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 using NRF 15.03 SDK and used NUS application for the project. We need to store some data into flash and we are using FDS example based code to do the same.
...
Background
I am attempting to build a system in which a Nordic NRF52840 SoC, is connected to a mobile app (iOS / Android) via BLE and both devices play back audio-visual...
Hi all!
Resoldering usual QFN packages with pins along the edges is not such a big problem... but how is this usually done with devices they have pins underneath the package...
Configuration: 52840 / S140 / V610, SDK 15.2
As approaching production, I am continuously testing S140 on various environments.
I noticed during testing that there are...
I got Thingy:91 and want to install at_client to it, but it doesn't work well.
What I did is
1. Check out a pull request and update firmware referring to this link ...
Hi everybody,
I work on custom board with the SDK 15.2.0 and the SoftDevice S140.
I work on the ble_sdk_app_template example. I tested it on the nrf52840 DK and it work...
Hi,
I am a beginner in nrf52840 DK. I am trying to run TCP example. I have flashed client example in the DK and able to connect to the laptop(LED_2 ON). When I press BUTTON_1...
Hi There,
This is Particle's Sr. Hardware Engineer, Ping. We are working on a SoM (System-on-a-module) called EG91-SoM that with a nRF52840 (Thread) + EG91 module for acting...
Hello,
Hardware: NRF52840, Development Software: any
I am hoping to generate 3, or ideally 4 separate (independent duty cycles) PWM signals at a frequency of at least...
I use sdk13.0,s332,when my system working,it will auto reset about 129 seconds per time,I make a breakpoint,find it caused by "softdevice_fault_handler",when it reset,the...
Hello,
I am starting development on what should be a straightforward application using the nRF52832. It is actually this BLE module , which contains the nRF52832. However...
I am wondering if I could have access to a mechanical drawing or 3D model of the N RF52840-DK . Does anyone know where I could find either of these?
Thanks,
Julia
I am trying to understand why my program is returning this error (NRF_ERROR_RESOURCES). I read through a lot of other posts in the devzone and tried replicating them, but...
My board is nRF52840 + S140 + nRF5_SDK_15.2.0_9412b96, my configue as below picture and file "ywk_bsp_ble.c" .
When nRF Connect APP connect my device, it alway be disconnected...