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...
Hello Everyone
I'm trying to debug ble_app_beacon project, having the following error when trying to launch the debug session:
Error in final launch sequence Error executing...
Dear Sir:
I have a (BLE + 2.4GHz)Mouse project, But now I had some problmes. Please help deal,
Thank you so much Sir.
a). My program modification base on "nrfready_desktop_2_v3...
Hello all,
Just to note any versions that need saying, I am using
SD 110, V8
The 10.0 SDK, freshly unzipped
The dual bank BLE bootloader, unmodified
Arm...
I was looking at this PA/LNA example: here . I noticed something I'm not sure about, so I was hoping someone could shed some light on this.
In the diagram shown in the...
I've been working on a project, which requires data transmitted through ble to cell phone app. The user could acquire the data from the sensor when he sends a specific string...
Hi
We use the NRF51 in a mesh sensor network. We noticed in a trailer suited for cold chain transport (double metal walls with thermal isolation between) that the radio...
Hi,
I have problem with ble_nus_c.c in SDK v11...
Normal operation is:
Connecting to target 57E19A190FDF
Connected to target
[DB]: Starting discovery of service...
When I used the demo of ble_app_hrs_rscs_relay,I cannot write the bonding information to the flash.
I connect to the board by my phone.I cannot find the information about...
what I am basically trying to do is only allow a single bond and any new bonds disallowed until the user selects and option to allow a new bond and then and only then delete...
If I have 10 slaves and one master in a bluetooth low energy network, and the connection interval for all 10 slaves are set to 7.5ms, how would the master manage this?
...
I intend to use RC oscillator instead of external crystal oscillator .
I modified code :
from
SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);
to
SOFTDEVICE_HANDLER_INIT...
Hi,
I want to identify different kinds of center in a device product. So I have 2 questiones:
1) Can a center (running S120) set its own name?
2) Can a device (running...
HI,ALL
There are such statement in the CORE SPEC 4.2
"
If the Link Layer connection supervision timer reaches 6 * connInterval before
the connection is established...
Hello, i develop with nrf51 recently. There are a lot of examples that helps me, some of them i repeated, now i can make a lot of interested things. I also read this forum...