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.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
I have some question about nRF52832 Bluetooth Firmware upgrade problem:
1. I have a device with nRF52832 in my hand. If I don't use the JTag interface, how can I confirm...
Hi,
We are using Nrf51 with SDK nRF5_SDK_12.3.0_d7731ad
We based a UART bridge on the BLE_APP_UART example
The UART connectivity is Rx/ x only (RX_PIN_NUMBER 0; TX_PIN_NUMBER...
Hi,
we've noticed that after performing an OTA DFU, the Bluetooth Address of the device changes as follows: new_address = old_address - 1
Example: Address before OTA DFU...
Hi there,
I am a beginner to the nRF series and I had the following question.
For a battery powered system, is it better to run the nRF52840 at a lower voltage such...
Hello,
i'm trying to program on 51422. The BLE signal,which runs well on 51DK, doesn't trigger any signal on my own PCB. i've successfully light the LED on my PCB. i think...
Hi,
I'm using nRF52832 and I'm trying to switch from SDK15.0 to SDK 15.2. While I've been able to install micro-ecc library in SDK15.0 and use OTA DFU, somehow I'm stuck...
Hello.
I want to integrate UART and SPI ,I am using SDK15.2. The problem here is i am not able to add app_uart.h to main.c(spi).
My question here is how to add it to main...
My working platform is nRF52-DK, and I want to execute DFU firmware upgrade
1. How to create a Bootloader Image? Which Source-Code of SDK_15_2 is used to build the bootloader...
The RTC documentation states that the LFCLK source needs to be explicitly started by the software.
Is this step necessary when using the SoftDevice? As far as I know, the...
I'm not sure about how does the ble_app_att_mtu_throuthput example works exactly, i supose the throughput test runs as follows:
1 tester defines a service 'populated' with...
Dear all ,
Working with nRF52832 (currently without SoftDevice), and there some issues regarding the project current consumption that we need to understand:
1) In the...
Hi,
I am having a trouble trying to make a custom service from SDK 15.0 ble peripheral template example. I have followed the tutorial from : https://devzone.nordicsemi.com...
Hi i'm a newbie, Got Thingy:52 (Keil and J-link) and want to develop HOGP keyboard application. Where can I find Tutorial or example ?
Is there a step by step guide on how...
