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...
Hello,
I am currently working on nRF52840PDK baesd project, where I want to use BLE using RIOT OS. So, please can you provide any example for RIOT OS based BLE or any details...
Hello all ,
I am using nRf52832 and i found PWM conflicts with Softdevice: We were able to create a sample PWM application which works fine independently. When we merge...
I'm developing a system which consists of 1 or more remotes (3 or 4 max) that have to communicate with a single host.
I need a fairly simple protocol, low power optimised...
hello all,
I am using nRF52832 and blow is my querry.
Implementation of power ON/Off feature:We are able to put the board to system ON low power and System OFF low...
I am using radio notification to change every advertisement packet. Here is my code:
static void on_ble_radio_active_evt(bool radio_active) {
if (radio_active) {
advertising_data_init...
Hi all!
I'm trying to move to SDK 14 with some project.
if NRF_SDH_BLE_GATT_MAX_MTU_SIZE = 23..70 all works good.
if NRF_SDH_BLE_GATT_MAX_MTU_SIZE > 72 exception happens...
Hello, I am investigating the possibility of integrating the DTM functionality into our app (which uses the softdevice) to allow us to use a single image for production testing...
Hi,
I am using the SAADC example in SDK 12.2.0 together with SoftDevice (S132, v3) and its working fine without any problems. As a modification, I want to uninitialise...
After calling sd_ble_gap_connect() at an arbitrary time, how does the central actually connects to the peripheral?
Assuming the client probably listens only at certain times...
Hi all,
Is there a way to change the UART pins configuration to bypass the segger jlink debugger on the nRF51/52 devices? I would like NOT to use this debugger chip for...
I am trying to receive a string of 708 characters via BLE. As BLE cap a maximum of 20 bytes per transmission, at the mobile app side I break the data to be send every 20 characters...
Hi All.
I wanna to continue Advertising during peripheral connection due connectable ADV prohibited if Peripheral connection established for nRF52840.
Is it possible to...
I'm trying to print a 20 byte array over uart before sending it on BLE. My array contains:
{0x34, 0x12, 0x00, 0xFF, 0x00, 0xFF, ..., 0x00, 0xFF}
However when I try...
Hi, i am actually working on a smart lock and i want to implement an Automatic Unlock.
This functionnality can be really useful, because the door unlock even if your smartphone...
Does the ACL peripheral protect flash from Read/Write/Erase of CPU and all peripherals? or just CPU? or do some peripherals have a privileged access? (such as the CryptoCell...
