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 Nordic team
I have successfully programmed my PCA10056 for example light-switch and they running well. Right now I wang program my PCA10059 for a server of example light...
Hi,
I tried to use latest version of nrf sniffer v2.0.0 and i received ERROR: packet creation error as you can see in the log below.
INFO: kwargs: {'callbacks': [('*'...
Board: PCA10040 (NRF52832)
Compiler: GCC
SDK: 14.1
I'm trying to add the buttonless DFU service to my application and I've had several issues.
First, I have a...
Hello,
I want to transfer data from nRF52840DK to nRF9160DK using SPI. I want to use nRF52840DK as master which will transfer the data and nRF9160DK as slave which will...
Hello,
What happens with the LPN firmware if it currently has an IV index of 0 and loses power for an extended period of time. When it gets power, the network that it is...
Dear All,
I am using the example UART in Peripherals
I can send data easily but have problem in receiving data. When I try to receive data the UART Fifo Event handler...
I looked through the example projects provided in the nRF5 SDK for Mesh, and the only models ever used are generic on/off or generic level. Do you guys have an example which...
Hi,
Sorry for the seemingly simple question. I'm using the nRF52832 chip and I have a 4xdip switch connected to P26, P27, P09/NFC1 and P10/NFC2. I can successfully read...
Hello,
I recently updated the asset tracker on my thingy 91 with the lastet available pre build firmware (2019-11-29_d3130d77) using MCUBoot.
Since my Thingy91 is only...
I started with the mqtt_simple example.
I added:
#CONFIG_MQTT_PASSWORD="pass" #CONFIG_MQTT_USERNAME="David"
to the prj.conf file. Relaunched the project which rebuild...
As a matter of fact that there is no special EEPROM in nrf52832 , the user data which need to be stored in nrf52832 should be written into the flash of nrf52832 . The SDK...
When debuging nrf52832 , the code can be flashed into the flash through JTAG . However , I need to reprogramme the nrf52832 through UART interface . It seems that there is...
Hello.. I use RNF52840 Dongle. I compiled the blink example with VS code and I programmed with nRF Connect tool.
now I can't connect the USB device. I read that I had to...
Hello,
I am currently aiming to create an application for the nRF52-DK using the nRF5 SDK and Segger Embedded Studio as my IDE.
Due to the SDK itself being extremely extensive...
Hello ,
I have been trying the Zigbee CLI light example.
And I modifed the main.c file to have the network saved "ZB_FALSE" and then flashed the updated hex file to 52840...
