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...
My boards are getting manufactured and now i realised that:
I'm using lfclk crystal oscillator part no#: ST2012SB32768E0HPWBB is having power rating of 0.5μW, where as...
Hi，I have a question.
the PCA10005 board's P0.17(Or other pins) connected to 2.8 v voltage,but the Vcc is not connected,and the PCA10005 GND connect to 2.8V GND.The PCA10005...
Hi,
I'm using the S110 v7.10 to implement a service with an RACP, amongst other things. I'm supporting multiple transmissions per connection interval. This is working fairly...
i have nrf51422 v2 and it can use s110 v7.x.x
and when i go to download s110 v7.x.x but there is nothing for nrf51422 v2
softdevice s110 v7.x.x is for nRF51822...
i have nrf51422 v2 that there is noe example for it and i dont find any softdevice hex for it .
in keil package there is no template for sdk 6 that work for me
please...
Hi,
I've been trying to send a batch of data from 2 nRF51-DK boards, peripheral to central, and it seemed that there is a bottleneck on BLE since the buffer on the peripheral...
Hello all,
I use the relay function of the S130, and want to do a two-way data communication.
I can relay the data of peripheral to central with sample code.
peripheral...
HI ALL,
there is a sentence here 'Handles HVC events from the BLE stack.'
i am a newer here, please forgive of my silly question.
what is the HVC mean ?
thank...
Hi
I am using the nrfjprog.dll to program my UUT (nrf51822) during our production PCBA test. Apparently this is a bad idea to use this dll since you sometimes change the...
I found a possible bug in device manager in SDK 8.1.0 for S120. If you set for example DEVICE_MANAGER_MAX_BONDS 2 and try to bond another device, you get "No free connection...
hi
im using one of SDK Example and it stuck in this line of code
// Initialize SoftDevice.
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_75_PPM, NULL);
in this...
I have a UUID in which bytes 12 and 13 are not 0. For example, I have something like this
*addr = 87000d1f-1234-5678-9abc-123456789abc
When I use sd_ble_uuid_vs_add(&addr...
Please consider the images bellow, which can also be found here and here . The images represent the structure of a BLE packet, and the units used are bytes. The question...
Hi there,
I have tested out the BLE-NUS SDK firmware on the NRF51422 SDK Board, and it responded well. When I ported the exact same code over to my custom board, I received...
Hi,
I noticed that I can't bond successfully with my device using iOs 9.1 with Nrf Master control panel iOs app. When I insert the PINCODE, the device immediatly disconnects...
