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 all,
i am really desperate. since more than 1 week i am trying to work with the digital inputs in my custom pcb.
I can set all digital outputs, but from the inputs...
Hi Nordic support team,
We're using nRF52840 to develop a product with lots of features, using nRF NCS latest version (1.7.x as of writing).
Currently we're sitting at...
Hello! I'm working with the nRF5 SDK17 ( https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.sdk5.v15.0.0%2Fble_sdk_app_interactive.html ), and I'm...
Hi nordic,
After I transplanted nrf52832 to nrf52833, the upgrade of nrf52833 failed, or stuck in the bootloader.I tried to use the current method to upgrade nrf52832, it...
Hi
Problem description：
In application serial_lte_modem ,When sending AT command "AT + CFUN?"， return"at_host:Error while processing AT command:",What caused this？Thank...
Hello,
We have a nRF52840 on our board, whose fw we would like to be able to update through both BLE and UART (the MCU is connected to a ST32 MCU via UART) using a bootloader...
Hello Everyone,
I am currently using the AGPS example on the nRF9160-DK with nRF Connect SDK v1.7.0. I notice it requires 4 satellites in order to provide a position fix...
Hi,
I need to use system tick to do some math calculate. So I create a new function to get systick like as below. then I can get some number.
And I create a 200ms timer...
Hi,
I'm new with BLE development and I'm trying to find a module that can be used with an Atmega328p and libraries that allow me to create a GATT profile (creating services...
Hello, everyone.
I'm beginner at this, and I need your help.
As the title says, which of the GPIO pins can be specified for PWM?
I am waiting for your answer.
Dear Members,
I want to run :
E:\nRF5_SDK_17.0.2_d674dde\examples\peripheral\spi\main.c
on this line :
APP_ERROR_CHECK(NRF_LOG_INIT(NULL));
I get :
error ...
Hello, I have an application using nRF5 SDK 17.0.2 and SoftDevice S140, I would like to implement the mesh function on my devices and I have some doubts.
1- What is the...
I tested it in a conductive way. The transmission power of +8dbm is set on the software. Remove C3 and L1 and connect the RF line directly to the ANT PIN to test the transmitted...
Trying to understand how interrupts work on nRF52: does setting an INTENSET register of the said peripheral enable the interrupt, and to propagate the interrupt over the Cortex...
My operating system is window 7, and I have been using nrfjprog v10.12.2 before. When I updated nrfjprog to v10.15.0, the following error occurred when using nrfjprog -v....
