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...
Hi I use 4 characteristics in peripheral and central. When I write to one of the characteristics in the peripheral, I read it using sd_ble_gattc_read in the central. But,...
Hi,
SDK14.0
nRF52832
I am using the dfu\bootloader_secure_ble example as my starting point. My goal is to create a very simple bootloader (with none of the dfu stuff...
Hi
We are trying to use the uECC library file (micro_ecc_lib_nrf52.lib) with our project that is built in Kiel. We have followed the instructions found here using the open...
Hello,
I'm using SDK 132 (v5), kiel 5, SDK 14 and the nrf52 dev board.
I'd like my application to have multiple Offical Services (Heart rate, Humain temperature,...
Hi,
For my new project, I copied the linker script and Makefile from examples/ble_peripheral/ble_app_uart/pca10040/s132/armgcc to a folder and changed the SDK dir and project...
Hi All,
I have developed a device using the nRF51822, and the connection interval is set to ~1000ms.
When reading a characteristic from a Raspberry Pi, we are timing...
Any updates on this from anyone? Please advise
Hi,
The i2S microphone that I am using requires a over sampling rate fixed at 64 therefore the WS signal (LRCLK on nrf52...
Hi community, I'm running a 51802 on my custom board with no other parts on it, except for some buttons and leds directly connected to GPIO, and a DC/DC converter which feed...
The term 'slot' is used in the context of the Eddystone beacon specification.
I cannot find a definition of that word.
For example, the sample app from Nordic says ...
I set up an account a few days ago on nordicsemi.com and today it's rejecting my login. I then requested a new password which was sent to my email but when I copy and paste...
I am studying how to update the firmware through BLE at the moment. I used the example project of "ble_app_buttonless_dfu", but I am having many questions that I don't understand...
Hello everyone,
My job is to migrate a functionnal code made with IAR to GCC Eclipse.
When I compile with IAR and flash the hex file (softdevice and application) using...
I'm using:
bootloader_secure example in SDK 12.3.0
SoftDevice S130 nrf51 2.0.1
Is a bootloader update 100% failsafe against power loss anytime during the process...
Hi:
I am using nrf52832 and I met a strange problem:
SDK version: nRF5_SDK_12.2.0_f012efa
First experiment(NO BLE):
using example peripheral/timer:
code...
Hello Everyone, I want to use NFC on nrf52 DK to wake up the board from System off. Is there any examples similar to this situation where I can learn more about NFC and Sense...
