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
how to connect one peripheral to two central and after connection established sent the data to both central?
I am using nrf52, soft device 132 .
i am able to make...
Hi!
The nrf5340 PDK I've purchased does not have a mounted "nRF USB" (J3) port, only the debug (J2) port.
Is it possible to do raw USB communication with the USBD driver...
Dear Sir.
I am using the Timer of nRF916 .
In a simple project the timer is working fine ( see attached code ).
A buzzer is connected to PWM output pin 12.
I can...
Dear Sir.
Attached a code .
It takes about 20 seconds from power on until the Blue Led is On.
The timing of the Blue Led is about 2 sec , as in the code.
Commenting...
Hello
I use sdk v17 and nRF52DK. I want to use mpu6050 sensor in the example of ble_app_uart. SDK provides a driver for mpu6050, but I am not good enough to use it.
https...
Hi, I'm a beginner with these Nordic DKs. I'm just trying to connect it to my computer and get familiar with the hardware and firmware. However, when I plug in the DK via...
i want to store and retrieve data in flash. i followed steps as in the sdk infocenter but i am not getting the interrupt after fs_store(). Actually return value of fs_store...
Hi,
In my current project based on SDK 15.3 and sd140, I am using nrf52840 in both peripheral and central devices. I need to be able to maintain 10 concurrent connections...
Hi i am using the nRF52dk and i am trying to control a bldc can anyone help me to guide in how i can generate a pwm to get a sin wave
best regards Nikolai
Currently I want to build the light_switch examples from the nrf5_SDK_for_Mesh_v4.2.0 on my nrf52840 dev board but this gives the following error "boards.h: No such file or...
Hi,
I am working on a project of throughput data from sensors to my central via nrf52805 through a notifying service (SDK16.0.0).
Symptom description
We have app from...
Hello,
I want to use I2C slave on nrf9160, but there is no I2C slave driver implementation.
So I read that instead of this, I can use nrfx twis drivers on nrf9160.
I...
What am I missing when
NRF_SPI_MNGR_DEF(my_spi_mgr, 2560, 0);
causes:
../../../../../../integration/nrfx/legacy/nrf_drv_spi.h:120:37: error: 'NRF_DRV_SPI_INSTANCE_0...
Hey all! I have been using your amazing app timer for a while now but I was wondering if there was a better way to create a low power delay than my current design which goes...
