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...
I am designing with nrf52832 and experiencing some connection issues at 0C. The system gets disconnected every few seconds with 32k crystal, but no issue with RC oscillator...
Hi,
We want to upgrade our product from SDK9 to SDK12.
I already check the below questions.
devzone.nordicsemi.com/.../
devzone.nordicsemi.com/.../
devzone.nordicsemi...
Hello!
I have
uint32_t adc_value (from external ADC converter)
And try to send it value through ble. My code:
main.c:
....
for (;;)
{
Weighing();
power_manage...
This is somewhat a long story.
I have an app that I've written in mbed compiler (online version). I would like to have DFU.
At the moment, it seems like mbed OS5 does not...
Hi Nordic, I come from this question: devzone.nordicsemi.com/.../
So, my doubt is: what events are triggered in a slave channel while it is not communicating to a master...
good time dear Engineers!
Please explain how to use correctly HANDLE RANGE in functions of discovering.
I use CENTRAL with up to 8 possible connections to PERIPH, so pls...
Folks,
Have a very puzzling problem (which means I must have done something really silly :-)
Built a prototype in which the nRF52 section is a clone of the one in the...
Hi,
My team has created a custom board with NRF 52 and were able to flash the blinky sample successfully. The LED connected to P.20 is glowing on the custom board after...
Hello! I need to start a sequence of 26 pulses after getting low level signal on gpiote pin.
I can do it in gpiote event handler but I need it most of the time so I want...
I've been developing an application using the NRF52 DK and everything has been going as planned. I then made my own PCB which would take these modules by Rigado. The BMD-300...
Hi,
I am creating an application based on ble_app_hrs_c (central role). I have a few questions on this.
o I do not understand whitelist_load(). It first gets a list...
Good morning Nordic team,
I was measuring the nRF52832 chip in DC/DC mode. Everything went just as expected.
Now I was looking at the current consumption when the radio...
Hi guys. I have a EVK_NINA_B1 board which is based on nrf52832 and SDK12. I am trying to run the ble_peripheral/ble_app_uart/ from examples. I can send message through "nrf...
Hello,
I use SDK 11 with nRF52, softdevice s132.
I am able to successfully use the bootloader in serial mode (with UART) to upgrade the application, but an error occurred...
