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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi,
My project consists of 2 devices, both using the nrf52840 on sdk 17.1. One I will call the hub, the other the sensor. The hub serves as the central in a connection with...
I have been developing an application using the AWS IoT library on build target nrf7002dk/nrf5340/cpuapp and nRF Connect SDK v2.7.0, and the application connects to Wi-Fi...
Using the official nRF Connect for VS Code extension sometimes when debugging and hitting a fatal error, no backtrace is shown (backtrace seems to be mostly garbage):
...
- I am writing to request the datasheet for the NRF31562 chip. This chip is used in the dongle of my wireless mouse, which has recently malfunctioned. order to diagnose and...
I've been testing the nPM1300 and I'm running into some interesting issues. I'm using NCS 2.7.x (originally evaluated on 2.6.x) and got it to the sweet spot where the nRF9161...
After connecting the device in nrf connect app, based on the protocol of our device we are supposed to give a certain code in RX Characteristic which is present under Nordic...
Hi guys,
i show you an image here where I am sending from my board a text file ( about 75KB ) to nordic toolbox via nus, I use notify to send ( but I have similar situation...
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...