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 have purchased a Nordic nRF51 and start to write my firmware using mbed OS compiler. As far as I can see the whole process was working perfectly. I could update the...
Hi,
I have a BLE peripheral with a custom service (using a different chipset). I'm working with S120 as a central, and attempting to read/write various characteristics...
I have previously bought a Evaluation kit, (now obsolete) and registered with it. I have also designed a new custom board with version 3 silicon, but I cannot download v8...
Hii...
Am working on S130 demo example. While going through the code i found that code is implemented in polling method. when i compared with s110 example i found that...
How to flash SoftDevice and Bootloader (OTA enabled) to nrf51822 by CMSIS-DAP programmer?
For instance: I did cmsis-dap programmer with mbed code form github.
Can I do that...
hi,
I am want to communicate with nr52 dongle via serial. The dongle periodically outputs data which I read.
The problem is that is the python connect in the middle...
I'm looking for the set of command line interface for the bluetooth nRF51 sniffer program, such as to list the device available for sniffing. for example the L + . and then...
In the system on low power mode , how and where to change the startup time t1V7 for 1V7 regulator and startup time t1V2 for 1V2 regulator for better power optimization. And...
I know this was asked before, but none of the posts address my problem. There is a similar thread , but the issue on that one was that the softdevice was not being used. I...
Hi all,
I'm implementing a Bootloader with the source code provided no the website (Windows C# app, nRF24LU1 station app and nRF24LE1 device bootloader/app). Everything...
Hello,
When using the nRF Master Control Panel I see other Beacons with "Complete Local Name"... I am building an iBeacon but have not found a way to set the name and have...
The following thread talks about CPU unblocking during connection intervals.
devzone.nordicsemi.com/.../
How does this feature affect BLE Radio Notification? Do...
Hello,
I would like to develop a custom key sharing algorithm for nRF8001 chips. As far as I have understood the only way to use full 128-bit temporary key (TK) is OOB...