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...
I've been using the NRF24L01 transceiver to wirelessly broadcast data back and forth among 4 devices, where each device contains the NRF24L01 chip. Everything works great...
Hi, I'm using nrf51822 and ble_app_uart(SDK 12.3.0)
What I want to do is connect my board with nrf51822 and send data over UART
and send data to smartphone over BLE...
When I used keil, I set breakpoints to debug ble project used softdevice. And it was useful..
And now I'm using eclipse and gcc. It works well at first, but when step debugging...
Im using nRF 52 DK. I need to use BLE and ANT simultaneously, but the problem is most of the SDK v12,v13 examples use softdevice s212 for ANT,which does not support BLE examples...
Hello , i'm trying to implement the OTA DFU function in my custom designed board. I'm using NRF52 series. I started by flashing the flash I uploaded the softdevice132 v2 via...
I have a few nrf51822 modules powered up but why do they all have a uuid of 0x1234?
They are programmed for UART services (they just spit the data from an android app when...
Hi All,
I've got a nRF51-DK development kit, and I just compiled and downloaded my first example to it through Keil uVision. Problem is that nothing happens when the program...
what does the LG-MEB 300 mouse use for data streaming? Classic Bluetooth or BLE?
Can BLE support mouse data streaming rate? What data rate does BLE support?
Just curiou...
Hello everyone,
I'm usually on the cutting edge with Ubuntu Linux. I upgrade my development box frequently, because I like the precompiled binaries in the Ubuntu repository...
Hi all,
I have some questions regarding the use of FDS. I understand that every record is assigned a key and file ID. I manage to get basic delete, read and write functions...
Hello,
I'm starting to work with a new ADC that I need to drive with an external 4MHz clock that I will need to drive with my MCU. Is there a way to set up a pin to passively...
Hello ,I wrote a program that allows to control the LIS2DE12 accelerometer but I am reviewing a fixed result which is always X = 72, Y = 33, Z = 32, I find out where the problem...
In my nRF52832 base-board, I don't have any leds and buttons.
I use Keil v5 and I used ble_app_uart_pca10040_s132.
I copied pca10040.h as custom_board.h and replaced BOARD_PCA10040...
I Cant clear the RTC2 after a Compare Match. First Compare is Triggered. After that no more Interrupt is generated. Code:
static const nrf_drv_rtc_t rtc = NRF_DRV_RTC_INSTANCE...
I debugged with pca10028, but J-Link can not recognize manufacturer.
If selected cortex-M0, it works but is very inconvenient.
How can I solve this problem?