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...
Hello!!! Please tell me why for example Bluetooth or Bluetooth 5 Mesh would be better in living rooms (buildings?) than Sub 1 GHz (868 or 433 MHz for example) such as Sub1...
ADS1118:
How can I recieve the first 16 bits getting transmitted by the slave ? Will MOSI clock out p_txBuf while storing bits to arr_rxBuf if I set TX buffer len to...
It looks like the random number generator is relative slow as implied by the documents. I wonder if it has been spec'ed some where? Exactly how much time does it take to generate...
Hi Nordic,
I would like to be able to connect to a Mesh node server from Mesh SDK light control example, add a service with a characteristic and change the characteristic...
We have been utilizing NRF51822-mKIT for code improvement and as of late got NRF51822 Bluetooth smart beacon kit. There is want to utilize NRF51822 Bluetooth smart beacon...
Hello,
I would like to provide an alternate mechanism to start the DFU process. Is it possible to call ble_dfu_buttonless_on_ctrl_pt_write() directly to kick-off the operation...
Dear all,
As some of you have pointed out, if we want to perform DFU and having a watchdog running, the boot loader should embed a watchdog feed. I have successfully managed...
we have used the NRF51822-BEACON KIT EVAL BLUETOOTH SMART BEACON which includes RGB LED, but cannot find a non dev kit model with RGB LEDs . can you recommend one with either...
I am using NRF52 SDK14.0 and SoftDevice S132 v5.0.0. I am using GPIOTE low level port interrupt to wake the system from SysOff mode. If SoftDevice is enabled and I put the...
Hello,
On Nordic Studio, there is a fairly well documented NUS (Nordic Uart Service) that provides a read and write characteristic, and it mimics uart. Data written to the...
I have a BLE device "Masimo" and I'd like to download its data in real time through BLE notifications.
This device comes with an Android App which is able to download the...
Hello,
I have a problem with writing to server characteristic (battery service and custom). sd_ble_gattc_write function returns 0x11 which means another write with response...
Hello,
I am using sdk12.2.2 and pca10040. I want to add uart drivers in ble_app_template code so that I can use printf to get my data on terminal. Unfortunately I am not...
I AM USING SDK 12.2 AND IT IS RECOMMENDED TO USE FSTORAGE. But i found no function to read unlike pstorage_load . so can i use pstorage instead of fstorage will it cause any...
