Hi, everyone. What is the meaning of datasheet "section 8.5.7 Antenna matching network requirements"->15+j85 ?
Whether is that we can caluate the 50o with the data?
bonjour , j'ai essayé de communiquer deux pca10028 en utilisant l'exemples " transmitter_pca10028 et receive_pca10028 " mais l'experience a echoué je sais pas pourquoi sachant...
Hello,
I'm testing current time service client example on SDK 8.0.0 with iOS.
After connected the devices, iOS show confirmation to pairing.
When I canceled this or...
After enabling and starting the watchdog timer (RR0), how can it be disabled?
This following code does not work :
NRF_WDT->RREN &= ~(1 << WDT_RREN_RR0_Pos);
Neither...
