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...
When i added timer in my bluetooth code my board will not advertise.using pca10028 and nrftool box uart app on iphone 5s.
here is my complete code. Using timer1
Final with...
I'm using the 0.9.2 SDK SPI slave example to connect to a SPI master (Atmel SAM4S). When I initiate a SPI transfer from the master side I can see that all the data arrives...
Hello,
I have been going through devzone questions to figure out how to enable the default debugging messages through Putty for the ble_app_proximity example project from...
Hi:
I make the gazell ready, and I need an extern PA(RFX2401) for a long distance commuicate. But there is some trouble when enalbe the PA.
My function:
Host:
pin_Set...
Hello,
I am using ble_app_multilink_central example as a foundation of my app involving central - peripherial connection (S120 - S110). My app works nicely but i have problem...
Hello, I am trying to establish a connection between the nRF52 board and the USB serial converter TTL-232R-3v3.
The setup is such that I connect the converter cable to...
Hi all,
we have a project based on nRF51422, SDK 6.1, Softdevice S310 2.0.1.
We use the bootloader for DFU services. Our problem is to send a service changed notification...
Dear all, I had debugged example Heart Rate Service from SDK 9.0.0 without problems but I think we have a exception, when I insert a breakpoint on line 923 instruction APP_ERROR_CHECK...
I am trying to use the scheduler, but I would like to know if it is possible to have events with different priorities... As an example:
Task A - Priority LOW
Task B -...
We designed our own board using nRF8001 and EMF32, I used the EMF32 development kit to test the code and it is working fine. When I down the same code to my own board, it...
Hi ,
I am planning to implement S120 UART to communicate with desktop as well as S110 UART BLE.
I browsed in the forum and found out we already have example in github...
I have a small nRF51822 module that I want to use for UART communication without handshaking, and I'm having problems with reliability. Basically the nRF51822 crashes and...
Hi, I've got a pretty basic question, but I haven't found a satisfying answer for it. It is obvious, that the CC registers are 32 bit wide, but because the RTC Counter is...
Hello:
Does the nrf52 radio peripheral EasyDMA write to PACKETPTR on byte boundaries or does it write "bits"? Suppose I have the ADDRESS_BCSTART shortcut enabled and the...
