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 found a bug in ble_app_gls example from SDK_12.3.0 / s130.
If user enters a wrong passkey, the app ends in a app_error_fault_handler exception and the central keeps...
I think I found the source of many of my recent problem. The print in Segger is going crazy.
I found out that if I increment a simple variable and print it when I hit debug...
Hi,
I am using the nRF52-DK as a device like beacon encodded with the original code of "nRF5_SDK_13.0.0_04a0bfd\examples\ble_peripheral\ble_app_beacon.
I want to change...
I am beginner of 52832. Current software is based S132 4.0.2 and SDK 13.0.0. Test platform is based on PCA10040.0
My problem is application can not start normally in merged...
Hello,
I am using nrf51 and sdk11. I have one code and I am trying ti build hex or bin file for this code. Now the code size exceeds and so I am trying to build using makefile...
I am learning about FPGA. I have question general question related to it.
Doc1.docx
A FPGA is connected to a 14-bit DAC and to an output amplifier. The DAC have a sampling...
Using S132 v4.0.2, is it possible to disable DLE (i.e. make it NOT set the LE Data Packet Length Extension used bit in the LL_FEATURE_RSP)?
Alternatively, is there a way...
experimental_ble_app_multiperipheral_pca10040_s132 connectivity issue.zip
I’m getting an LMP Response Timeout disconnect reason about 50% of the time when trying to get...
Hi guys
I have been working with a nordic ble device (NRF51822) configured as a Beacon. I am implementing an IOS app, using Apple framework " CoreLocation". My goal is...
I'm looking at using an nRF51822 in a Gazell or ESB application. I prefer not to have any softdevice loaded at all.
What is the correct procedure to perform clock calibration...
Hi
So far I have been using the examples from Keil 5 pack installer.
Now I tried loading some from the SDK example folder and I have issues with includes.
What do I need...
I included button less DFU service in the proximity profile example.When i compile i am getting the following error.
..\..\..\..\..\..\components\libraries\bootloader\dfu...
Hello,
I am working with the example "experimental ble app cgms" in SDK 13.0 and using nRF52832 DK.
when a connection was settup and pairing completed, the CGMS sensor...
I want to ask general question about antenna designing as I am designing antenna to be used with NRF52.
The picture attached with this message shows a printed antenna coil...
