Hi,my friend,
Now,I use nrf905.Situation is as follows:
I use the NRF PCB circuit of data manual.Nrf905 work, often loss of data.
1.The Product host is to use the stick...
Hi,
I want to use the Blend Micro with more security. I want use a passkey for the Bluetooth connection. For example through the iOS Device.
Is it possible? Static passkey...
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...
Hi,
I am working on the nrf52840 DK using "nRF5_SDK_16.0.0".
I tested out the example code for USBD Audio in "examples\peripheral\usbd_audio".
If I use the default values...
Hello. I evaluated the effect of temperature and humidity on BLE connection stability. I thought that the effect of humidity was higher than that of temperature, but the effect...
I'm trying to rate nrf52832 now. I'm using Keil uVision5 as my development environment.
I have written softdevice s132_nrf52_7.0.1 for the target.
I'm trying to set the...
Dear Sirs:
I use 52832, and there is 512KB internal flash.
So, I am wondering if I could have my own flash partition as below.
- Bootloader (w/ capability of firmware...
Hey all,
I've been bringing up the nRF9160 Feather and noticed some curious issues with adding an external partition when MCUboot is enabled.
I first tested the external...
We are developing a board based on nRF52840. One of the pins we would like to use as GPIO is P1.09. It is configured as GPIO (the same configuration as P0.12), but the output...
Hi,
I compiled and flashed my nrf52840-DK with "examples/peripheral/usbd_audio" and I noticed a few things:
Under Linux (Ubuntu 18.04) the microphone isn't listed. ...
We were use secure ble DFU and it work fine, recently we added serial DFU code with BLE DFU. Tested serial DFU with nrfutil and it also works. but problem in serial DFU is...
I try to invert the Signal on a PIN of the PWM module 0. It sould give out the inverted Signal of another PIN from the same PWM module.
I tried it like the code below...
We have problem in background DFU while updating Application with RBP,
Config: MCU : nRF52840 SDK : SDK16 Softdevice : s140_nrf52_7.0.1_softdevice (SDK16)
Case1:Programs...
Hi,
I'm trying to understand how to powermeter bike works. I read the ant documents and execute example bpwr ant code, but I have a question how cadence in power meters...
Hi, is it possible to reset the nvm in the nrf9160 modem back to factory settings?
I've made some changes using CFUN=0 and would now like to reset these back to as delivered...
I have an application using 4 wire SPI connecting to a 2MB data flash. An application using UART (no BLE) works fine reading and writing to this device. However with BLE enabled...
HI
I need to perform some RSA tasks on my NRF52832, but I don't see any RSA files under nrf_crypto folder of SDK v16. I am trying to use RSA from mbedtls external folder...
Hello:
I asked a question a few months ago
https://devzone.nordicsemi.com/f/nordic-q-a/54708/about-nrf52840-save-file-error
However, the follow-up did not get an answer...