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...
when i use other hex file, it appear every time.
after i click "yes"， i can't scan the divece?
so what the proble ? how can i use "nRF Connect " with other hex file ,...
Hi everyone.
I want to use the nRF8001 in a low power application and therefore I want to save as much energy as possible.
I read in other discussions that the nRFgo studio...
Hello,
We are mocking our code but we are having difficulties eliminating the dependency of other files the mocked file includes due to the mocked header including the...
Good morning,
I am running the UART example from SDK 14.2 (example/ble_peripheral/ble_app_uart) on a brand-new NRF52832 development kit (PCA10040).
On the master side...
Hello.
I try to periodically updated data in my characteristic that way:
As soon as I connected via "nRF Connect", function " sd_ble_gatts_hvx" returns: NRF_ERROR_SVC_HANDLER_MISSING...
Hi all ,
I have SHT31 and I can read Temperature and Humidity value by NRF52 . But I want to create 1 service for display it on smart phone with the RH (name: Humidity,...
Hello,
I would like to measure the voltage of circuit GND by using the embeded SAADC of nRF52832.
But unfortunately I have no vacancy of GPIO to connect GND.
Could you...
I have set up a nrf52840 kit to upload data to nrf cloud via bluetooth but the data on the cloud is displayed as a hexadecimal number(1,2,3,4,5,6,7,8,9,A,B......) I want to...
I am not seeing a transition to BLE_ADV_EVT_SLOW. The transition I see goes from FAST to idle, without a transition to slow, from the configuration I don't expect to be in...
I am trying to implement a timer using nrf_drv_timer.h and nrf_timer.h, however, the handler never gets called.
I first create a timer, then define a timer handler and finally...
Hello everyone! I am trying to program a nrf52832 sparkfun board through a nRF52DK. I have already gone through the pin connection guide succesfully and I can flash succesfully...
Hi there,
I could program the HEX file to nRF51DK via nRFgo studio successfully and the board seems to work fine as well. And then, I try to read back the HEX file from...
I am just wondering if it is possible to use the 52840's USB interface to create an R/NDIS type interface . The intention is to maybe create a WIFI/Cellular based Network...
Hi,
I am testing ble_app_att_mtu_throughput in SDK 14.2.0 between two nrf52832 DK board. One is act as a central and other one peripheral. I am placing these two boards...
