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...
If you look at the secure bootloader example the nrf_bootloader_init(...) never return to main scope unless an error occurs.
Everything is handled inside this function even...
The " 5.3.6.8 Reset behavior " table in nRF52840 Product Specification v1.1 mentions that WDT reset does reset the WDT itself.
I'm trying to reconfigure the WDT after a...
Hello,
I am using HC-SR04 ultrasonic sensor and nrf52840dk. To measure the distance I have to find out for how long the ECHO pin of the sensor remains high.
for that I...
On my old Wondows10 development computer, all worked OK.
In a brand new Windows10 laptop, all up to this point installs/verifies fine using nRF Connect.
I cannot find...
Hello, I'm making a PCB project with nrf52832 and I want to use my debuggers only 2 pins(SWDCLK and SWDIO) to debug it. I have J-Link Edu, but I wonder if I can use it with...
Hi, All.
I' m studying nRF52832.
I have a question about example "ble_app_uart".
I m trying to send to smartphone using function "printf()".
Uart pins(RX, TX) are...
Hi everybody! I have a code running excellently on my nRF52840 DK. I would like to make it run on my nRF52840 dongle. What should I change in my SEGGER project? Can anybody...
I am building a project which requires accelerometer data from the LIS3DH accelerometer be read and then transmitted over bluetooth. I have successfully setup bluetooth transmission...
Hi,
For my project I need to receive 9 bytes of data from our main board. This data gets send using UART.
By looking at the pin diagram I could not find specific pins...
Hello,
I am running nRF Connect for Desktop v3.2.0 on Win10 64-bit machine. Everytime I launch an applet, such as Power Profiler, I get a new blank window and nothing happens...
Hi, I am having a problem changing information advertised by the Beacon while the application is running. I started with the app_ble_template example and added Information...
I have an nrf52832 dev board with me and I'm using nRF5_SDK_15.0.0_a53641a SDK version. I'm using the project " pca10040_ble " inside the " secure_bootloader " folder from...
Hello,
We are evaluating Thingy:91 for NB-IoT. We want to validate the RF transmit test and are using %XRFTEST command.
The syntax is as follows, AT%XRFTEST=1,1,3,18000...
The TWI_Scanner example is building and downloading fine (using SES) but it just prints:
"TWI scanner started."
Then nothing in terms of scanning addresses etc.
It does...