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...
Hi,
we are facing the following error. We bond our device (peripheral S140, SDK 15.3) with the following settings with iOS devices:
#define SEC_PARAM_BOND 1 // Perform...
Hi,
I am unable to build code. My Mac has just been updated to Catalina, not sure if that's caused the issue.
I am trying to build the standard "blinky" code but am getting...
Hello
I'm working on SDK v17. Receives certain data from the app, and LED timers work according to the data received.
The code that receives data from the app and parts...
Hello
I'm working on sdk v17. I want the LED to be printed out like a wave when I receive certain data from the app. (5 Times)
It is simple to use 'delay' and 'for' as...
I had my first encounter with Nordic chips a couple of years ago. To evaluate the devices, I used an nRF52832 to implement a small helper project. I was very impressed: it...
Hi Team, Is it possible to use the BLE NRF52832 module for audio applications like attending phone calls, listening music etc. If it is not possible with this module could...
I wrote this code to make a 1MHz signal clock with timer and GPIOTE.
It works fine without softdevice, but when I modify my app to use BLE, gpiote doesn't work (I...
Hai ,
I am using nrf52840 and 15.2 SDK for ota over BLE. I have made bootloader for OTA over BLE and tested same with nrf connect application using dfu package zip file...
I tried to make a copy of the Asset Tracker example application to start my own project. However I cannot get it to load in SES. I'm currently on the Master branch of nRF...
Hello,
Based on the DFU documentation, you should be able to download an updated soft device as long as the "major" number of the soft device does not change. This was true...
I recently designed a PCB and have been testing it.The PCB mainly consists of the Bluetooth Module BMD-350 ( based on NRF52832 SOC ) and HX711.( There is an accelerometer...
Hi. I have a question regaring the nRF52833. I want to program the MCU using ArduinoIDE and I'm not sure if I have to use a programmer to program the nRF52833 and if so do...
SDK 15.3
SD S340
Bootloader implemented to update over GSM and BLE. BLE update code is taken from example secure_bootloader_dfu*. GSM update code is custom made. SDK is...
I set up nrf52832 that it is called proxy device, i create a loop that proxy device will sent 20 message to app phone (Android) within 100ms. But my app (Android) receive...
So I'm not sure that this is an error, but it is a little annoying. I have an application that sends sensor data using ble_nus. Works great, except that mixed in with my data...
