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 all,
i want to know answer related to following question
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there will be change...
Hi there,
I'm using MacOS Catalina 10.15.6 and nRF52840-DK (2019.9) for the Sniffer. My PCB is running BLE on nRF52840. The hex file used for the sniffer is sniffer_nrf52840dk_nrf52840_7cc811f...
Is there a Hardware Design Guidelines white paper for the nRF52840? I'm looking for something similar to what is available for the nRF9160. For example, this:
https://infocenter...
when I used simulator in keil5 for NRF51 software debug, there is a problem : *** error 65: access violation at 0xFFFFFFF4 : no 'write' permission. When I used the keil5 command...
Hi,
I am using nrf52840 DK and SDK version 17.0.2. I want to write data into particular address location(application area) of the flash using fstorage. It is writing the...
Hello ,
On NRF52840 DK my logger works fine and I get no problem with printf(). However, on my custom board the program goes into hard fault with the following :
0x4001...
Hi there,
I'm using nrf52840 DK and Custom board, SDK 15.1.0, Segger Embedded Studio(SES v5.20)
my issue is when i receive data from uart interrupt based on serial uartes...
Hello Guys,
I'm developping and st7789 IPS screen driver and i'm having problem with SPI0 . I'm using NRF52840 DK 2.0.1
First I took SPI example from sdk 17.0.2 configured...
Hello All,
I am using SES on BMD340 controller with FreeRTOS project.
After few modification in the code, I am facing *.elf doesn't exist during linking stage. There...
On a nRF52833 on a custom PCB, due to space and allocation limitations, I need to run UART Rx and UART Tx over GPIO pins that are limited to standard drive, low frequency...
Dear all,
I have a NRF52832 module (EBYTE E73) and before yesterday, everything was fine.
We had a outdoor test last week and till then, everything was fine.
After...
I've tried this with both 1.5.0 and 1.5.1, with the same results. I install the SDKs using the toolchain manager, and when the installation finishes I open a bash shell, also...
I'm learning how to use OTA DFU on Win10 laptop. I followed this and this guide step by step. I have a couple of questions:
1) (See below code) How to use " arm-none-eabi...
I've recently purchased a Thingy:91 and wasn't able to update its firmware via nRF Connect. I'm guessing this is because that there is no MCUboot on the Thingy:91 that I have...
Have a USB powered Chengdu Ebyte nRF52840 Dongle (PCA100059-style) that has the following:
- USB 5V
- VBUS pin : connected directly to USB 5V
- VDD pin: not connected...
