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...
This is from the previous Blog: devzone.nordicsemi.com/.../
I've looked at the other dev boards. I found this one nRF52832 System on Chip and Amber SPP-over-BLE profile...
Hi,
I'm using the nrf52832 Nfc and I can't set a variable nfc message, the nfc message must be constant... In my case I'm trying to send a text via BLE and put it on the...
I found lots of macros in Makefile like below,but I did not found they were used in C or assemble file. I am cleanup my Makefile to remove unused macros... so could I remove...
I'm using a 51422 for a very short range, fixed system. I will never need the chip to receive or be received from more than 5 meters away, and more often just 2-3 meters....
Hi,
I own a Redbearlab BLE Nano with a nrf51822.
I want to use it to drive some WS2812 rgb LED (neopixels), using precised timings for bit-banging.
Before driving...
Hello everyone,
I am having difficulties on changing the advertising name of my device (nRF52832).
Here is the piece of code that I am using to do it:
ble_gap_conn_sec_mode_t...
hello.
How can the hidden setting of BLE be realized?
For example, (as log of nRF Connect) as follows:
ptlog1.txt
thanks.
I will attach a screenshot of NRF connect...
what does the mean of the statements the red line marked on above picture ? In my product ,i want to combine the softdevice,application and bootloader into one hex,and burn...
Hi all,
I am testing this example and I have some question is possible using theR same NFC to turn off the nRF52? I cant see where the NFC event is handle
Can some one...
Hello,
Has anyone been able to succesfully use the HID Keyboard Demo (ble_sdk_app_hids_keyboard_main from Nordic nRF51822 SDK ver 6_1_0 along with GCC compiler for s110...
I have an application working using PPI to start a SPI master transaction from a GPIOTE event. Unfortunately, I currently have very high current consumption which I am led...
hi all,
i try to use to timer to have a single press and a long press.
this my code.
const nrf_drv_timer_t TIMER_BUTTON = NRF_DRV_TIMER_INSTANCE(0);
const nrf_drv_timer_t...
I don't know where it is used..
example, when I use sd_ble_gatts_hvx(conn_handle, &p_hvx_params), conn_handle was BLE_GATT_HANDLE_INVALID(0x0000) result of debugging. ...
I use nRF5_SDK_12.2.0_f012efa to develop BLE application in IAR workbench. Now I want to test the example: ble_app_template_pca10040_s132-nrf52832_xxaa. The project can pass...