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...
Hej,
I'm working with the nRF24L01+ and the ATmega328p programmed in c. The goal is to have both TX and RX mode in the same device, mainly work as RX but in certain conditions...
Dear sirs, I've had a difficult time establishing communication between my nRF24L01+ board and the SPI bus on my Arduino Uno R3 microcontroller. Could you please provide me...
Hi all,
I am thinking of using a GPIO pin's "SENSE LOW" to wake up my device from SYSTEM OFF mode.
In order to avoid the device keeps waking up in case the pin stays low...
I am using an nrf51822 DK with a (so far) very simple code along:
main()
{
//... init I/O
run();
}
Inside run:
run()
{
uint32_t retval = NRF_SUCCESS;
...
Hey,
I recently got the nrf52 DK and tried to make use of the app_button library to have easy to use debouncing.
As far as I understood the library, the event should be...
Hi,
i have a problem withr the example "BLE ATT_MTU Throughput Example".
I flashed the soft devive with nRFgo Studios. Now I want to flash the example, but i got following...
I have want to make application where beacon sends data to NRF52 and NRF52 to PC.
But if for example, the connection between NRF52 and PC is through bluetooth instead to...
Hi,
I have bought a new nrf52840 PDK. I have gone through the PDK user guide and I came to know that we can use qspi pins as gpios by cutting the Solder bridge connections...
Hi All,
I am getting following error while compiling template example with DSP CMSIS library in IAR.
Fatal Error[Pe035]: #error directive: "Compiler generates FPU instructions...
Hello,
I have a question regarding AVDD(35/36) pin. I am using nRF51822 QFAA package. And the reference circuitry on the datasheet uses a 1.0nF capacitor between AVDD and...
Hi, my first post here.
I'm a undergraduate student and newcomer to this field. I've some programming background but few in electronics and embedded systems (so probably...
Hi all,
Is there any DFU example using dual bank to the SDK 12.2? The secure bootloader example is for single or dual bank? . Sorry for the question it is no clear to me...
I have purchased nRF51822 Evaluation Kit.
So I should be able to download Android code. Correct?
But when I go to
www.nordicsemi.com/.../nRF-Temp-for-Android-4.3
...
