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...
hi:
In my extent application, I would like to save other data which is got from BLE to flash memory with different parameter(block size, block count) using pstorage. Could...
Hi Engineers!
have a question about V/T/QFN package version instead of AQFN.
We prepare our PCB (China) for mass production so, need to understand possible packages...
I am following the example at infocenter.nordicsemi.com/index.jsp
The following line is giving me the error "Error[Pe065]: expected a ";":
NRF_QUEUE_INTERFACE_DEF(uint8_t...
Hi all
I'm working on a custom board using gcc and eclipse.
My primary problem is I'm fighting with the ld settings for the secure bootloader.
I activated the RTT which...
Hi,
I want to write calibration and configuration datas in to flash and read it back. By using sd_ble _flash_write API function , I can write up to 520 words(520* 4 bytes...
Hi, all!
nRF51822 had been used in my project, because of dual bank bootloader and softdevice, the
internal flash memory was not enough for the application. I want to...
Hi there,
I need to add more the function based on Bluetooth, and I need the better security of the function. However, I do not want others read flash data freely and I hope...
Hi
I'm preparing for some tests and I'm wondering where I can find information about what the expected percentage error rate should be?
Right now with 2 nrf boards connected...
Hello to all nordic jedi masters!
I have made an observation, on which I would like your confirmation.
My combo is: nrf52832 + SDK 11 + SD132.
Will my application ...
I'm currently writing my thesis, and my goal is to establish a network protocol like IP. We need to transmit about 200kB of data between 2 or more nodes once every 10-30 minutes...
I am programming a device with a NF52 that uses a hall effect switch o enter/exit sleep mode when BLE is in advertising mode. When connected, It will generate a separate BLE...
