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 have a custom board with an I2C connected sensor ADXL345. I have to do GPI/O initialization to select the I2C. This works because I can read the ADXL with custom I2C commands...
Hi
I am using nrf52840 in my custom board. I have a gpio button which is assigned for as a factory reset button. So when i press the button the whole board needs toi be...
Hello,
we are looking to develop multiple BLE audio source which sends the mic data to the receiver and the receiver receive the audio data from multiple transmitters...
In my design, I aimed to isolate the USB interface. To achieve this, I used the Analog Devices USB isolation chip, ADUM3160BRWZ, to isolate the connection between the PC and...
When I need to switch between 1M and 2M
I create an object of the type bt_conn_le_phy_param and fill in the parameters appropriate to the radio mode I want, and then I call...
Hello,
I would like to know if the nRF9151 is suitable for building a product that will be able to monitor (read) multiple pulse signals originating in utility meters (electric...
We are using nRf5340 and nRf7002. In our application , we are connecting wifi and goes to ksleep for few minutes.
After wake up from the sleep. wifi is not reconnecting...
Hello all,
I ported an old nrf5 application from SDK 12.3 to SDK 17.1. It uses S112 7.3.0 and FreeRTOS. Unfortunately I am getting time variant softdevice hard faults at...
While testing nRF FOTA download library we noticed that it supports only one image update at a time (download image, then reboot).
Irrespective of the image (either application...
Hello, I just upgraded from SDK v2.5.0 to v2.7.0 and now I have a problem updating the bootloader.
In my project I have b0, the mcuboot (in s0 and s1) and the application...
Hello, I followed Getting started guide for the nRF54L15 PDK ( Getting started with the nRF54L15 PDK (nordicsemi.com) ) and bumped into a problem when i try to build "hello...
I am using the following example as a reference for setting the TX power in a peripheral Bluetooth connection: https://github.com/nrfconnect/sdk-zephyr/tree/v3.6.99-ncs2/samples...
Hi, we are doing testing with a Nordic dev kit and looking for ways to check the status of GNSS.
We are becoming familiar with the XGPS command and notifications: docs.nordicsemi...
How can I return from k_sleep (or any other "sleep" method) when an interrupt occurs?
I would like my device to sleep (low power) until a GPIO pin toggles, then wakeup to...
