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 nordic support:
Our device used nRF52840, when do RSE testing , band edge failed when channel 39 TX at 0dBm. We want to reduce ch39‘s TX power alone. Could nRF52840...
My environment is nRF52840 + nRF5 SDK 17
I have nRF52840 and LCD module(ER-TFTM101-1) connected using SPIM2.
When LCD power is on, It's fine work.
But, When LCD power...
Hi All,
My project have some problem.Below is the information of my project.
SDK => v17.1.0
IDE => SEGGER
Example code => base on ble_app_buttonless_dfu
Purpose...
Hi,
I have a BLE-project running on the nRF52840 DK. Now I made my own custom board with the nrf52811 and want to program it with the DK.
I did read I have to change some...
NRF52 I try to upload bootloader using DFU bootloader but when i upload zip file code updated but after that nothing work not advertising so can you help me.
i used nrf52832 and sdk 14_02 i run this example secure bootloader located in example>dfu folder is get error
return NRF_ERROR_INTERNAL;
on nrf_bootloader_init() this...
Hello, Guys.
I just wondered why max UART exchange when we receive mqtt buffer that is let's say 1707 bytes is splited bu uart in chunks max of 120 bytes.
Is there some...
when i flash bootloader hex file
1) """sd_s132_bootloader_buttonless_with_setting_page_dfu_secure_ble_debug_without_bonds.hex """
NORDIC_BUTTONLESS show but when i try...
Hi,
I have create a separate .hex file for boot-loader & application. when i try to load them into the nRF52382 through "nRF connect".
It says overwriting has occurred...
In the "ble_app_uart" in the ble_peripheral showing the error?
error is -
Building ‘ble_app_uart_pca10040_s132’ from solution ‘ble_app_uart_pca10040_s132’ in configuration...
I've used the PPK2 for a while now, but as of today it started crashing whenever I re-start a current measurement. Both in Source / Ampere meter mode.
The logging says:...
hello Nordic
i am working with nrf52832, with ncs 1.7.1
i am writing my own driver which will be used by 2 baords
one board have to raise 2 gpios to get power and...
I'm trying to read the CTS characteristic from a BLE server (an iOS device) and part of the requirement from Apple is that the server and client be paired and bonded before...
