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 all:
I use sdk11.0
<nRF5_SDK_11.0.0_89a8197\examples\ble_central_and_peripheral\experimental\ble_app_hrs_rscs_relay>
this example, scan heart sensor , sdk return...
It would be helpful to know how a packet looks like when transmitted/received from the NRF9E5 chip. I already found the algorithm to build the correct CRC, expected from the...
I have included the DFU service and a custom service in my application. During initialisation DFU service is getting initialised and later down the line my custom service...
Hello,
I have few question please about this example.
m_lesc_private_key looks unused, how to modify source to use a pre shared private key ?
is this exemple secured...
Hi!
We are trying a new module with NRF24l01+. We find a troublesome thing. On this video you can see the RF communication starts and stops with a broad-spectrum signal...
Hi :
In my application, i need to use 2 spi master (SPI0,SPI1) and spi slave the same time, but when i compiled drivers_nrf/hal/nrf_spi.h and drivers_nrf/hal/nrf_spis.h...
Hi. I'm using nRF528332, SDK13, S132.
I'm making multi-link peripheral refering to "experimental_ble_app_multiperipheral".
This example code says as below.
#define...
Hi Nordic,
In my application, I want to consume as less power as I can. In the initialization I have this functions:
static void utils_setup(void)
{
APP_TIMER_INIT...
why not provide the ready-made tools？ like micro_ecc_lib_nrf52.lib and nrfutil.
because it 's really take user a lot of time to built these tools.
thank you.
Im making a project were i have two robots each one with a device connected with a mobile phone. But at same time i want that, when they are near each other they exchange...
Hello ! I'm beginning work with BLE . I have a project in which nrf51 is a central. App from smartphone will sending to central any key for example "3214941E0" when central...
Hello Nordic community,
I have a question about implementing DFU on the custom board. By looking at NRF52 DK and reading explanation in Nordic infocenter, I can see that...
Hi,
I am have a custom breakout board that uses the NRF52832 chip and I was able to program it using the J-link programmer and seperating ribbon cable to expose the Vtarg...
How do I maximize range for BT5?
I have two nRF52840 pdk units and I have loaded the ble_app_att_mtu_throughput app and tried it out. I have been seeing around 70 meters...
Hi. I tri to use my soft i2c lib
It works well at nrf51 and other mcu's. But nrf52 i2c_read doesnt works properly.
Other funcs works well.
When i read byte from i2c slave...
