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,
I am working on a school project, and I need to use a nRF51 dongle as a BLE master. However, when I try to use JLinkExe to connect to the dongle, it fails all the time...
Hi am using NRF52 board ...and am trying to send data(which is not a string) using ble_bus_string_send . I send data only once from a one second timer but the other side is...
Hi all!
I'm working on an nrf51822 (technically right now I'm using the PTR5518 as I'm still prototpying), and trying to set up a voltage divider on my pcb in order to...
Hi,I am debuging my programm base on SD-110-V6.0.0 ,sdk-V5.2.0. When I use the
static void characteristic_disc_req_send(const ble_ans_c_t * p_ans, const ble_gattc_handle_range_t...
Hi everyone,
I have a nrf51-dk. I am running Master Control Panel app on my win7 computer. However, I cannot see my nrf51-dk in discovered devices section. Log says, Loading...
I am working on an application for the nRF52 Preview board, using SDK 0.9.2. I need to acquire about five analog samples from a single channel at roughly 100 Hz, then wait...
I use SDK9.0,SD8.0,the device is 51822AC,the device can enter to Bootloader mode.
As it shows below.
Then I selected the .zip file to start DFU
But when it reached...
I'm trying to do all my development on linux, mostly so that I can use a continuous integration environment. I'm setting up a server to compile my firmware app on every pull...
Hello I am currently using the NRF52 DK2 PCA10040 with S132 soft device (nRF52 SDK v0.9.2) . I have setup my code to sample 4 analog pins periodically. I configured double...
Hi everyone,
Well, our device is based on NRF 51822 CFAC MCU. It’s an ibeacon based device which advertises and receives data frequently, and writes data into flash memory...
Hi,
I have a project that uses PStorage and the Nordic UART Service. PStorage is used to store a variable that is updated by the device, irrespective of the Bluetooth,...
Question:
From ble device I have to send some data or character to mobile in connected mode. After sending that data the device is not going to sleep mode while connected...
I'm trying to modify the beacon properties of the nrf Beacon in the nRF Beacon APP but it doesn't allow me to change those properties.
If I use the Beacon scanner the device...
I am trying to find out the part number of the antenna (I assume it is a PCB antenna) used in the nRF51 DK ( www.nordicsemi.com/.../nRF51-DK) . I found a lot of similar questions...
Hi, I tried it from my Nexus 5, using the Android version of MCP. I can connect/unconnect, detect link loss, and (apparently) everything else, but only LED 1 seems to behave...
