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...
I am using a nRF51822 to send data to an iOS device.
Because latency is critical to my application, i 've set up a test program that sends a packet every second , using notifications...
I have some questions about the scan response packet.
Can a scan response be sent with a peripheral that is configured to be connectable? IE not a beacon.
I read...
Dear Nordic Team,
Thanks for support.
I am using nRF5_SDK_11.0.0. How can i initialize the softdevice with internal RC oscillator in my source code. I am using the below...
Hello;
I'm trying to get data over the TX pin to be sent to the RX pin on a Raspberry Pi.
I have it working on several boards: The nrf51822 Development Board, the Redbear...
The radio notification tutorial ( devzone.nordicsemi.com/.../) says:
"The distance is the time window before/after the radio goes active. The radio events are radio_on...
I'm slightly bamboozled by the LFCLKCSRC options in the NRF52 datasheet / product specification.
Bit field SRC makes sense. Set to 0 for the internal RC oscillator, 1 for...
Hi
I am currently using the boot loader from SDK7.2.0, compiled using Keil.
However, for all the other software I am using GCC. But GCC support for the boot loader was...
Hi, i am trying to send my notify characteristic every 100 msec, i am using timer for this and when i am connecting to the nrf app, my nordic device is sending the data but...
Hello,
Thanks for your reading.
I tried to read the CHIP_ID value(0xD1) of BMI160 in MetaWearCPro firmware using SPI.
But I could not get the correct value(0xD1). The read...
Hi, I use the following.
Raspberry Pi 3 (RPi3 with Raspbian Jessie 4.4) as a router,
RPi3 is connected to a Wi-Fi router to access the Internet by using the built...
My development Kit is official PCA10040, and SDK is SDK 11.
when i opened the keil project of ble_app_multirole_lesc int the examples of SDK with Keil MDK5.14 and compile...
Hi,
I've got a nice, well-documented bug here:
github.com/.../25
The short of it: Adding a single printf() statement to this mbed OS example causes my nRF51-DK board...
Hello all I am new Nordic and Bluetooth, before starting my project I did small experiment to understand the system i did the following steps.
Used nRF51822 -32 KB...
Hi all ,
I used SEGGER Embedded Studio v3.10 , and import a ble_app_uart keil project , but now build warnning as follow:
create .elf file have a warning "cannot find...
I'm using a nrf51422 customised board. I want to push the firmware to Bootloader mode via ANTware using a payload. But if i use graceful shutdown, the application malfunctions...
