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!
Using SDK 14, nRF52382, used ble_template to develop a custom app.
I have problems with BLE_GATTS_EVT_WRITE not being called.
I do not use auth. My custom ble sevice...
Hello everyone! I am working with 2 board nrf52840 with BLE_Blinky_example. When I press button1 on client board, LED1 on sever board is was toggle. I think that : Client...
Hello, I'm practicing this blog; Segger Embedded Studio - A Cross Platform IDE
on the following environment.
64-bit Windows 10 desktop
SEGGER J-Link 6...
Hello,
In our product, we would like to select LFCLK from the following choices instead of external XTAL.
NRF_CLOCK_LF_SRC_RC
NRF_CLOCK_LF_SRC_SYNTH
However...
Hello developers,
I am developing a smart padlock using nRF52832 SoC and plan to launch it on kickstarter. By far I have successfully made prototypes using HRM code as...
Hello everyone, I've been trying to solve this problem for several days.
Hello everyone, I've been trying to solve this problem for several days.
I have developed a custom...
Hello!
I make peripherial device with some custom services. It is connecting with smartphone. i need secure access with it with passkey (pin code).
My last result is when...
I have one Service UUID and its only two characteristics UUID which is Tx (App to BLE) and Rx(BLE device to APP) to get different type of data e.g. Heart rate, Sleep data...
Thanks for your help עוטד. I want to use BLE / beacon technology in order to track items that pass-by in high-speed and close proximity (0.5m). This means I only have a few...
Hi,
I am using ble_app_hrs_c as the base for central. I have included 5 characteristics in the peripheral and central side. How to make ble_nus_c_rx_notif_enable() to notify...
ble_gap.h Hi,
At the moment, when a link loss is detected (in a connected mode), it takes around 3 seconds for it to be identified (with DISCONNECTED event). Is there a way...
Hi,
We are using system-off mode to save power in our device which uses nrf51822 chip. Our application requires regular wake-ups using RTC interrupts.
But the wake up...
Hello!
I know that nrf51822 beacon advertising packet consists of the following seven data fields:
Vendor ID
Service
Data payload size in bytes
UUID – manufacturer...
I would like to develop a BLE keyboard using nRF52832.
If you know the example source code, please let me know.
And can USB BLE Dongle for Desk-Top PC use the following...
