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, 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...
Hello all,
I am experiencing a ~5uA oscillation (between 5uA and 10uA) in sleep mode, DC/DC converter enabled, no RAM retention. The total current is of the entire system...
i am working with jlink segger edu, in a custom board, it dont have swd TX, RX pins connected, only jtag pins. I Need to see if my gps conected throw uart is working or not...