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 an iOS developer trying to implement the app for an nrf51822 chip-based device. I am trying to perform DFU of application type using the objective-C files from...
As title, im using nRF51822 as a ble uart.(ble_app_uart)
But it will sleep when No connect for some time.
how can i turn off the sleep mode?
I want it be a "always...
Hi, may I looked bad , but I can not find NTF52 documentation, datasheet, evaluation board schematic, pinout, price... nothing , except the file nrf52.h in which I found some...
The following SDK files have incorrect comments:
markrages@qountdown:~$ grep 'units of 0.625' -r /opt/nrf51sdk-11.0.0 | grep 300 | grep to\ 25\ ms
/opt/nrf51sdk-11.0.0...
I configured nrf to go to sleep after 5 minutes of inactivity and then wake up by external signal (by accelerometer interrupt if any movement detected). what struck me is...
Hi again,
I'm here with another HID problem. When I flash my chip with standard HID mouse example, OS discovers it with it's declared in code name, connects succesfully...
I have designed an custom application board based on nRF51822 SoC,
Now i wanted to do testing on RF front.
I found one Test guideline(RF_Performance_Test_Guidelines_v1_0...
Hello Everyone,
I am able to do this functionality by using NRF5DK
Using Android APP (MCP master control panel) am able to make beep sound in the NRF51DK by using...
Im working with a nRF51422 EK. So, there is an android application with 2 buttons. Each of them can Set a LED. It will be set as long as the button is pressed on the application...
SDK:10.0.0
Here is the error when I compile
..............\components\softdevice\common\softdevice_handler\softdevice_handler.h(40): error: #5: cannot open source input...
Hello,
I have a project which is currently using S110 SoftDevice v7.1.0 with nRF51 SDK v6.1.0. The hardware is nRF51822 xxAA revision 2. It will probably be upgraded eventually...
Hi,
I intend to use ANT protocol for an application of soccer players trackers.
Each soccer player would wear One master and remote sensors communicating with ANT.
But...
Is there a way to know if we are in critical region?
ie: between sd_nvic_critical_region_enter(&foo) and sd_nvic_critical_region_exit(0) without explicitly using a global...
Hello,
I'm using nRF8001 with Arduino for our project. I use BLEeripheral. h and I need to know if it's possible
with the visibility of NRF
when invisible can nrf...