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 am getting device id of peripheral on central and then getting it displayed on hypertermianl hyperterminal using ble app multilink perihperal code with multilink central...
Hi Everyone,
I have what I hope is a simple questions. I am creating a piece of hardware that will act as the peripheral to a central iOS app in regards to a standard BLE...
Is there any construction available in the SDK, to achieve printing functions, with an undefined number of parameters ? The classic example :
#ifdef CONFIG_DEBUG
#define...
Hello,
I've ready the final S130 spefication and it states that the advertiser is started as early as possible and that i runs asynchronously to all other roles. Now I...
Calling app_sched_event_put() from the NRF_RADIO_CALLBACK_SIGNAL_TYPE_START signal handler causes a crash due to the CRITICAL_REGION_ENTER() call inside of app_sched_event_put...
is there any code for device which act as master and peripheral other than nRF51_SDK_8.1.0_b6ed55fnnn\examples\ble_central_and_peripheral\experimental \app_s130_demo\pca10028...
I have a simple nRF51822 BLE application where a voltage is read by ADC periodically, and several values are sampled and averaged. However, from time to time, I get another...
Hello All ,
I am working on nrf51822 with sdk 7.1.0 and softdevice 7.1.0 .Earlier my ble connection was working very good with no disconnection anytime unless i disconnect...
Now I'm working with MCP 3.9.0.
When any device is connected, characteristic default values are not 0's. Can they be initialized in any way? It is a little bit annoying when...
Is there a separate reference resign for the 1.8V of operation (as in case of nrf51)? Or it's implicit and the chip can be powered in range of 1.7V - 3.6V.
Thank you!
I am using nrf51442 as central client.
I have used
SDK\v7.1.0\examples\ble_central\ble_app_hrs_c\pca10028\s120\arm\ble_app_hrs_c_s120_pca10028.uvproj" as a atart point...
Hi All,
I am integrating Johanson's balun and Nordic's L shaped pcb antenna, is it possible to have the antenna connected directly to the balun's pad? as in the below pcb...
The m_client_count is like instantly increased when I power up another (or the first) peripheral.
But with increasing connection interval the time till the central finally...
Hello,
i want to implement DFU with the S130. The problem is, that I currently do not use the device manager because I need both Central and Peripheral connections at the...
