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,
for production purposes, we need to define the components of our circuit. Less specific definitions of the parts are prefered to ensure the interchangeability of common...
Hello is it possible to send message from nrf52840 to nfr24L01, I tried (pca10056 as transmitter), program is esb_ptx_pca10056 and nrf24L01 as receiver, but could not receive...
Hi,
I would like to create a DFU package for updating an application config flash page.
We have a device where the device reads some configurations from a specific flash...
Hi Team,
Scenario-1:
There is a use-case where 8 to 10 peripheral devices need to be connected with the HUB which is based on nRF52810 and a mobile device should be...
I'm working with nRF52840 on a battery powered device , as a result theres a constraint in the total power of the cell . Now , it's been decided to use the USB2.0 at full...
Hello,
I have a problem with communicating with SD cards ( https://devzone.nordicsemi.com/f/nordic-q-a/34401/fatfs-example-does-not-work-with-every-sd-card ). I resloved...
Occasionally, the NRF_LOG output just keep putting out random old log data. I have enabled the timestamp so I know they are old data. Once it happens, it just stuck in an...
Where do we get support for NRF24L01+ ?
There is no option in the pull down menu for the device.
I attempted to set up a profile for private support but they have made...
Hello , I am having 3 nRF52832 DK . I tried Light switch - proxy_client and proxy_server example . I provisioned nodes using nRF Mesh app . Here i want to send data from server...
Hi! I'm trying to figure out the nrf_ringbuf module, and would really appreciate some advice about its intended use case. The api exposes the following functions:
This...
I created a DFU package from the HEX file through following command nrfutil pkg generate —hw-version 51 —sd-req 0x5A —application-version 4 —application /Users/username/Desktop...
nrf_ringbuf has many logic bugs that cause it to both corrupt internal structures and return invalid data. For example one of these calls to nrf_ringbuf_alloc tells me that...
How to calculate the Distance between the central and peripheral where the peripheral is transmitting power at -40 dBm and my rssi value is -100 dBm ?
I'm using the nRF52...
Hi,
I'm wondering if the nRF52810 supports Central mode. I noticed that currently only the S112 is intended for production on the nRF52810, which only supports Peripheral...
Hi,
I came up with one application where i will be using one master and multilateral . with one master i want to scan all the the available peripherals and display it on...
