Hello,
I established a connection between my central and peripheral module. Now i want to write characteristic value on peripheral. I tried with sd_ble_gattc_write function...
I am using the NRF24l01 for my products and looking to buy in bulk(100-1000). Now I know where to buy the just the IC but antenna design is a hard point to break right now...
Hi, my friend,
I've been with nrf905. I use a 16-bit CRC check.
But I encountered problems in use:
1.Nrf905 16-bit CRC check format is CRC-16(IBM):X16+X15+X2+1 or other...
I have two custom PCBs, each of which has a microcontroller and an nrf24L01+. Everything related to the transceiver in the designs are complete duplicates (with the exception...
Hello,
I've built a small BLE-device based on the nrf8001.
With my Iphone I can discover this device and I am able to connect to it and listen to notifications of the...
Our pcb is used for gps location data. We have a nrf24L01 nordic chip as the micro process or between the gps module and wireless module (2G). Our engineer needs to capture...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
We wanted to update the firmware over the air, We needed help for zip file creation(.dat file, .bin file and .json file). There are many links online, We needed an link which...
Hi,
I'm developing to NRF81522 mcu, using a softdevice S130.
The MCU is connected to another device through the UART peripheral.
I'm encountering the next problems...
Hi,
I am getting data from sensor and want to replace some new data with the older one in flash using fds. Right now,firstly i will write into flash by using one different...
I am using the nRF toolbox to upload bootloader and firmware to a hardware project. Our project requires the number of packets (found within settings > nRF toolbox > Number...
Hi,
I am trying to flash the blinky example from nRF5_SDK_12.0.0_12f24da, the program compiles and is also downloaded to the NRF52 DK successfully. But the LEDs are not...
Hello.
I´ve got problems with a via BLE connected IMU and data transfer over UART.
I´ve now tried several methods to implement UART connection but with the given baudrate...
Getting the error when trying to compile the C++ project with SDK 12.1.0 :
In file included from .../components/softdevice/common/softdevice_handler/softdevice_handler...
We followed this link devzone.nordicsemi.com/.../ , we loaded zip file in mobile(android 6.0.1). We are able to select device, we are not able to select file(Zip). The issue...
as I found the sample code in sdk12 , the bootloader is quite different with bootloader in sdk11,
event uuid has got changed, is it possible to be compatible?
dual bank...
Hi,I'm glad you can see my post.
Now, I am in a program to read and write FLASH such as the screenshot in the attachment.
Then I update with DFU service for the equipment...
Hello to everyone. I'll need to use ble things with pwm. I'm trying to play around with pwm library it's ok, but it's build only on erased chip, trying to flash it into chip...
I try use the FICR information to identifier nRF51. but found some interesting staff when i read 0x10000000 first 16 bytes by SWD memory read.
when I power on read. it return...
Hi,
I started my project from the “BLE Characteristics, a beginner's tutorial” I download this project and add it to my SDK_11.0.0_89a8197 .
Then I started to modify the...
I am using the FDS functions to save needed data to flash and retrieve it when needed. The init, writing, and reading all function correctly. However I am running into trouble...
