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 want to enable Notifications in my Central for a particular characteristic advertised by my Peripheral. There's example code that is supposed to do this in the BLE Central...
Hello,
i have a question about the use of the dc/dc converter in use with the softdevice S310 v3.0.
We make some difficult calculations and so the sensor its on for 750ms...
hi
as we know,ANCS need to pair,we have app for ios,iphone will pair with our devcie when i connect my device by my app,so iphone will connect my device when user open...
hi
my customer want to add DFU funcation to their APP(ios and android),i give them nrf toolbox source code ,i hope they can separate DFU funcation from that source code...
In my application I have to advertise and scan, I know these two actions are multiplexed and there are no problems when there is no BLE connection (I use s130, sdk 9.0.0)...
Hi all,
I'm developing little project on nrf51 dongle(pca10031). After few succeses now I have big failure which stops my work.
How my environment looks like: Ubuntu...
I built the GCC bootloader from source based on the suggestion of another user in this forum instead of using a precompiled hex file. The Softdevice is 7.1.
It shows DfuTarg...
I have a min connection interval of 200ms and max of 250ms. I have set slave latency to 10. These parameters are set both on peripheral and on central. Still, after connecting...
Hi! I am working on a project that uses the Multilink example. On the client (nRF51422 w. SD 120) my program crashes and starts the main loop again after a few seconds. I...
Hi,
I'm developing a device that will be powered by two AAA alkaline batteries.
Since the operating voltage of nRF51822 is 1.8 to 3.6V I was considering to connect them...
Hi,
the example ble_app_uart_s132 from the SDK 0.9.2 is not longer working with the new release of S132 ( s132_nrf52_2.0.0-7.alpha). I had to go back to s132_nrf52_1.0...
My setups are:
RBL BLE Nano
nRF51_SDK_9.0.0_2e23562
Keil uVision V4.74.0.22 or gcc-arm-none-eabi-4_8-2014q2-20140609-win32
My design is to advertise a manufacturer...
I'm using nRF51422 with SDK 9.0.0 and S310 ver 3.0.0.
First, I program softdevice and dual bank bootloader by nRFgoStudio. After that it is possible to program my application...
Hi all,
first of all thank you for such a great knowledge base and community exchange.
I am pretty new in the development for nrf51822 devices.
I managed to run the...
The comment above app_button_init says, in part:
* @note Normally initialization should be done using the APP_BUTTON_INIT() macro
This macro is also mentioned in the...
