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,
We use the nRF radio timeslot API to take control over the radio and other peripherals periodically. We have noticed that when the timeslot is active (we own the peripherals...
I tried to use the Bosch BSEC library for the Asset Tracker application for nRF9160.
It seems that the Asset Tracker was build for BSEC 1.4.7.4 which is unfortunately no...
I develop a test fixture based on nrf51 code that I use for final product.
NRF51 is just a part of a complex test fixture, then I have just "one" test fixture model.
I...
Does m_xfer_done need to be set to false before calling nrf_drv_twi_rx? If so, does while (m_xfer_done == false); loop need to be called on every read?
I'm developing a Bluetooth mesh device on a Window 10 machine using Segger Embedded Studio v4.52c on a nRF52832 chip using SDK16.0.0, Mesh SDK 4.1.0 and FreeRTOS.
in the...
Dear all.
I just got nRF52 DK and testing blinky based on KEIL and it works well.
I tried one test, IF BOOT/Reset, and nRF52 PDK is not working after below sequence. ...
Would it be possible at all to add a preset text string to the current advertising data, in an advertising-only module configuration, by changing the logical input of one...
Hi,
I've upgraded my SDK from 15.2 to 17.
After upgrading - I can't connect my device via NFC - it keeps disconnect with NRF_ERROR_RESOURCES .
I've tried to increase...
Hi
My goal is to create a USB HCI firmware that works on any custom board that exposes the USB port of a nRF52840. Based on the requirement for USB HCI it was clear to use...
Hi, I am working on an OTBR, nrf52840 connects to the router through SPI, I want to know how to upgrade 52840 through the router. The router use OpenWRT. p lease give me some...
Hi,
Our devices are getting randomly bricked by updating firmware through mcumgr in Zephyr. It happens on both the nRF91 and nRF52 chips when we run the latest nRF Connect...
It's strange, My nrf52840 can't boot up after power on,unless it was connected to JLINKRTTVIEW, If I disconnected the JLINKRTTVIEW, the device will stop running, Connect again...
Can anyone tell or give a pointer to info about RFCOMM vs. NUS (or any other vendor specific UART emulation service)?
Why are there vendor specific UART emulation services...
