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 use the app_button lib to deal with button event ,things go well, I assign the push ,release and long push event to button event .
But there came a situation,while the...
I have noticed that when I run in release mode, turn WDT on, write bonding info, clear bonding info, and reset, my application suddenly uses 2mA more and takes 5 minutes ...
Hi all:
My iOS app use iOSDFULibrary to update my ble.But when the device enter into DFU mode ,it disconnected for a while.
This is my log:
2018-11-27 21:00:11.122263...
Hi Nordic.
Now I am working on a BLE smart card and am adding an external power amplifier. For low power consumption, i decided to give power only when I want PCB doesn...
Hi,
I tried to use nRF52 evaluation kit to program my custom board for that I have used Debug port P19 in evaluation kit. It was working in the beginning but after sometime...
Hello,
I tried to follow the instructions in this tutorial: github.com/.../nRF52832-buttonless-dfu-development-tutorial
1) I flashed this file via nrfjprog: examples\dfu...
The power estimation tool on https://devzone.nordicsemi.com/power/ maxes out at a minimum interval of 7.5ms and a maximum payload of 27 bytes, with 824mA average current....
Hi,
We need to develop an android app that can only scan a nordic ble and send out advertisment packet in our own customised UI and format. Getting the NRF_connect android...
Hi . .
I want to read the data and sent over ble UART app (via ble )
For that I am using Twi sensor ,in order to send the data what are the changes I need to do in twi...
Purchased nrf52840-DK boards for evaluation. Tested ESB protocol example successfully using Segger environment.
1. I could not find any prints on my host screen after i...
hi.......
how to choose the slave address for peripheral device ?
i am using nrf52382 and segger version 15.2
because i want to pass the address in twi sensor
guide...
Hello, Professional，I meet a strange phenomenon,now I use the nrf52832 IC, when I use the ble_app_hrs_freertos in SDK 11, the Power consumption is nomal, The Average current...
Hi,
I am using nRF24L01P and facing issue of RF Performance varies with batch to batch of nRF24L01P with built-in Antenna. To evaluate the performance of the IC and Antenna...
I am trying to run the blinky example together with freertos (nRF52840 pDK, pca10056, segger studio), so I took the hrs_freertos example and added ble_lbs service from blinky...
