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...
Hai
i am using mbed to program my nrf51822. i need to implement bonding in my application. for that i am using securitymanager. and i have changed DEVICE_MANAGER_MAX_BONDS...
I am facing the same issue regarding to this post "Custom Service Issue - devzone.nordicsemi.com/.../".
At least i could figure out the IRAM1 start and size as explained...
Hi there!
I have been working with serializer and have the below issue:
I am using sd_ble_gatts_hvx() to transfer 20 bytes in burst until I get an error (TX buffer full...
Hi all,
first I have to admit that I'm a total rookie in "electricity". I know BLE software-side but just started to learn the hardware stuff.
I just received my PPK and...
by writing servals data into flash ,the data is always is 0,
void fstorage_test(void)
{
ret_code_t ret = fs_init();
if (ret != NRF_SUCCESS)
{
bsp_indication_set...
HI,
I am using nrf52832 with softdevice 132. Using SPIS1 to get the sensor datas from nrf to AARDVARK for calibration. Whenever I send the data's from aardvark(using AArdvark...
Whenever I try to flash the device in keil, I get a no Jlink device found. I get a similar message when trying to connect to the device via Segger. nrfGo Studio just does...
hello:
i want to use pwm in SDK9.0, in my project ,i need to send a cmd to nrf51822-QFAA,and then it control the motor on ,and with this cmd ,i should contrl pwm to let...
Can I control the music player by simulate a hid device
now our customer ask for a new function--use bracelet control the music player>> last next vol+- ...
but the app...
Hi,
I am trying to develop the ble_app_template project into a custom ble application.
Where is says
/* YOUR_JOB: Declare all services structure you application is...
Hi Dear Engineers!
I use nRF52840 SPI (slave) to communicate with Master (HOST) CPU.
if I stop any ADV / SCAN RF functions all works Great!
But if I start ADV (or...
Hi,
I am having some trouble in setting up the RedBearLab BLE board w/ nRF51822 that i recently bought for a project I am currently doing . I am using windows OS, with eclipse...
Folks,
Attempting to use a sample app from the 13.0.0 SDK for a pointing (mouse) device I'm prototyping, located at ...\nRF5_SDK_13.0.0_04a0bfd\examples\ble_peripheral...