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'm creating a simple program for the nRF52840 dongle that is running a RSSI scanner. Scanning on different BLE channels in the environment. Much like the nRF connects "RSSI...
Hi, Friend,
I have a light sensor connected to P0.04/AIN2 on 52820, and use COMP to detect the change of voltage.
Here is my test code. When light change, the return value...
There have been previous tickets about bsd_init() not working with trace_on=false, but the support team said it had been fixed in 0.7.x. However, it's still failing for me...
Hello sir/ma'am,
I am facing this problem while interfacing with nrf52840 dongle dht11 sensor
Which custom id should I write here in screenshot2 and how to debug the DFU...
The nRF9160 DK has an I/O expander that can optionally be used to interface the LEDs, slide switches, and buttons.
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf91_dk...
I want to send sensor data over nrF Mesh using sensor example from Mesh SDK. However, I found that the values over 256 in decimal are not received by the client. What changes...
Hi,
My bootloader and application work good, I take example from SDK 12. The DFU work correctly but at the end my DK stay in bootloader mode and don't reset to start the...
Goodmorning,
I'm working on a project running on nrf840. I would like to add a speech recognition system able to recognize some words ( more or less 10 words).
There...
Hi,
I'm trying to get the current epoch Unix timestamp (or the number of seconds since 01, January, 1970).
I'm using the date_time.h library as Carl Richard suggested...
Hi,
I wish to combine nRF Connect IPSP sample project for nRF52 DK (v1.4.2\zephyr\samples\bluetooth\ipsp) and add MQTT on top of 6lowpan. If yes, any guidance to change...
I have a 9160 project, users hope to display on the screen as soon as possible in the boot of operators NB signal value, actual test when I found this problem, on the product...
Hi, can you assist please....
I am using the Hrs example in SDK 17.0.2 as the basis for an application.
Using an unmodified code by loading the supplied hex file ble_app_hrs_pca10040_s132...
Hi, I'm using nRF52 DK (nRF52832) to detect my sensor. The sensor I2C address is 0x21 (verified by Arduino UNO).
My nRF52 DK (master) could detect the slave sensor before...
Hi,
nRF9160 examples in NCS, the MQTT publish payload now with a pre allocated buffer, is it possible to support streaming payload to save memory usage for large payload...
