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...
I'm trying to add buttonless dfu to my app using the example from SDK14.1. It seems no matter how I adjust the memory I'm getting a NRF_ERROR_NO_MEM from ble_dfu_buttonless_async_svci_init...
Hi,
I have couple of questions about provisionning/configuration process:
1- I'm scanning with my phone and many ble devices show up (my devices and neighbor devices for...
Hi,
For my project I'd like to be able to remove GATT services/charactertistics. Is this possible? I can understand not being able to remove single services, but is it...
Hi
The application I'm currently working on has three debug settings:
DEBUG preprocessor symbol
Optimization level 0
NRF_LOG at debug level (using RTT)
...and...
On my custom board I have a button BUTTON_1 in between supply voltage (Vbatt = 3V) and input on nRF52832 - therefore input will receive 3 Volts directly.
I have configured...
Hi,
I am developing a code in which, among other things, when a button is pressed, a led turns on. In the same button handler, a timer is started to turn the led off a bit...
I'm trying to evaluate throughput performance of our BLE application which operates in conjunction with the Apple platform. I would like to know if there is a way that I can...
I created a system some years ago that worked the way as the title suggests using classic bluetooth, and a cheap chinese module (HC-05) with custom firmware. Now I want to...
Hello!
I'm having some problems with Keil. It does not seem to have the board (52DK / nRF52832) installed. I've installed Keil 5.25, and in the pack installer I've added...
Hi to all,
i am developing a device with nrf51822 soc, i want to read some data from flash storage of nrf51822 then forward it on ble, i implemented a code for this job...
hi,
I used nRF52932QFAA ,SDK14.2 uart bootloader.it works well with softdevice loader 5.0.0.But when I download my app(without softdevice),it cannot work.
Flash composed...
Hi!
I am using SDK15. I am developing application which is mainly based on ble_app_uart (with NUS) service. NUS service consists of two characteristics: - RX Characteristic...
What Bluetooth SIG fees are required for a product that includes the Nordic nRF52840 chip?
What about for a product that includes a 3rd-party Bluetooth module (that contains...
