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...
Hello,
I am using nrf52840 dk and ses. I have written the code for hcsr04 ultrasonic sensor and I getting proper values but I want to send this data over bluetooth and I...
This is a very simple question:
According to the documentation, each dongle is assigned a Bluetooth Address at the factory using some random number generation algorithm...
Hello,
this question has been probably asked many times, but I could not find any good matches using the search.
My setup: I am using nRF52832, latest SDK 16.0.0 and a...
Hi everyone, We are doing a prototype with the nrf52840 module and I need to Certificate the board for RF emissions. I have some questions related this:
1- The BLE module...
Hi.. i am using nRF52832 ... 15.2 sdk Version. i'm trying to communicate between a central device and a peripheral.so if multiple peripherals are present and all of their...
1. I use buttonless DFU. As I understand it, at startup the bootloader checks CRC of the application, and if it is ok it jumps to it. So if I accidentally deploy an update...
I tried with the DK and my own USB-serial adapter and both fails at 1M with HWFC with this error:
nrfutil dfu serial -pkg bltest.zip --baud-rate 1000000 --flow-control 1...
Hi I would like to interface the nrf9160 with amw136 (silicon labs) module wifi.
The amw136 has the interfaces: serial (UART, remote terminal), SoftAP and WLAN client (concurrent...
i am working on nrf52832 DK, i am trying to upgrade my development kit firmware using mobile
and i successfully build "secure_bootloader_ble_s132_pca10040.hex " application...
I'm currently using this setup on a fitness device prototype that will send battery status, scores and relevant infos. RPi >>>RFM69 915MHz )))))) ((((( RFM69 >>> Adafruit...
Hi,
I am using the softblink library in SDK 13.1 to control a RGB status indicator LED. It works fine, until I want to change the PWM settings or the LED pin.
The change...
I'm developing an interface I2C to one sensor including SCL, SDA and open-drain return to know if
the sensor is ready to work. After Reset by "Build and Run" form Segger...
Hi,
I'm a new guy for the development in nRF52840 and try to build the application by using 802.15.4. I have two questions, as follows:
Firstly, when I follow the instruction...
Hi, environment is nRF5_SDK_16.0.0_98a08e2 windows SES target is nrf52840. I am using the nordic dev board. The final product is a wearable, which will connect to a smartphone...
Hi All,
I'm using NRF52832 for our product. I test bootloader functionalities with development kit. The software system is also tested separately by directly programming...
