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.
I am using S130 softdevice version.
Basically, I am using NUS Service and make a my own NUS central service as NUS_C.
It is correctly work at normal state.
When...
Hi All,
Please Reviwe for a attached circuit file(Chip ANT of nRF51822.pdf).
I also attach a datasheet of chip antenna applied for that circuit(SDBTPTR3015 Data Sheet...
SDK: V6.0
HW: PCA10001
APP: s110/ble_app_hrs
Question:
If use "twi_master_init()" with "twi_hw_master.c", the current consumption is added 1m
A. But if use with "twi_sw_master...
Hi I am completely new to ARM development world. I have been developing for years for PC.
Now I am working on a Project where we have decided to evaluate nRF51822 chip...
I would like to know if it is possible to use the internal RC oscillator without calibrating every 4s with the softdevice disable. I just want to read a sensor every 2s and...
I'm interested in using BT LE to collect data from a number of serial based devices -- a point-to-multipoint configuration. I'm familiar with the UART examples and have seen...
Hi,
i am searching for infos about my concrete BLE-Sig certification situation but i cannot see the forest because of all the trees :o)
i am currently developing a BLE...
Hi,
I know that a lot of question exists on that subject, but I can't manage to have an accurate battery measure on [Nordic Beacon device] (battery CR1632 3V) ( www.nordicsemi...
Using the nRF Beacons app, but cannot see the battery condition of each beacon. Is this already implemented - if so how to turn on? If not how is it implemented?
Using the nRF Beacons app, but cannot see the battery condition of each beacon. Is this already implemented - if so how to turn on? If not how is it implemented?
Hi,
after reading the nAN-36, I tried to write an application for the nRF51822, with the custom Led Service provided with nAN-36.
I take as a base the Nordic HRM application...
Hello!
I'm using the evaluation kit and i have two questions: firstly, I'm trying to make up a program that allows the communication between two modules, on one side a glucose...
Hi,
I work with Master Control Panel 3.6.0.8331 on x64 Windows 7 and I noticed something weird. When device name of a connectable peripheral device consists of numbers...
Hi!
I'm testing a custom service developed on the nRF51822 development board by using the Master Emulator API in a C# project.
The project is based on the example project...
Hi,
I'm trying to set up Keil uvision to debug my nrf51822 mbed board.
I've exported a uvision zip file from the mbed IDE to test with.
I've installed the following...