How do I receive multiple signals simultaneously at a single receiver (433MHz) with multiple transmitters ?
I am working on a polling system. This one is similar to the audience...
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...
Hello,
My setup:
PCA10040 DK,
12.2 SDK
I copied the "BLE_APP_UART" example into my project folder and want to "upgrade" it with the TWI.
So I copied parts of the "twi_scanner...
Hi all,
I'm starting with fcc and etsi test! i know that the radio test example is useful to test the radio.But the ETSI add two type test about receive emission spur and...
Hi!
So I managed to create my custom service with one characteristic (a struct with several attribs).
I can see it in my app and everything's awesome. Yay.
But in some...
I have been experimenting with the mbed BLE Health Thermometer examples, BLE_Themometer etc. Whilst they are visible and show their name in the nRF Toolbox Health Thermometer...
Hello,
with Android 5.0 BLE central and S110 8.0 peripheral I do this:
Erase all bonds in device_manager_peripheral.c
Check that m_peer_table contains zero...
Hi,
I would like to convert a blinky project for the BOARD_PCA10040 to my own custom board. I can't find on eclipse where "#define BOARD_PCA10040" symbol is defined so I...
Hi,
I'm trying to config my device with resolvable private addr (RPA) as code below:
rpa_add.addr_type=BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE;
sd_ble_gap_address_set...
We use SDK12.10 Main.c (d:\nordic\5142xx\software\org-sdk12.1\nrf5_sdk_12.1.0_0d23e2a\examples\ble_central_and_peripheral\experimental\ble_app_hrs_rscs_relay.
My question...
Dear Nordic Developer Zone,
In order to synchronize some tasks (motor-driving), I have recently implemented the radio notification interrupt.
In this interrupt, I toggle...
Hi,
After following all instructions on: gnuarmeclipse.github.io/.../
And after installing all Nordic Semi dependencies on eclipse.
I import on eclipse the UART_Loopback...
I'm trying to interface the twi driver with a ft200xd chip (i2c -> USB serial). I want to read the available bytes, but it requires a general call first see page 29 of www...
Hello everyone!
I got one question and could you guys help me out?
When I open the nRF Connect Mesh, after I program successfully, I can't initialize selected device while...
Hi, I'm working on a cross-platform application that needs to communicate with a custom peripheral (nRF51822 with S130 v2.0.1). I've implemented the interface for both Linux...
Long time reader first time poster upper.
I am working on a very minimal BLE send / receive scheme for a research project, and am not using a SoftDevice. I have written...
