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...
Hello
I would like to use three PWM to output multiple sounds with one buzzer.
First of all, I am testing using two PWM. There is no problem using only one PWM, but there...
Hi, I'm currently using TAIYO YUDEN's EYSLCNZWW (nRF52810) and We are developing a device like a pulse oximeter.
I would like to change SAADC_SAMPLE_RATE from 400ms to 100ms...
Hi, after using the nRF SDK examples with SES for some time now, I decided to go with a project from scratch but for some strange reason the directory where I keep the nRF...
Hi everyone,
I am using the custom nRF52840 module provided by Raytac. I integrated into my evaluation board and I flash it using SWD and JLink debugger. My problem is that...
I have DFU code base working. It consists of a thin layer of our code, and majority is from Bootloader component from SDK v17.
I started with DFU OTA, and then incorporated...
Hello,
I am trying to reproduce the Mesh Light Switch demo at home now, with my own dev equipment and have hit some problems I did not expect -
Problem:
nRF52840 Dongle...
I have developed an app for the nrf51822, using the nrf51-dk with SDK12.3, together with DFU functionality.
After having solved many issues to get to this point with the...
Hello, I'm using nrf52832 with SDK 15.0 and softdeveice 6.0.0.
I need to handle interrupts with different priorities on two different I/O pins. How is the correct configuration...
Hello, I'quiet new in Zephyr.
So tell me if I'm wrong.
I would like to test driver mcp23s17 present on zephyr.
I've add in .overlay file
And now I want to initialize...
Hi all,
I'm programming nRF52833 with SDK17.
I want to use only one channel (for example 37) to broadcast advertising during advertise interval and also one channel of...
My team was looking to transfer a 20-byte value (or 'message') between a mesh client and server, what is the best way to achieve this? I have practiced with the light_switch...
Hi,
I am currently developing an application for the NRF52840 using a custom pcb powered through the VDDH pin using a 4.2v lithium ion battery. Part of my application requires...
Hi,
I am trying to following the instructions at: https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.iotsdk.v0.9.0%2Fiot_sdk_user_guides_java_coaps...
I have configured the dev kit by cutting the SB9 bridge. I am powering the device from the J2 USB port on the DK. I have not bridged SB12 or SB11 as I am powering the device...
