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.
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...
I am setting up production testing of our product to do RF testing per app note AN34. We are using the nRF51822 on our product. I'm using Nordic's development kit and their...
Hello,
I am planning to use the nRF51 device in DTM and was looking for help on how can use it to control via USB/UART connection to PC using FTDI chip. All I want to do...
Hi Nordic,
I am having a problem with linking against either of the gazell gcc libs (gzll_gcc.a or gzll_sd_resources_gcc.a).
I'm using Yotta (MBED) and have taken the...
Hello,
we have an android/iOS app on a phone that is connected to my button (nRF51) and to a Bluetooth headset. The app is a kind of walkie talkie that transmit mono audio...
Hi, I'm working on a project where I'm trying to make an nRF51822 play a basic sound (such as a beep). Is there a recommended DAC that should be used with this particular...
hi, i am using nrf51822 version 2, SDK 6.1.0, softdevice version 7.3.0.
because the nrf 51822 is version 2, i have no choice but to use SDK 6.1.0 not 11.0.0(latest version...
hi,
i am using ble_uart example for send 3 byte (midi format) of data over uart.
i am receiving data which is appended with past data and sends as a chunk of data around...
Hello, i'm making small android application for my own test purposes. I want to understand full structure of advertisement packet which i receive with my phone. I can't find...
Hi.
I'm using nRF51822 with softdevice 8.
I started working with the uart example. and it works fine.
However, I can't get the BLE to reconnect automatically once the device...
Hello, i'm working with nrf8001 right now. I know that nrf8001 can work like Peripheral(slave) device. This is working ok. Im wondering if it is possible for nrf8001 to work...
Hello I'm trying to utilise the multiceiver mode with nRF24L01 and Arduino, the idea is that an nRF will be able to send a message and six other receivers will be able to...
When I use nRF UART of android phone A and B to scan the bluetooth device, the scan result is below:
first picture is the result of phone A, second is phone B:
first one...
Hi,
I want to use nrf51 development board as a bluetooth alarm clock using internal RTC . How can I generate timestamps to determine current date and time. Can the timer...
hi.
i want to parse the data before sending to BLE UART.
i am fetching data from RX/TX pin. and now i want to do some modification in data before sending it.
this block...