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'm getting an error which says the identifier ble_temperature_t is undefined, and it is showing as an error in the keil (unkown type name). However when I click on the variable...
Hi everybody,
I just received the nRF51822 EK and as I was starting to set it up I ran into this. It took me a while to figure it out but when trying lo load the blinky...
Hello,
I have problems with project making since I started with KEIL uVision 5 (in uVision 4 I had no problems, but see no way to download uVision 4 any more).
I followed...
I am not seeing the nRF51822 as an option when I go to select a target device in Keil µVision.
From reading questions on here I understand that the nRF51 SDK should include...
Hello,
I'm new to the nRF51 modules and I just started with nRF51422 module.
I have Keil uVision v5.11.1.0 with MDK Pro v5.11.0.
I have installed nRF SDK - nrf51_sdk_v5_2_0_39364...
Last time I used Keil µvision4 few weeks ago everything was working fine,
Today I got first a connection problem with keil µvision4 when trying to upload some code, then...
For some reason I get the following error every time I open a project in Keil.
I am wondering if the SDK needs updated?
C:\Keil_v5\ARM\PACK\NordicSemiconductor\nRF_DeviceFamilyPack...
Hello,
I bought a couple of days ago, the nrf51422 Development Kit. It comes with all the items described by Nordic on the website.
Just two questions:
My PCA10006...
Goodmorning
I have few problem with this project. I took the source file from github.com/.../nrf51-ble-app-temp and I modified the main.c to use with S110 6.0.0, nRF51...
Hi,
I am using nRF51822 with Softdevice S110 v6.0 to advertising packets and I would like to know when transmission is over to read some data from external sensors. I tried...
Hi, im implemented several services and characteristics in the nrf51822 with S110, its all working (read, write and notification), tested with an iOS app.
Now i need to implement...
Hi,everyone
I want to make out 4 channel PWM with PPI and two timers , PPI configuration like this,
/* Configure PPI channel 0 to toggle PWM_OUTPUT_PIN on every Timer...
