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 everyone
We have a custom made board with NRF52832 chip. We are send it to FCC test lab and they told us the occupied bandwidth (OBW) is too small, 940kHz less than...
Hello,
has anyone tried new v1.1.0 for nRF6707? If I change the window size to more than original 2.0s, GUI becomes very laggy and it is very hard to stop the recording ...
Hello,
I've been trying to test DFU over UART which has been added in SDK13.1 but after following every resource I've found I always end up with DFU not working
The...
I found this question which partially answered what I am looking for:
devzone.nordicsemi.com/.../
Essentially, if I am creating a new project with my main.c file and...
Hi I am trying to design a custom BLE board using NRF52832 by following the reference layout.
I am new to RF design and I have got a few questions that I would really appreciate...
Hi
I'm trying to implement DFU in my project. So far, after I sending 01-04 to the control point characteristic(1531)，I can get bootloader signal, to be exactly, i can enter...
Hi,
Can we interface a smbus based sensor with NRF51 or NRF52? The only difference between smbus and TWI is the minimum speed requirement which is 10Khz if I am correct...
Dearl all,
I want use the eclipse and gcc together to program the board nRF52840 Preview DK. I was following the tutorial devzone.nordicsemi.com/.../.
I followed the...
Hi,
I'm using nRF52832 with sdk 13.0.0(softdevice 4.0.2).
I had trouble to connect nRF52 and some android 7.0(or upper version) smart device.
I tested samsung galaxy tap...
Hi All,
I am trying to get the serial DFU working with nRF52832 development kit with SDK 13. I am able to get the bootloader flashed and have installed the nrfUtil tool...
since im working on sdk9... advertising program(hello world).i wanted to generate a random address .but i couldnot complete it sucessfully.can you please help me in providing...
Hi
I'm trying to create a DFU package for a SDK11 (insecure) DFU
For just the bootloader I have this syntax in my makefile
nrfutil dfu genpkg --bootloader $(OUTPUT_BINARY_DIRECTORY...
Hello all,
I started working with nrf51 series on mesh networking as i am new to this i want know whether the chipsets will come with preadressed? as it require to adress...
Hello,
recently I was going through this and the following statement concerns me:
First of all make sure you have a
recent Linux kernel installed (at
least 4...
