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 know there are some questions about this already but I could not find a solution.
I'm adapting this example for my internship. I'm currently testing throughput...
Hi,
So, we have got some requirements and would love to hear some suggestions or guidelines in choosing the a Nordic module and protocols that would get the stuff done....
The Bluetooth specification states:
If more than one Characteristic Presentation Format declarations exist, in a characteristic definition, then a Characteristic Aggregate...
Hello,
we want to add to our in-production solution the option do DFU OTA.
So we followed this step-by-step guide: https://devzone.nordicsemi.com/b/blog/posts/getting...
I'm curious about the CPU lockup reset. We have a long term test with 9 units running identical firmware on identical hardware; line powered, running continuously for 6 months...
Hello,
I have a problem with turning on notification on a characteristic so I can start receiving data.
I am using a nRf51 dongle as a client device, using softdevice...
Hi, I would like to establish services with following security permissions in a Bluetooth 5 peripheral: Currently I use the NRF52-DK and SDK 15.2 Service A: Security level...
I'm trying to adapt the secure_bootloader example for our custom board with a nRF52832 QFAB with 32kB RAM and 256kB Flash, following the information in this thread:
https...
I'm building a project on top of cli examples:
<SDK>\examples\peripheral\cli
<SDK>\examples\ble_central_and_peripheral\experimental\ble_app_interactive
My goal is...
Hello
I need to setup the the PWM peripheral@ 8MHz with one selectet Channel in DMA mode. For development, I am using the NRF52840 Preview Dev Kit PCA10056 (Q1AAAA). I did...
I have one question, if Nordic can give some confirmation, that Nordic chips can be used together
with Murata XRCGB32M000F1H00R0.
Customer just asks for that I don’t...
Hi,
In my project NRF51422 need to communicate with two peripherals which are supporting only UART communication.
please help me if there is any possibility.
Thanks...
I'm use the app_button lib to deal with button event ,things go well, I assign the push ,release and long push event to button event .
But there came a situation,while the...
I have noticed that when I run in release mode, turn WDT on, write bonding info, clear bonding info, and reset, my application suddenly uses 2mA more and takes 5 minutes ...
