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 all, I using 3 board NRF52 to demo remote provisioning mesh . But in client , I get debug terminal :
After client hang . Please tell me why and how to use correct
Good evening, I determined the numbers of clocks necessery to fire up an interrupt from an GPIOTE event. My debugger reports 1373 clocks ticks to go into and go back from...
Hi,
What is the maximum ATT MTU size for the BLE NUS?
While programming my BLE NUS server application I constantly ran into the problem that my MTU and length updates...
Hello,
am using the NRF52-DK softdevice 6.0.0 and NRF SDK 15.0.
I am working with PPI, GPIOTE and 2 timers (called timer1 and timer2) on nrf52832
Through the COMPARE...
Hi,
I am trying to use BlueZ in "Raspberry Pi 3B" to connect my 51822/52832 device.
My Hardware is Raspberry Pi 3 model B, and use internal bluetooth interface, the OS...
Hi Nordic gays guys,
After our 51822 firmware added the Service Changed characteristic.The Android OTA GATT_ERROR issue was solved.But there is a new problem in IOS.After...
Hi,
Find big problem with GCC make settings (guess Makefile.common) does not work with SDK 15. with SDK 14.2 same Project works succes.
The Problem : use SDK15 , the...
Hi,
Not directly related to Nordic, but I as many people are doing the same I figured it's fine.
is there any reason why this would not work? assuming the I2C is already...
Hello,
I just bought an nrf51822 evaluation kit and a segger J-link BASE Jtag. I understand that I have to play with the SW4 swith and the U4.
I identified the switch...
Hi
I am trying to setup my raspberry pi to receive message from Arduino using C++ code. I am getting a below error message. pi@raspberrypi:~ $ sudo g++ -Wall -Ofast -mfpu...
Hi I just have a simple question and that's where the code keeps Bluetooth mesh control how many devices it has in its stack that it has provides keys to. for every time I...
hi
sdk 15.0,
IN Multilink, 15 devices is operate normally. However, changing the device to 20 causes problems.
Is there a way to fix the problem?
attached source ...
Hi,
I was trying out the long range example provided on the NordicPlayground GitHub repo, and worked great when communicating between two nRF52840 dev kits. I however noticed...
I know that the the +/-250ppm LFRC accuracy is required for BLE... but is that just for a system that receives data? Is there any need to calibrate for a system that only...