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'm facing a weird problem resulting from the following code:
while((!twi_tx_done) && timeout--);
The main file and the MPU9150.c which includes this command...
Hi, I try to capture ipv6 over ble packet.
So, I construct system like, nrf dk 51(with sensor) - rasp
nrf-dk 51 is equipped with coap-server source and rasp doing like a...
Hi everyone,
I have a really weird problem.
I created a makefile based on Nordic's example from the app_template and created 2 additional targets, one called "debug" and...
I have upgraded my laptop to Windows 10 and all hell break loose.
When I either connect the board or the dongle, they are stuck in a loop of connect/disconnect behavior i...
hi,
i am using ble_uart example in which i am sending 3 byte of midi data
(90 1e 45 0a .E.)
i am getting (.E.) when i converts this ascii value to hex value i get (2e...
Im trying to provide DTM functionality for certifications tests. I can't setup an UART interface, I found the below code which tries to use DTM without UART. it uses channel...
Hello,
I've read a lot about trouble people had when they used bluetooth and flashed the rom without using the propper softdevice APIs.
What is the issue with concurent...
Good morning.
I ´m working with nrf51-dk, sdk 9.0.0 and softdevice 110.
I have done a proyect without softdevice, only uart and master spi (mode 0) and works perfect...
Hi, I flashed the Proximity Application to nrd51822,with s110_nrf51822_6.0.0-5.beta.
the chip run right, and I used the NRF Master Control Panel, when I write data 0X02 to...
Dear all,
I have tried using a setting a break point in main() of my program. Without running the softdevice, it is fine to pause in the break point and continue to run...
Hi,
I am developing a product using nrf51822. While pcb designing I am getting a clearance error. Please let me know how to resolve it. All the dimensions are 8mil in clearance...
Hi,
I am editing my question:
I have seen some strange behaviuor I could not explain. In order to test it I have made the next test program:
I am using the application...
Hi,
I recently bought the nrf 51 development kit. Before implementing a BLE application on the board I wanted to start with a simple application of blinking a LED by pressing...
1.I have a nRF51_DK and nrf51822(waveshare core51822)
2.Keil 5.18v and all of the needed software were Installed
3.s130 1.0.0 or 2.0.0 and sdk9.0 or 10.0 were used ...
