How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
I'm in the process off trying to learn the world of BLE. Currently, I'm using nRF Connect for Desktop (w/USB dongle) as the learning platform. Using 'Server Setup' I configure...
We use the chip product of nRF52810 to do a wireless module design. While in sleep mode, we found some spikes, which are 0.6mV in amplitude and 180ms in period. It is not...
Hi,
we use CC310 (in nRF52840) in a project (working directly with the CRYS API from SDK 15.2.0). When doing a test of ECDSA with secp256r1, following the one given within...
Hello,
I am trying to change the tx power for my nRF52-DK which is having nRF52832 chip. I trying the following code to change the tx power to -40 dB.
int8_t tx_power_level...
Is there any example about the dongle nrf52840 act as a central? Is that possible? In that case for a ble connection between dongle and board a service does to be create on...
Hello,
I need to long WRITE AND long READ from a central/client (android) to a peripheral server (nrf52). when I says long it means longer than the MTU.
LONG READ
I...
At the top of the Nordic home page, there's a link for "Bluetooth Software":
Following that takes us to https://www.nordicsemi.com/Software-and-Tools/Software/Bluetooth...
Hi!
In a Bluetooth mesh, we would like to get a feedback message from a group of nodes, via a reply message, after sending a message to the group.
The Bluetooth blog writes...
Hi. I am trying to get the peer address from of the peripheral my central has connected to within the BLE_GAP_EVT_CONNECTED event.
The following returns the address, however...
Hi folks,
I try to do create timer. Therefore i want to adding some files in blinky project. So here is some screen shot. Thats about debug error. First i used SDK 15...
Hi team,
I was asked by one of my customers, that if they can use nRF51822-QFAC (existing products design) as peripheral while connected by 2 central (Phone & Router)...
Hi I am a fleding embedded system engineer trying new ways to develop a process( Flashing) in my company,
My company's senior software has designed a control box which...
Hi,
I am facing problem while developing code for the application.
I am working on the "ble_app_uart" example code to develop my one of the application, But after making...
I'm using the code from Vidar supplied here . It works well, but shuts off after 3 minutes.
Based on the idle_state_handle brief, " If there is no pending log operation...
Hello,
I would like to touch on some problem we encountered when using the MPU9250 sensor.
Our goal in the project is to simulate the movements of the MPU9250 sensor in...
