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 know the Project options can be configured in the iar_nRF5x.icf file, but there is no option for ram size. If the RAM start and end is given, I guess that is the ram size...
In the BLE Characteristics, a beginner's tutorial
Martin mentions:
Since this is a beginners tutorial we will keep it simple and leave the doors wide open. No security...
Hi. I am having trouble getting the sd_app_evt_wait() call to work correctly in my code.
My main program works like this:
<inits>
for(;;)
{
<read saadc>
<sd_app_evt_wait...
I have configured the nRF52832 as a GAP peripheral and wish to establish multiple concurrent connections between this and GAP central devices (Phones). Is this possible? What...
Hi,
my current project needs an i2c slave eeprom emulation like it is in the example projects of the sdk. The difference is that I need a larger packagesize of one transmission...
I want send out 6 notification in one connection interval. But now I only see 3 packets in my sniffer. So I want to know how to achieve this goal?
This picture is captured...
I'm using nRF51(822) with S130.
I registered my event handler with:
softdevice_ble_evt_handler_set(ble_evt_dispatch);
In my main loop, I call sd_app_evt_wait(); ...
Dear,all
device:51822 s110 sdk8.1.0 adverting interval:1s
or exmaple hrm s110 PCA10005
i use moto Z phone and nrf connect apk,it is difficult to receive
the advertise...
Hi, I have created a custom PCB (FR4, 4-layered) which uses nRF52832-QFAA.
This PCB uses the λ/4 printed monopole antenna .
I wish to measure the RSSI value of this...
hi,all
i use sniffer.exe(ble-sniffer_win_1.0.1_1111_Sniffer),and sniffer connection data,the sniffer.exe often automatically quit.
the sniffer pcb is not nordic.
anormal...
Hi,
Instead of initiating the DFU library in Android with an address is it possible to handover a existing GATT connection to a device already in DFU mode?
We have cases...
Hi,
I try to add support of dfu in our appl. In documentation I could not find info about softdevice size which should be provided in start packet. It looks like I should...
Hi,all
SDK:8.1.0 51822
S7 Edge（android V7.0）
i use the sumsung S7 Edge and the oppo R9S connect with my device,nRF Connect is often note:
GATT_CONN_TERMINATE_LOCAL_HOST...
for ble_app_ancs_c_s130_pca10028 example of sdk11,s130 version 2.0.0
The preferred RAM,ROM and UUID COUNT is shown below
FLASH (rx) : ORIGIN = 0x0001B000, LENGTH = 0x25000...
