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...
Hi All,
i would like to know in ble_app_hrs example gpiote_init() is called from main
and then again called in led_start for what purpose it used in 2 place.
can...
I see that we can specify the SPI frequency in bps, I was just wondering how fast the SCK line was oscillating for these values. Does it use the 32.768 kHz crystal oscillator...
If the nRF51 chip is in System Off state, do the GPIO pins retain the pull-ups or pull-downs? If so, what value do they have and how much current can they sink or source?...
Hi all,
when i want to connect different peripheral on central(s120).
it have a error and disconnect.
it seem ok , but that will disconnect later.
ant it get disconnected...
Now I using 51822 to develop a product, I would like to know, can I change the connection interval after connected? or I can only setup the connection interval before connected...
Hi,
is it possible to use the nrf ibeacon which is designed for advertising his data, as i think , to use it also as an observer which can receive data from other beacons...
Hi there,
I am looking for the nRF51 SDK , version 4.3.0
While some previous versions are linked if you click on the version number in the Downloads section (see similar...
Has anyone tried Keil 5.11? I get a parsing error when installing/repairing SDK when it imports the device pack into Keil. 5.10 works great.
The new parser is complaining...
Hi, I cannot install nRFgo Studio 1.17.0.
Installation rollbacks during the installation of libusb 1.0.
My pc has Windows 7 64bit with .Net Framewrok 4.5.
No boards are...
I can't make sniffer working with my HW, everything seems to be working correctly and as described in the help file, but I've never seen any sniffed packet yet. So I've decided...
Hi Guys,
since yesterday i am trying to get the DFU with Softdevice S110 (BLE) v7-alpha3 working but haven't succeeded yet. My process is the following:
s110_nrf51822_7...
Hi All,
i would like to know about
1) what is channel in nrf51288?
2) is there any mathematical relationship between channel no and pin no as in ble_app_hrs
example channel...
Hello,
We're looking for easy way to communicate between nRF51822 configured as central part with C# application.
Ideally we should use standard firmware which forwards...
