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,
I have a GATT server defined with this macro
BT_GATT_SERVICE_DEFINE If I want to unregister it during runtime, how would I go about it? I saw some APIs in gatt...
This is a follow-up to case 327769.
Here is a summary of the original case, with highlights added for the crux of the problem:
Here are the details:
OS: Windows 10...
When running the ECDSA Example from Nordic, the keys are generated successfully. But when I add the code for generating CSR it fails with the error code -134 which bby my...
I need to set the public BLE address for a BLE central role device using an nRF5340.
First attempted creating an additional bluetooth identity , but it appears this is only...
During a review of production firmware I noticed an oddity that should cause a compiler error but it somehow does not.
In C, a function may not be overloaded. There are...
Hi,
My customer is trying to use both UART peripherals on the IC and have VCP on the USB, for a total of 3 “UARTs/COM ports”.
Can the USB be instantiated for VCP? if they...
Hello, I'm currently implementing BLE after I made the NRF51810 custom board. We are testing with the BLE example BLE UART with SDK 17.1.0 VER. The current setting is as follows...
Hi folks,
we're running zephyr v3.6.0 on ublox-anna-b412 module which embeds nRF52833. For our application we need multiple timers enabled next to running ble. When we were...
Hello everyone,
I’m working on an asset tracking project using the nRF9160 as my microcontroller. However, given my limited experience with RF design, I have a few questions...
I have an nRF52840 that is on an Ezurio BL654 module that I have programmed dozens of times during development. Something happened during a recent programming event that caused...
Following the instructions for building chip-tool, I get a build error.
[~/git/connectedhomeip] scripts/examples/gn_build_example.sh examples/chip-tool examples/chip-tool...
Hello, we've successfuly been using SMP to update our peripherals so far. Now we've come upon an issue. If the software has a bug, and the device disconnects or reboots during...
I'm currently using nordic's SDK7.1 to open a device, and I want to use features like GPIOTE, but I don't find SDK7.1 to be as good as GPIOTE as the older SDK. Who has a useful...
Just posting this as new issue since it is still valid and installing the SDK tools again every day sounds a bit drastic.
Error when creating trace: unable to locate db...
Hi, I am using light lightness server example for the testing of DFU OTA over mesh. I have successfully transferred the DFU archive over serial with nRF Util tool and follow...