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 am using the nRF52832.
I want to go to sleep in absolute lowest power mode possible that still allows a timer for wakeup. Using LFINT.
I don't need ram retension, etc...
Code example: nRF5_SDK_15.2.0_9412b96\examples\peripheral\usbd_ble_uart_freertos
Board: custom board with nRF52840
What are the fastest and easiest steps to make this...
Hello,
I am trying to code nRF52840- DK with MAX30003 ECG Board Using SPI. I have referred Arduino Uno Code for MAX30003 ECG.
I need some help for Driver Development if...
Hi,
Is there a way to dynamically disable only the fork of a PPI channel or should I go through disable-free-alloc-assign sequence?
Will nrfx_ppi_channel_fork_assign...
hi, nordicer:
two device, a peripheral and a apple phone as central. we want to support scan request and response with ADV_IND mode, I understand as following:
(1) peripheral...
Hello,
I use the LAIRD module BL652 with the nRF52832.
My project consist of do a synchronous between many board. Each second, I restart a timer of 1 second.
I include...
Hi guys!
I want to add SPI to my BLE project to read some data from my gyro.
Adding other headers was no problem, but when I want to add some code from the SPI-Example I...
Hello,
I am trying to run mesh DFU examples in following environment:
Distributor ID: Ubuntu Description: Ubuntu 18.04 LTS Release: 18.04 Codename: bionic
I have installed...
I am in the process of porting a current production application from SDK 13.0.0 to SDK 14.2.0 https://devzone.nordicsemi.com/f/nordic-q-a/39494/dfu-migration-sdk-13-0-0-s132...
Hi!
I used nRF Connect Programmer (desktop version) for writing firmware connectivity_1.2.3_115k2_with_s132_3.1.hex. And nRF52840 dongle doesn't display in the device list...
Hi everyone,
Yesterday I asked a question, but no one has answered yet.
Previous question:
https://devzone.nordicsemi.com/f/nordic-q-a/35067/nfc-tag-can-t-work-with...
Following file: nRF5_SDK_15.2.0_9412b96/modules/nrfx/drivers/src/nrfx_saadc.c
I've now just add gcc specific unused attributes.
This is just a work around. Best would...
Hi!
I am planning to move sample code of uart.because I port the function of uart to spi sample code.
now i take the SDK14.0.0 and uart sample(examples/peripheral/uart...
Hi, I can make a DFU over BLE with nRF connect 2.5.0 Bluetooth Low Energy, all is OK. I use my nRF52840-Dongle PCA10059 (Serial port: COM19 | USB: Nordic Semiconductor nRF52...
