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 had some troubles getting a custom HID device to work that has both input and output reports to Windows 10 host. Here is my working example template that might save...
I successfully created a custom model (by modifying the generic on-off model) and implemented it into light_switch client and server examples. The goal was to send and receive...
Hello,
I have implemented functionality that enables me to send messages back and forth between two nodes in the network with a timer (both nodes has a server and client...
Hi I have been using the https://infocenter.nordicsemi.com/pdf/nRF_Sniffer_UG_v2.2.pdf I wish to program my nrf52832 device with a hex. Using the j-link commander tool. i...
Hi - I built and flashed the ble_app_interactive example from both SDK 15.3 and then from 16.0 on to my nrf52840 DK (PCA10056). I connect to a Thingy52, issue the gatt services...
Tried with PCA10036 and PCA10031 on Windows 10. Both show as JLink CDC UART Port (COMx) in Device manager. Tried different versions of WireShark. Tried to erase and copy new...
Hi,
Using SDK 15.3.0 , example "ble_app_hrs_freertos", pca10040 with armgcc.
I want to increase MTU and GAP data length.
I started with MTU to 247, and when I try to...
I'm using SDK 16.0.0.
I wish to use two MEMS microphones to record audio over the I2S interface, and then send it over Bluetooth.
What is the best library to use for this...
Hello,
I have had issues in the past with twi manager causing ANT to drop out. These problems are ongoing despite me taking action in hardware to improve power supply (e...
I'm debugging on an nRF52832 (nRF52-DK, non-preview) using the ARM GCC toolchain and GDB under Eclipse on Ubuntu 14.04LTS, set up following the devzone tutorial .
At various...
When calling sd_ble_gap_connect(), and providing a whitelist, what is the expected process for establishing a connection, as far as timing is concerned? Will the device scan...
nRF52840. In case of standby current (battery only)
Measured as follows:
With only the battery connected, the same current draw as the one attached. Is there any...
In my DFU bootloader I am protecting areas of Flash memory used to store user data.
After an update, when my application starts and tries to write to this memory it is causing...
