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...
I've used DFU alongside with HRS and it seems to work fine.
This time I'm using a custom service and I'm trying to add a DFU alongside. They just don't seem to play well...
Hi, I successfully modified the Nordic Semiconductor SDK 13's SAADC example adding a feature that performs the FFT of the sample taken and using an RTC is possible also to...
hi :
i following the online LWM2M example document of iot-sdk and setup leshan bs server on ubuntu 16.04 of VM.
i run bs server on ubuntu16.04 of VM and run LWM2M example...
Hi all,
sometimes this events occurs on my code. My start point was the glucose app, to implemented a "just work" pairing and bonding.
When this event occurs a disconnect...
Hello,
one of my project requirement is that i can accept data via bluetooth and rf. i want to know can we use bluetooth and rf in same code. the switching between bluetooth...
Hello there,
While investigating some issues with getting nRF Connect working on Ubuntu Gnome 17.04 , I came across a more fundamental problem.
I now have J-Link V6...
Hi, I successfully modified the Nordic Semiconductor SDK 13's SAADC example adding a feature that performs the FFT of the sample taken and using an RTC is possible also to...
Dear all,
I was following the "Getting started with the nRF52840 Preview Development Kit" page. But when i connect the board to the computer, the board do not appear as...
Is it possible to change the output power of the Thingy to +4dBm and how would one do that.
We are using the Thingy for demos and would like to demonstrate the difference...
Hello:
I have been trying to figure out the proper app ram address base by calling sd_ble_enable.
I am using keil's debug mode, and when the program hit the breakpoint...
Hi, I'm trying to view some logging out put using the segger RTT viwer whilst running keil's debug mode.
I can view some, incomplete loggins in run time (meaning not all...
I find NRF_UICR->PSELRESET[0],[1] can't be written to 0xffff when their values is 0x0015, but the values can be written to 0x0015 when pre values is 0xffff.
so, I can't...
I try to get rssi , but it didnt work. I tried to control what is the problem? , I just want that ; if there is any change , My red led will blink and then I will controll...