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...
I have an I2C device that has an bidirectional interrupt pin.
This pin is pulled high externally with a weak pullup. When an event occurs on the device it pulls this pin...
Hello! I'm using sdk8 and s110. I want my peripheral device to send data to the central. I doing following steps:
1. initialize service:
void services_init(void)
{...
Hi,
i started writing a BLE application with the nRF51822 but i seam to have some trouble understanding BLE/S110. My application will consist of a button and an actor connected...
Hi there,
It states in the bill of materials for the QFAA RF PCB design of the nRF51822 that the 0402 model capactior is to be used. After using this capacitor package...
I'm using nRF51822-EK and running Keil compiler on XP within VirtualBox in a Linux Mint-14 host. I can't get the UART properly working through Segger J-LINK. It shows up all...
Hello Nordic Semi,
After being in production of a battery powered remote control for over a year now, we have found many batteries going flat in the field. I have been...
In my test, with the same configuration, ANTWARE II always searches much faster than nRF51422 software.
For example. I have Master channel and Slave channel set up at 4Hz...
The test code:
#include "nrf51.h"
int main(void) {
NRF_CLOCK->LFCLKSRC = 0UL; // Internal 32kHz RC
// Start the 32 kHz clock, and wait for the start up to complete...
Hi,
I have downloaded "mastercontrolpanel.3.7.1.8567.x86.msi" and try to install on windows xp of my intel core2 laptap. But it failed with prompt like "not a valid windows...
This question devzone.nordicsemi.com/.../ reports the fact that the driver cannot be used twice without manually pin reseting teh BLE dongle.
But there is another problem...
Hi Team,
I am using nRF51 DK as packet sniffer to sniff packets between Mobile and other device.
Why it captures only advertising related packets?
After successful connection...
Hi there,
If I try to store a global variable in flash I can't store it. But when I declare this variable in the main function I can store it in flash. Can someone tell...
Hello all,
I saw their was a new update for the nRF518-SDK and I was wondering how I should update this in Keil. Is this just a simple replace folder? Replacing:
...
I inherited an ANT/BLE nRF51422 project a couple of weeks ago.
It used SDK v6.1.0 and S310 SoftDevice v1.0.0
At the time, I'm sure that the SoftDevice download said...
