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...
Dear Developer Zone,
I am using nRF51822 with softdevice.
Small question about device reset : To reset the chip, do I need to do NVIC_SystemReset() or sd_nvic_SystemReset...
Hello,I'm porting a freeRTOS project to nrf51822 QFAA with 256k flash and 16k ram. I want to use s130 2.0 sd.
Previously this project was done with s110 sd and everything...
Hello All,
Please find the attached schematic , please review the same and give your valuable feed back , we are using NFC functionality in the same . earliest reply will...
Hi, We have an application with 1 central and multiple (6-7) peripherals. The peripheral is running a custom service and the central is running a custom (central) service...
I try to run UART/Serial Port Emulation over BLE on SDK v14.2.0 with nRF52 DK and nRF Connect on Android phone following link " http://infocenter.nordicsemi.com/index.jsp...
I am trying to run the coap ipv6 based example code provided in nRF51 IOT SDK. I am using my Linux PC along with a BLE adapter as a BLE enabled router. I can successfully...
I came across this a while ago, however it gives no indication as what releases, of Segger J-Link suite, each nordic J-Link OB download has been tested with.
Is there page...
Hello, I am looking for documentation on the Mesh DFU Protocol. It looks like it is the same DFU that the mesh branch of the nrfutil python app is using. I would like to do...
Hi,
I tried to use fs_erase and fs_store functions but they both return the value FS_ERR_INVALID_CFG which means "Invalid fstorage configuration". I'm working on nrf51822...
Hi,
I'm using SDK 14. I started from ble_uart application, and to use ADC as well I ported ble_app_uart__saadc_timer_driven__scan_mode (SDK 13) to SDK 14 (made changes in...
Hi,
I am implementing the whitelisting feature so that the NRF52 only pairs with one phone at a time. We require the NRF52 to advertise for 10 mins but I could only set...
IN looking at CONN_SUP_TIMEOUT below:
It says the units are 10 ms. if you take 4000 * 10 ms, you end up with 40000 ms which = 40 seconds - not 4 seconds.
Also for...
Hi,
As title, I'm the new for this.
I have one 52840 board and several 52832 boards, and one of them(sink) collect some data from other boards by using proprietary radio...
