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...
hi experts, I want to build a ble center based on s130 to collect sensor data from several peripheral devices. Some of them may not be from nordic solution, such as TI. so...
When I connect to my firmware after cycling Bluetooth on iOS, I am able to subscribe to my Characteristic Indications without any issues. The nRF connect app receives all...
I have two boards, one is official demo board, the other I make PCB board.
I down the open-mesh source code form github.sdk version is 8.1,open mesh stack version is 0...
Hi,
I have to send data with notification from central to peripheral, because I need save some data in peripheral device.
What I have to do ?
I test it on Adnroid 4.4 ...
Hi Sir,
I am working on nRF52832 board with pca10036 cortex M4, and i worked out spi master and slave example code on a same board and configuring spi instance 0 as master...
when using secureDFU with sdk12.2, only changed the mac address.
my application is more than 60KByte,
when i test the firmware for two files, one is 62K and an other is...
hello, im from india im using nrf24l01+ for my project to transmit and receive data between two arduinos. i tried all tutorial basic programs but i cant sucessfully send and...
I made a BLE peripheral (nRF52 + SDK11.0.0 + s132) and have so far been using Android devices (that supports 7.5ms connection events) to connect to it. I want to connect to...
Hello,
We are sharing SPI and we found possible bug in nrf_drv_spi....
The problem was that first SPI is using blocking SPI thus does not use ISR and set it to NULL: ...
Hi, Nordic
I want to add ble_dfu service in my app, my own app will add my custom ble service.
So in service_init() function, ble_dfu_init first callback, then my own...
Hi,
I want to control a g-sensor by nRF52832 via i2c.
I am using an example( nRF5_SDK_12.2.0\examples\ble_peripheral\ble_app_uart\pca10040\s132\arm4)
and I add the app_twi...
Hi,
I use the SAADC to sample 2 pins. I use the nrf_drv_saadc, and a timer to call the sample task.
I was trying out several gains for SAADC and I noticed that for gains...
i have a minor issue with my eclipse setup.
in the BLE_Peripheral_HTS example eclipse can't find the NRF_CLOCK_LFCLKSRC reference. codeline 604 in the main.c
Im using...
