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, I am looking for the test report on the bluetooth emission of the NRF52832 that we use in our product. Could you send it to me by email? Thanks,
Emeline
Greetings,
I have been using the nrf sniffer and Wireshark successfully for for the past month or so. Today Wireshark stopped filtering for the device(s) selected in nrf...
Nordic Team,
I was hoping you could create a similar post to devzone.nordicsemi.com/.../ but one that was dedicated to possible improvements and feature requests. This...
Do you have any recommendations on measuring the voltage of a lithium battery (e.g 4.2V) using nRF52?
Obviously you can't measure directly as Vbatt > Vdd.
To use a simple...
Hello,
I am working on ble characteristics tutorial. (F00D, BEEF example)
I flashed the program and tried to scan my nrf52 DK on my Android phone.
Some parts of my Android...
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...
