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,
I am planning to design a custom board using nrf52840 Soc which receive analog signal from sensor and send ADC outputs through UART to smartphones using Bluetooth communication...
Hi, Everyone
I use sdk15.2 & nrf52832
I am doing a test to read the slave address in TWI
There is one slave device on the board and the slave address is 0x68
I used three...
I am working with SPIS example ( sdk version 15.3). SPI master send data regulaly. For example, it sent 5ms cs low, but there are only two bytes transferred, the first byte...
Hi,
I'm working on a project that is using the the freeRTOS and I want to use the NFC pins P0.9 P0.10 to drive SOFTWARE SERIAL UART with a timer like TIMER1, when I try...
iPhone 8 Plus with nRF connect App[iOS], does not shows BLE 5 beacon in scanning, it only scanning BLE 4 beacons, In Spec of phone it shows it support BLE 5
nRF connect...
Hello,
I follow the nRF Connect SDK on a Windows 10 x64 computer and it's a crap. I get a lot of errors like this one. It's so crappy that I doubt that I will continue with...
Hello,
I am not able to send a command from the BLE (52810) to a DSP over UART which are on my custom board. I have modified a program that uses UART for logging purpose...
The s132_nrf52_7.0.1 documentation says: Call stack: The SoftDevice uses a call stack combined with the application. The worst-case stack usage for the SoftDevic e is 1.5...
I am doing a program based on Current Time Application example. But I have a few questions, so I hope you can help me. First, I am using Battery service together. By the way...
Hi,
In our current project we use nordic NRF52832 ble to send some data(~200 Byte / packet) to host, we expect each transmission to be done within 10ms, but results from...
Hello. nRF52 A custom board is being developed. I want to use Crypto Chip Pulse to encrypt. Pulse_Out of Crypto Chip is connected to P028/AIN4. In order to measure Pulse,...
I'm using \nRF5_SDK_15.3.0_xxxxx\examples\peripheral\usbd_ble_uart example to use two communication links. Missing echo on the USB virtual COM is a small frustration. I've...
Hi NordicSemi
I have a project where we receive data via the UARTE. To avoid missing data caused by higher prioritized tasks we want to use the DMA facilities.
nrf52832...
Hi,
i want to flash programs with the Segger Embedded Studio to my Thingy 91. I already am able to flash hex files with the nRF Programmer to the thingy 91. I installed...
