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 trying to connect via bluetooth using the gatttool on a Raspberry Pi. On the Nordic device I am using the BLE Proximity Demo. Everythings work fine, but after 30...
Hello all,
I am trying to get a communication between the nRF8001 and the nRF51822 using the UART service. The nRF8001 is connected to an Arduino and is working fine. I...
I am trying to find out the issue with my nonvolatile driver. I currently try running
nrf_nvmc_page_erase((uint32_t)(page_address));
However, that doesn't seem to...
I've been testing Pre-Production samples running a firmware in which I catch any and all Error codes or Reason reasons and write them to the gpregret register to be read later...
Hi, I am using a modified version of RBC mesh.
When I connect with an external device to one node using BT I get connected but I can get randomly disconnected when data is...
So, I'm trying to work around the Ble Uart example, using the PCA10003 Board. The example uses one of the buttons as a "Wakeup" source, but during the bsp_init() call, the...
Hi Nordics,
I would like to run the app example “ble_app_hrs_s110_hci_pca10028 (nRF51 PCA10028)” on the 32 MHz crystal. Can anyone help to change the code to 32MHz base...
Hello,
I am currently use the new SDK 8.0 for the NRF51822 (S110 soft device). I noticed that on SDK 7.0 for the ble_gap_sec_params_t struct , there was a variable called...
I want to see register values in interrupt service routines after a timer timeout. However, when I enable debugger in Keil, it only iterates once to the end of main function...
I've been trying to get a simple blinky program to compile for the better part of a day now. The makefiles are outdated and so are the keil projects. Is this SDK no longer...
Hi ,
I have a code like below.
__attribute__((used, long_call, section(".data"))) void function_1()
{
unsigned int a;
unsigned int b[10];
int c;
c= a-(...
I currently have an application with DFU bootloader that runs on s110 5.2.1 on a rev1 nRF51822. If I upgrade to the latest rev3 chip, can I just flash it and everything will...
How can I compile a simple blinky program for the PCA10024 with the IOT SDK, and using the (iot modified) s110 softdevice?
I've been trying to get a simple blinky program...
Hi all,
I am facing a problem with pstorage_init() function. In fact after enabling the softdevice (S130), I am calling the pstorage_init() function. When debugging, the...
