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,
I started to make an app for a board with nRF51822 with softdevice S120 version 1.0.1. Now I would like to have the DFU implementation in it but I am stuck at the...
DFU create my image,i have a question as follow:
i can open nrf.exe（By default, the tool is located in the C:\Program Files\Nordic Semiconductor\Master Control Panel\3.9...
I want to experiment with recording observations of the beacons with raspberry pi's.
Is there any precompiled firmware I can install on the nRF51822 smart beacon...
Working on a wireless mouse project using an Interlink micro joystick ( www.interlinkelectronics.com/MicroJoystickHDK.php) and nrf51822 ble module. Movement of the interlink...
I've read through the DM code in the S110 library of v8.1, so this question is just asking for confirmation of what I'm reading.
The device_instance_allocate function returns...
I have an old version of nRFgo Studio and nrfjprog installed on my computer (version 5.2.0.45231). I use nrfjprog from command line to flash my devices (easier than clicking...
Hi, I am developing a coin cell powered NRF51-based device that needs to keep track of reasonably accurate real time (no calendar, just number of seconds) in a long term ...
hii,
i am working on ble project where i would want to read the name and address of a slave.The example i am looking at is "nrf51_sdk_v6_1_0_b2ec2e6\nrf51822\Board\nrf6310...
Hi All,
I am trying to make a nrf51822 talk to a SPI display by using the SPI Master.
My problem is that the display does not give any output, only takes input.
The...
Hello,
I am writing an application in Qt that runs on the computer and interacts with a nRF51422 via BLE. Now I have noticed, that I have to tell the framework, which address...
How do I reset nRF51822 to shut down the debug port?
I have a custom board with a built-in battery and strong power management.
If I power up the board without the debugger...
Hi All,
My goal is to advertise the generic packets untill a GPIO interrupt occurs. So in order to achieve low power consumption I have increased the time interval of those...
bootloader.rar (/attachment/d5fd4fbbc7d37433740f6c9468f3110b)
bootloader_dfu.rar
Hi,all.i want to set same macaddress with my app in bootloader,and advertise it in bootloader...
I have a pstorage Clear and Store that I use just before calling bootloader_app_start() in my DFU bootloader code. Everything was working great testing/compiling (GCC) under...
Hi,
we'd like to use nexus 7 II(android 5.1.1) to connect nrf51822, but cannot connect if nrf51822 uses whitelist.
step 1. we send advertising packets without using whitelist...
