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,
I'm new to embedded development and am trying to interface a 24-bit MEMS microphone (Invensense ICS-43432) using I2S with nRF52 Dev board (PCA10040, V 0.9.0, 2015.39...
Hi,
Basically i want my nRF52 DK should be able to transmit data to connected android device and also be able to receive data from android,data is kind of logs.
hi,
I would like to do some code profiling and measure execution time.
What is a lowest possible resolution for the counter is possible to achieve and how?
I am currently...
Hello,
I am using Bluetooth device "NRF51822_xxAC_s110". My Bluetooth is not advertising when i dump the HEX file to the Bluetooth device which is generated by the Keil Version...
Hello,
I have the NRF52 DK with a PCA10040 designation. As instructed, I connected the board to my computer via the USB cable. The original demo on the board worked fine...
Hi,
I need to implement a simple external interrupt triggered by another IC on a nrf51822.
After searching the devzone I found the example in the GIT repo ( github.com...
My code is roughly based on:
devzone.nordicsemi.com/.../
I'm using SDK12.2, softdevice S132. The relevant parts of code are:
static uint8_t bapi_adv_data[14] = {...
we are facing issue of "application program" hex file generation, which is different in two machine . we are matching setting of both machine , we found the difference in...
Hi,
I've got a problem with nrfutil package on Raspberry Pi with Python 2.7.9 and pip 1.5.6 included to raspbian distribution.
I'm writing like below:
pi@raspberrypi...
Using SDK 12.1.0 with flash containing data from a previous version of software.
The pages_init function in fds.c does no have adequate protection to prevent writing to...
Hello,
I have followed a couple of the posts on the devzone on how to increase the MTU and add the DLE support such as this .
However, whenever I send over 20 bytes...
hi, i have a SIM800L Core board which is using UART protocol to communicate or to send At commands. so that i am using BLE_APP_UART example to set AT commands to SIM800L....