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...
Hello, what is the BLE max range w/out usin PCB antenna?
And what range ll be if i reducing the connection interval down to the minimum 7.5ms, set Tx power to +4dBm using...
I am using the nrf51822-QFAC-R in an application where the realization of the antenna is very challenging, and I expect to have an antenna |S11|=-1dB, with variations of the...
Hello, I want to clear things up a bit, all these concepts are starting to overwhelm me somehow. I want to know:
What can have UUID and handle? I understand that profiles...
I want to use ATMEGA 328 to send a packet over to the chip as follows:
SPDR = packet ;
Can some one kindly post what the content of this packat should be ?
is it possible...
hi,
i am working on FDS. here i am able to write number of records and also able to read them back.
but while updating i deleted one of the old record and writing new...
Hello,
I have some problems with UART communication with my nRF51 DK.
When I connect it through USB cable, all is ok. But when I connect pins: P0.09(TXD), P0.11(RXD) to...
Hello, i have a question.
Can nRF51822(s120) handle more than one connection at same time?
Let me explain: i have one server(nRF51), and two(or more) clients(nRF51 and mobile...
I've got an application that does a lot of nRF51822 GPIO wiggling and the timing needs to be controlled. In one spot I simply set a pin high then low like this:
nrf_gpio_cfg_output...
As shown in title, I am using the ubuntu 14.04 in virtualbox.
When I connect the Nordic 51822 development kit to my PC, I can only detect the serial number of this device...
keil uvision
Hello. I don't know how to get away from the warning "last line of file ends without a newline".
I added new line, but nothing change. It happened with my own...
Dear Sir,
Here I would like to disable the Adversting idle power down dynamically but in some situation it will fail.
The APP_ADV_TIMEOUT_IN_SECONDS is 180 seconds as...
I implemented a custom Bluetooth service on the nrf52_sdk similar the BLE LED project in the mbed site however when I copy the hex file and look at the debug output at the...
I am trying to setup a couple systems to use the Nordic rf sniffer. I have a pca10000, a pca10001 ver 2.0, a pca10001 ver 2.1 and a pca10031.
I loaded all with the rf sniffer...
Hello,
I am sending below setup packet to nRF8001, and i don't get any response form nRF8001. ACI as such works fine, i tried sending diff commands and able to receive...
Hello,
I am using Lenovo (late 2015 release) with android 4.4.4.
Got my nRF51822 Bluetoot Smart Beacon kit and downloaded the applications that are available on Playstore...
