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...
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...
Hi,
I am using nrf51822xxaa , Keil Uvision 5.14.2.1. SDK 10.0.0 and S130. I need optimisation level O3 for most parts of the code, except for one part (about 10 lines of...
I can't seem to add custom pin definitions to my own board in SDK12. I use the BOARD_CUSTOM define and copied my PCA10040 header file to one call custom_board.h and my pin...
Hello,
I'm working with the experimental BLE blinky application (with nrf52 and s132 SoftDevice).
It works fine, but now I would like to add one more characteristic one...
Hello,
I am working with Arduino blend micro BLE, i am trying to change some advertisement data and uuid service.
I am using the BLEPeripheral library and the next functions...
Looking up to Nordic guys for solution to
Play music from mobile to the connected BLE Slave device which has speaker connected.
Stream audio or play music/mp3 from...
In the file bsp.c (from the SDK11 ble_hrs example) I don't quite understand the initialization statement:
static bsp_button_event_cfg_t m_events_list[BUTTONS_NUMBER] =...
Hi,
I'm working with UARTE using a receipt timeout. So far so good, I tweaker nrf_drv_uart to get notified upon RXDRDY interrupt (char received but not yet DMA transfered...
Hi,
I've got some software that already uses nordic_uart, so when I try to add another uuid I get NRF_ERROR_NO_MEM.
Now reading around at others with this problem, it...
Dear Nordic,
I am following this test example [https://github.com/NordicSemiconductor/nrf51-ble-app-lbs/tree/throughput-test-5.2.0] while using nrf51822 dev board.
I...
Hello.
I use nRF52 , PCA10040 , S132 , SDK 11 & Keil5.
I want nrf to do bit operation.
The code about bit operation is following.
unsigned char tmp[2];
unsigned short...
Dear Nordic Team,
Thanks for support.
I try to enable dfu service in proximitty example code as per the nordic document .
But its not work. I dont know what i am doing...