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...
I updated my MCP to the newest version and then the new MCP wanted to update the pca10000 with the newest firmware--> failed. Now i can't get my pca10000 to work again. i...
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...
