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...
SDK 16.0.0, Keil has a problem in development. FamilyPack 8.27.0 related issues. FamilyPack was changed to 8.27.1, 8.29.0, but another problem occurred. ("nrf_erratas.h" problem...
Hi,
I am trying to create a custom NDEF message to write to a NFC tag type 2 using the example code provided here.
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom...
I have a Nordic 52840 hardware, which comes with the bootloader. Learned that the register GPREGRET address is 0x4000051C. The app is written in rust language, and the address...
I use the HID (HOGP) profile for some features of this product. Before the product enters sleep mode, I attempt to update the connection parameters to reduce power consumption...
Hi,
I'm encountering a strange problem with the nRF52832 when it works as Central with two bonded Peripherals connection.
In particular I'm able to secure the connection...
I am interested in transferring large data (>255) over SPIS.
My application requires that the nrf52840 is operated in SPI slave mode. To manage such transaction I have SPI...
Hi ,
I need using dimming server example to add FDS function. But I meet some unstable sitation.
The bellow is the log show how the issue happens.
sometingtimes,FDS...
I am developing a robot controller(Central, nRF51822).
However, I am having a problem with UUID.
And I am using the ble_central (s130 ble_app_uart) example.
The figure...
Hi
I am developing a bootloader for nRF52840 using SDK 15.2.0 and s140_nrf52_6.1.0_softdevice, that should support both USBD and BLE transports.
The first transport layer...
We are using NRF52840 with Softdevice 340 and several sensors connected via ANT and BLE. NRF is connected to STM32 via serial UART connection and use ANT serial protocol for...
I am using PPK to measure current. The system uses 2 CR2430 in parallel.
I observe that
1. When using the battery as external supply, the battery voltage drop to 2.5V...
I am using the original board. It does not have a 32kHz crystal.
So I want to use the built-in RC oscillator.
In addition, use the time example of nRF5_SDK_16.0.0. "NRFX_CLOCK_CONFIG_LF_SRC...
