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 have been trying to integrate support for multiperipherals into my application, but am continuing to get errors when attempting to start advertising after the first connection...
As I don't know much about audio,I have trouble with the gain of the pdm module in nrf52832.Now
I have used MP45DT02 as the digital microphone,but I just can't understand...
Hi, I've searched and googled through this site and made sure no one asked this question before.
In core\Bearer_event.c, there is this function:
bearer_event_flag_t...
I'm trying to connect two nRF5 devices together, Central and Peripheral, and use a custom BLE service that I have written that has a custom 128 bit UUID.
I'm in the process...
Hi,
We are sending a data using Nordic UART Service (NUS), the data is transferred over BLE as a Indication.
From Message Sequence Chart in Nordic Infocenter
Here...
I am researching OTA procedures and I spent more than a few minutes wrestling with flashing soft devices and bootloader code to the nRF52_DK.
What I found is JLINK seems...
When adding extra buttons on breadboard for NRF52-DK do we need to use resistors OR i can directly connect one leg to GPIO pin i.e 30 and another to gnd.
I'm trying to use the nRF24LU1P as a standalone 8051 with the nRF24 radio inside. I provide 5v on the USB connection but no host connection. I am trying to operate in PRX...
Hello,
I'm using the nRF52840 development kit with the "« ble_app_att_mtu_throughput" example with version s140 6.0.0-6alpha.
What's the bitrate used in the long range...
I'm using nrf52832 in my peripheral device, I want to secure its connection via any authentication is there any method for that?, also I need to encrypt its data(characteristics...
Hello,
I'm working on a bootloader based on the examples in SDK 13.1. As we have expanded its functionality, I'm now wondering what happens when one of the steps in the...
Okay this got us going around in circles and it looks stupidly simple. It seems there is a knowledge gap since we saw many posts similar to ours but without clarity as of...
Hi,
I am getting data over thread and BLE network. I want to send the received data over uart.
Is it possible to use serial example to merge with thread server example?...
Hi,
We are having problems trying to integrate support for maintaining application context and bonding info across firmware OTA updates on our NRF52 (nRF52832) based board...
I just test nRF52840 DK with ble_app_att_mtu_throughput_pca10040_s132 example. I know BOARD_TESTER transmits 1024 dummy kbytes to BOARD_DUMMY. I want to replace dummy byte...
