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,
Good day! I hope everyone is doing well.
I have a weird problem measuring Li-ion battery pack voltage.
Problem: Tried to measure battery pack voltage 12.6V using...
We're struggling a bit with our NFC implementation. We were using the T2T library, using the examples, and it was working fine. However, we saw current drain at ~ 400uA, which...
Currently I am testing the coap_client and https_client sample application with nrf9160 based custom board. But the board is continously resetting while searching for the...
Hi there,
I was wondering how the motion pane is supposed to work in the bifravst app, it doesn't seem to be refreshing. The battery pane doesn't seem to be refreshing either...
Hello.
I'm reading the documentation of the radio peripheral of nRF52832 but I can't find any information about the S0 and S1 fields.
What are those fields? What do they...
Hi, guys. I'm using the PCA10056 and the SDK 15.3's BLE UART peripheral example. I'm working on a PWM controller using the mobile app.
I need to create a delayed PWM signal...
My current project is to build a simple BLE LED controller. The goals of this project are to familiarize myself with lower level modules and to practice designing/building...
Hello,
I'm trying to create a project from scratch and write my own drivers. I have strong background in C but unfortunately I don't know anything about assembly. I could...
Very strange, I have lots of nRF52x experience, but this one has me stumped.
Successfully updated our custom board/application from nRF5_SDK_15.0.0 to latest as indicated...
Hi all, I apologise for this very basic question, but I don't understand how to add/enable RTT debugging to my code. I want to practice writing basic code for the NRF5 SDK...
Could you please advise me regarding BLE security?
For security purposes, UUID data shouldn't be included in the advertising data package?
If we don' t put UUID in the...
Hello
My custom board has only 1 button and I'm trying to detect 3 button clicks. The first click is waking up the device and the other 2 are configured as BSP_EVENT_KEY_0...
I have a setup similar to this
When the callback is executed, the execution will enter the inbuilt_key function and then the output will stop and the execution will halt...
I'm using v1.2.0 for the nrf project and I am fairly confident I am using modem firmware 1.1.1 (though I don't know how to verify that).
I'm basing my project on "cloud_client...
Hi,
I am evaluating the ble_app_hrs_pca10056_s140 project with nRF5SDK160098a08e2 Dev kit and nRF82540 dev board.
I have put a breakpoint in line:
*p_erase_bonds = ...
