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 Nordic Devzone,
First i want to make sure that if the clock being used by softdevice is the LFCLK (32kHz) and its counter register is 24bits ? and which prescaler is...
Hi Guys!
I am a newbee to develop a BLE IoT, and I am really trapped:
first of all: I am using the UART example from the SDK (12.2)
I'd like to send a float array with...
Has anyone been able to successfully connect a BLE device to nRF Cloud using an Android device as a gateway?
I don't see many posts or discussions around this topic. After...
Hi,
I am developing an application, in which I need to store the data collected from various sensors in external flash, in a particular format (Dataset no. - Sensor1 data...
When I use sniffers and wireshark for debugging (ble_app_uart), I found a strange place.
The following are the empty data PDUs seen from wireshark:
50ms:
Master-...
Hi,
I want to use battery service in my beacon for that i have tried two examples of sdk14 on nrf52 dk
1)ble_app_hrs
2)ble_app_proximity
in first example ble_app_hrs...
Hi,
I am nrf52832 SDK14 .
Can you provide a simple example of IRK implementation to resolve the peripheral address in SDK 14.It will be helpful to get insight of it. ...
Hi,
Do you know why I get a warning : Unable to allocate memory for relay packet. ?
I am trying to mesh 2 servers and 4 clients. with client capacity 3 for each server...
Hi,
I'm trying to run the gdb on the nRF52 with softdevice s132 and in the begining it runs ok but after some time when I run (gdb) list I get: "Line number 435 out of...
Hello,
I'd like to send 16 bits data over ble instead of 8 bits
gatts_value.offset = 0;
gatts_value.len = len;
gatts_value.p_value = data;
err_code = sd_ble_gatts_value_set...
The call to ble_x_handles_assign() is not uniformized on all the examples. It's sometime call from on_ble_evt() or/and from x_evt_handler() .
From the doc on the function...
What shoul i do? 0 erro with code
SEGGER J-Link GDB Server V6.20d Command Line Version
1. JLinkARM.dll V6.20d (DLL compiled
Sep 29 2017 16:44:59)
Command...
I am using S120 Softdevice, with bunch of different type ble tags(peripherals). written a code to connect multiple tags at a time and doing a gattc read to fetch the battery...
I have a technical issue I am facing while doing development with Nordic NRF52840. I have an application which I am sending command though virtual com port using CDC ACM USB...
Hello everyone!
I am learning with nrf52840 MCU and SDK version 13. When I read the example. I see one line:
SVCALL(SD_BLE_GAP_CONNECT, uint32_t, sd_ble_gap_connect(ble_gap_addr_t...
