I'm using Softedevice 6.0.0 and SDK 5.2. and Keil 4.7.
I Modified bootloader project so it compiles with both ble and hci transports. Currently I use button_0 and button_1...
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...
Hi,
I'm trying to compile the ble_app_beacon firmware found in nrf51_sdk_v5_2_0_39364/nrf51822/Board/pca10001/s110/ble_app_beacon with the gcc toolchain on MacOSX, but...
Hi,
I tried ble_app_hids_mouse with Android 4.4.2, it can work properly for first time connection. However, it cannot be re-connected after switching Phone's Bluetooth...
Hi,
Been testing the ble_app_hids_keyboard that comes with the nrf SDK and have some questions.
Notes:
The PCA10001 EK is V2.2.0 (2014.04)
I downloaded the...
Hello,
I am doing some experiments with 2 pca10001 and the ble_hrs example (with s110, s120). As it works well, I would like to mofify this example to fit my needs. I only...
Someone has a working source code (can be Keil format) for the PCA10005 and/or nrf51822-AK (China made) board? I tried the sample at "\nrf6310\s110\ble_app_hrs" but it seems...
The BLE specification core 4.0 imposes certain limitations.
Min connection interval 7.5ms
Data payload on connection 27 bytes (the length field is 5 bits)
What...
Hi all,
I want to add 128bit base uuid for each of my three service,but there is a problem ,I add different base uuid for different service ,but I can only see one base...
Hello,
Please be gentle. This is my first time;) .
I am a retired computer/medical electronics/electromechanical device field engineer.
A friend got me interested...
in sdk 4.3, I used two different ways to know it is read first time(in factory)
NRF_ERROR_NOT_FOUND from ble_flash_page_read to indicated first time it reads
0xff...
I have 3 questions:
1. How to set device to non-discovery mode?
2. Once the device is in non-discovery mode, How can host connect to it?
3. Can I use Master Control Panel...
Hi sir
On your Beacon kit, we found it was used external 32.768KHz at 20ppm.
Question is on iBeacon usage, is a external higher precision 32.768K crystal necessary ? ...
Hello,
I'm working on an ultra low consumption purposes with which NRF51822 commnunique in BT4 with softdevice version 5.2.1.
I compile with GCC 4.7 2013q1. Unfortunately...
