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...
Greetings,
I'm experimenting with iOS and bluetooth, using the Heart Rate Monitor example. I have tried, and failed, to convert the NSData I get from the "Heart Rate" characteristic...
In one of my current projects, I need:
to have access to more than 8 kB of RAM (which is not possible when using SoftDevice)
to have Observer role (which apparently...
I see many questions regarding developing applications without the SoftDevice. Perhaps I don't understand how this firmware system works, but isnt the SoftDevice required...
I am new to Bluetooth 4.0 and want to use for a specific application. I intend to modify the Bluetooth 4.0 protocol and would need continuous transmission of packets. Is it...
hiii....
i am using lightblue app in i phone to connect with the advertising device...in my ble profyl i have 5 services and 5 characteristics in each... most of dem i...
I make a call to sd_ble_gatts_hvx, and get an error. The call produces an error and I end up in ble_debug_assert_handler
From ble_debug_assert_handler:
The file name is...
Hi,
I've tried to implement s120 softdevice (version 1.0.0 production ready) on NRF51822 Development Kit and run ble_app_multilink_central example from sdk 6.1.0 on it but...
My devices should be able to "see" each other and at the same time they should be able to extract some information from a received Advertising packet. After reading about...
Hi, I use s120 stack. Peripheral device sends a notification 6 in a row, but the central device receives only the first 3 notification. How to get all the notifications?
Hi,
I have 2 pins with PULL_UP in sense mode and when i use sd_power_system_off() i measure 25mA current, which is higher than when my system is on (around 10mA)!!
How...
We are using an nRF8001 with bonding. We are trying to figure out how big the dynamic data is that we need to store (since we are used a fixed-size storage in flash memory...
I just received my Beacon Kit and need a programmer/debugger but money is tight. These are the options I'm looking at:
cut the traces on my nRF51822 EK board and add...
I wrote an application that works using an Enhanced Shockburst-compatible protocol (because I need it so), using the RADIO interface.
What happens if a packet with an address...
Hi U guys
First I’m pretty new I use of bluetooth low energy, so bear with me.
It is pretty simple, I need to send a temperature each 10 sec. or whenever it has changed...