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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
Hi, engineer:
I need to compute FFT on nrf52840, I used sdk-demo fpu-fft, I tested the FFT operation time and found that it took 2 ms，That`s a long time, Did I configure...
Dear all, I have a problem with nRF52811 GPIOTE input interrupt. I have one sensor interrupt pin at GPIO P0.30 with external pull down resistor. I am able to config P0.30...
Hello community,
I have programmed my dongle as beacon. Now I want to stick them to the wall for experiment purposes. How is it possible to power them up via external...
Hello
I am considering a product that connects several NRF52840s to a USB 2.0 7-ch HUB and works with 30 BLE devices. When reviewing a product like this, there are some...
Hi everyone,
I have one question just for confirmation.The available analog pins on nRF52840 DBK are those provided by header P2 (six in total)?
Are there any more available...
Hi,
I'm working with NRF52832 in a BLE mesh project and I'm a newbie in this filed.
Project description:
- There're 5 devices in a BLE mesh network.
- In each device...
Hello,
in the corse of implementing pairing / bonding on top of the softdevice, I was looking for examples. The only example I've found, that seemed to not use the peer_manager...
Hi,
Currently i am developing BLE communication software for Android and iOS
This software is under Ionic development.
Is there any solution for Ionic/ Javascript development...
Hi !
When i try to open gps sample and enable SUPL client support with CONFIG_SUPL_CLIENT_LIB=y, i received this alert so i cant import project file:
I already have...
Hi all, I am working on light switch example and I want to perform different LEDs have their own switch, i.e. button 1 control LED 1, button 2 control LED 2. The problem is...
Hello,
I am working on a project where I can have Voice over IP on the NRF9160 DK. I am now working with a I2S microphone ( https://www.adafruit.com/product/3421 ) at the...
Hi,
I am setting a nrf52832 for an OTA DFU using BLE. I am on windows.
After managing to run the Secure DFU Bootloader following the getting started , I am trying to merge...
I'm using s140_nrf52_6.1.1_softdevice and nRF5_SDK_15.3.0_59ac345 on a nRF52840.
We are trying to verify that, indeed, we are successfully entering and using coded phy mode...
Hi!
I've been having some issues with the ppk recently. I've been trying to measure the current on our custom board but it was showing way too much so I tried on the DK...
What are the set of commands to send data from node (router or end device ) to leader through router,(not directly connected); in openthead cli mesh build example in https...
