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...
Hi all,
After receiving data from my host app, I am trying to write to write the data to flash with the sd_flash_write command. I have 3 pages of data to write, so need to...
Is it just me, or is the documentation for SDK 9 broken? When I try to access the end nodes(where the actual info is), I get a blank screen. I'm having to use the docs for...
Hi,
My nRf51422 based device holds bonding with single central device and once it bonded it will do whitelist advertising at connection lost (whitelist has one address)....
When I send the command to the 51822,so the 51822 ready to DFU,but wait for a long time,51822 is staying at a DFU state,that means 51822 can not work.How to solve this problem...
I'm just trying to build one of the example apps for the beacon kit and I'm running up against this cryptic error when trying to use dfu genpkg to build an application only...
I am using nrf51822 custom board(no input output capability) i want to make communication between BLE and PC and i want encrypted link connection whether i have to initialize...
Hi,
On the ANCS example the flag LIMITED_DISC_MODE is set, but when I sniff the adv packets they have the flag off. This is both when is fast or slow advertising.
Am...
Dear all, I wanted go a step forward on BLE services and characteristics trying include two characteristics on a BLE
service, I think one of best examples is Github ble_app_lbs_master...
Device : PCA10028 + PCA10031
tool: Keil free (32k)
Objective : to learn to write BLE apps using Nordic 51822 QFAB chip (I designed a prototype board with this chip, but...
nrf51422_xxac.hex board = for nrf board PCA10028
use sdk 8.1.0
error for dual_bank_ble_s110/armgcc/_build/nrf51422_xxac.hex
use master controll panel version 3.10.0.14...
Hi all,
I am currently developing a firmware on an nRF51422 which supports ANT communication with softdevice S210 and that lights up WS2812 LEDs (or Neopixels). To light...
I'd like to get a notification every time after the radio has been active (as shown as NACTIVE in the S110 rev 1.3 spec). How can I make this mappen?
I see two functions...