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 have followed the instructions and have tried with s110 6.0.0 and SDK 5.2. I can compile and download to the board but can never detect under discoverable device onn MCP...
I am running ble_app_uart in my pca10004 board. The crystal configuration is set to 32khz crystal.
But i want to use the 16mhz external crystal for my use ,because my application...
Hi!
(I moved this question to the "Questions" area from another area.)
I am using Eclipse to develop and debug on nRF51 DMs (PCA 10028). I have managed to run and debog...
Dears,
Just one question for RTC.
In SDK9.0, it's possible to control of time to use HW RTC block??
If possible, please let me know how to use it..
Thank you.
Lets say I have 200 bytes of data that I want to store in flash. So, I request a 200-byte block.
In order to store, the area has to be cleared first. As far as I understand...
Using the nRF51-multi-role-conn-observer-advertiser-master project to test timeslotting I have encountered two issues (Softdevice s110 7.1)
Issue #1: Repetition of advertisement...
Now, I need two function add my project (On BLE stack).
Distinguish long/short press at same button.
2.device and master synchronous time.
No.1 question is...
Hi
We have custom nrf51822 board.
in that we have nor flash which is spi compatible.
so in order to read device id i used spi_master sample source code.
i am able...
Hello,
I'll explain my code:
NRF51 takes samples of a sensor every 10 minutes. In addition, softdevice S110 is used... An user can connect at any time, so advertising...
I am trying to implement frequency counting on nRF51822 by counting number of pulses in a given period. I create a PPI channel with a GPIOTE event on rising edge linked to...
Hi,
is it possible to mount a nRF51822 in an aluminum enclosure and use ble?
I am looking for a range of up to ten meters in an open area.
Is that possible or will the...
there is no bin folder under C:\Program Files (x86)\Nordic Semiconductor\nrf51 as described in the docs.
so I'm not sure where the nrfjprog.exe should be
I am trying to better understand how the nRF51422 handles sqrt(n) coming from C in Keil?
Can anyone explain, or link to resources which do? I am having difficulty finding...
Hi all,
It is possible to install and develop projects using 2 SDK versions simultaneously?
nrf51 SDK will be used in the current project and nrf52 SDK will be used for...
