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 all
i want to make BLE peripheral app for send data to via UART but i don't know about which sample good for my purpose? so please tell me which sample good for my requested...
Hello
I have a very strange behaviour with debugging the mqtt_simple example for the nRF9160. The example is crashing in debugg configuration. (This happens with Segger...
I am using Nordic SDK 14.2.0 with the pca10040 and I want to integrate the Buttonless DFU functionality into my project (started with the Nordic BLE app template).
I tested...
Hi All
I want to add some custom source files (.c) & header files (.h) to an existing project.
I tried adding it by right clicking "Project app/libapp.a" branch of the...
I'm getting started developing an app for nRF52811. have worked with nRF52832 before. I was wanting to start my development on top of the basic ble app template project, from...
Hi,dear engineers,
I refer to the examples in nRF5_SDK_14.2.0_17b948a\examples\ble_peripheral\ble_app_buttonless_dfu\pca10040\s132. I Port it into my own program. it seem...
I try to send the NRF_LOG_INFO() messages over a own backend interface. I tried to add a new backend with nrf_log_backend_add() and enable it with nrf_log_backend_enable(...
I am trying to do Secure DFU through WebUSB [1] . I need suggestions to move forward.
Some starting points I found :
DFU Protocol
I did saw that SDK 15.3.0 outlines...
Hi all
nrf52840 Development board,sdk is nRF5_SDK_15.2.0_9412b96 ,PC is windows 10 .My testing master device is cell phone(Huawei HTC and so on,android system),and using...
Hi all,
Our custom board has 2 MCUs connected each other via UART to implement 2-chip configuration.
One is the main MCU which has Cortex R4 and the other is nRF52810...
My company has developed an application in Python3. We need to integrate the pc-nrfutil scripts ( https://github.com/NordicSemiconductor/pc-nrfutil ) with our application...
Dear All,
I am measuring VDD and VDDH using the internal SAADC. In normal mode (VDDH not connected to VDD) the reported results are good (3.0V and 1.8V for example). But...
I am trying to use PN532 on nRF52840. Nordic SDK has an example Adafruit Tag Example but it is for nRF52832. I have ported the example but it fails in TWI Communication. ...
