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...
NFC samples in latest SDK 11 are working well when using Keil IDE. But there is no correct functionality with IAR. Samples compile well, code can be flashed and runs. But...
Hi
I want to calculate the estimated current consumption referring to nordic documentation .. In fact i can't pick how much time each stage ( A, B, C, ...) dures.
Any...
Hi,
Please share nRF51822 observer mode power consumption profile plot to get complete power consumption during only receiving mode.
See below plot for advertising mode...
Hi.
I'm little baffled by the example. Out of box it doens't add the alert notification service to gatt service list in advertising init. Nor I cannot see it with nordic...
As i recently wanted to have a timer as a class member and a naive
class Foo {
APP_TIMER_DEF(my_timer);
};
did not work I started to look into the source code....
Hi,
I'm trying to configure the SPI by using the nrf_drv_spi. the problem that I'm facing is the configuration of the "spi_config.SPI_CPHA = SPI_CONFIG_CPHA_Leading" which...
Hi!
We are using ble_radio_notification for changing the advertisement data after every advertisement.
The problem is that it doesn't work, the device freezes when trying...
I have designed a custom PCB with Nrf52 for an ECG wearable sensor application and is trying to optimise the power consumption of the device. The application is to collect...
Hi.
I'm currently trying to scan beacons with timeslot example.
However, I found that there're more than 20% of loss while scanning beacons broadcast.
I think that...
Hi, I tried Adding another service to the LBS Program, but the chip is getting reset , i have another 16 bit uuid service with different base uuid, Its getting stuck at SOFTDEVICE_HANDLER_INIT...
hi
im using nrf51422 v2 with external sdk v6 with softdevice v7
im running one of example that its name is ble_app_template and when i run it , it show up for just one phone...
hello,
I want to change the advertise time out time by BLE_GAP_ADV_TIMEOUT_LIMITED_MAX.
Is there a problem with changing BLE_GAP_ADV_TIMEOUT_LIMITED_MAX to ex. 1000sec...
Hi,
I can use nRFgo Studio via nRF5x Bootloader to update application firmware(Hex file).
It look to be using "nrfutil.exe" to create a XXX.zip file and go through UART...