Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
Hi,
I would like to read accelerometer value from orientation_detector_calibrate() (in asset_tracker/src/orientation_detector/orientation_detector. c).
But from main.c...
Hi,
I am learning nRF development with 52DK device and SDK v16.0. I noticed that by default the 52DK planned P0.5~8 for UART purpose.
I am wondering if I can disable UART...
Hello ,
I am trying to send 1,000 of MPU-9250 data from NRF5832 peripheral(ble_nus_uart) to NRF52832 central(ble_app_uart_c).
And i have been searched this site and set...
I would like to move existing nRF9160 solution created according to nrfConnect Getting Started Guide to another directory under Windows.
Simply moving the folder doesn't...
Hello
I'm trying to implement interfacing between BME280 and nrf52840 on a custom board using zephyr BME280 sample example. I'm using SPI for the interface but there no...
I am evaluating the nRF Connect SDK for nRF5340. Currently, nRF Connect SDK seems to use zephyr's open source stack as the BLE stack.
By the way, nrfxlib / ble_controller...
I am developing application for nRF5340. I have two questions.
1. What value VTOR when reset? ApplicationCore'VTOR==0x00000000/NetworkCore'VTOR==0x01000000 ?
2. How to...
Hi,
i'm a beginner. now only i start with Segger studio & ble concepts.
i need internal RTC with calendar formats? i have check with the example programs , avail only...
Hi, I'm having issues connecting to the ble_app_ots example application from the nrf connect phone app. I have attached a trace from wireshark, and for comparison what it...
Hello,
I tried the basic proprietary rf code that is esb_prx and esb_ptx on the boards and the communication is very fine. The default set of data that is 0x00 to 0xFF is...
Hey! I'm writing a program for communicating the laser sensor pmw 3610 (pixart) with the micro nrf52832. In the sensor datasheet it is said that the time between sending the...
Hi:
I am an engineer from China. Visiting infocentre in China is quite slow. I found some offline documents for nRF5_SDK in https://developer.nordicsemi.com/ and they are...
As the subject description.
I have already test the official sample buttonless_dfu_app and the secure bootloader already. It could work for OTA fucntion.
And my application...
Hello!
I am new to controller programming. My work at the institute is connected with bluetooth research, so I need to learn how to program nrf52840. My microcontroller...
So I looked at the example of the temprature read and I got the following code:
But the problem I got is with the: while (NRF_TEMP->EVENTS_DATARDY == 0), I don't want...
