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...
Hello,
I have developed my own iOS app which is capable of DFU update different devices with nRF51 and nRF52 chips.
Using only APP file (both .hex and .zip) works perfectly...
Hello,
I' trying to switch from keil uVision to Eclipse, but it doesn't work as intended. I can't debug them (hrs with and with out dfu), but the Blinky example works...
Hi,
I'm working on a custom application using two microcontrollers a pic32 and a nrf52832, I require the pic32 using an external flash memory to read the binary file stored...
I'm interesting in knowing a little more about the "address match" output of the nRF905 chip. What is the expected jitter related to the actual radio signal?
E.g. If I...
Using softdevice s132, nRF52832 on a custom board
I don't quite understand how does the SPI work exactly?
I am using it on a battery powered low power sensor application...
Hi,
We are unable to run testing with Nordic nRF52840 preview DK boaed as it is not able to be put into DTM for RF-PHY testing.
I need the hex file to flash and the...
In the nrf52 specification:
"The Phase A, Phase B, and LED signals are mapped to physical pins according to the configuration
specified in the PSEL.A, PSEL.B, and PSEL...
Hello Everyboby,
I want to know how to configure can use Public address for advertising when using nRF connect APP? Now, I just can use Random address for advertising...
Hi,
for production purposes, we need to define the components of our circuit. Less specific definitions of the parts are prefered to ensure the interchangeability of common...
Hello is it possible to send message from nrf52840 to nfr24L01, I tried (pca10056 as transmitter), program is esb_ptx_pca10056 and nrf24L01 as receiver, but could not receive...
Hi,
I would like to create a DFU package for updating an application config flash page.
We have a device where the device reads some configurations from a specific flash...
Hi Team,
Scenario-1:
There is a use-case where 8 to 10 peripheral devices need to be connected with the HUB which is based on nRF52810 and a mobile device should be...
I'm working with nRF52840 on a battery powered device , as a result theres a constraint in the total power of the cell . Now , it's been decided to use the USB2.0 at full...
Hello,
I have a problem with communicating with SD cards ( https://devzone.nordicsemi.com/f/nordic-q-a/34401/fatfs-example-does-not-work-with-every-sd-card ). I resloved...
Occasionally, the NRF_LOG output just keep putting out random old log data. I have enabled the timestamp so I know they are old data. Once it happens, it just stuck in an...
