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,
We want to develop a wearable product using nRF51822, we found there are 3rd party module mentioned on the Nordic Semiconductor. And there are some development...
Where could i buy the rev 1 of nrf52832 DK? I can't find a place where they specify the revision or the packet variant and the build code. Is there a way to know?
Is it possible for a nRF51822 device running a Gazell stack (as host) to be able to receive RF waves from another device which is not running a Gazel stack?
If yes, then...
Hi, I use S110 to develop a product which will send data to master every 30s. I registered a 30s App timer at RTC1. When this event occurs, I can control the IO pins but cannot...
Hello,
I have a question for a nordic employee:
What is the factory flash state of a nrf52 chip ?
Is there any pre-programmed bootloader ?
With other processor, for...
hi,
I created a SDR/GR based basic BLE dumper. fell free to use and improve it :)
github.com/.../ble_dump
(output to pcap or fifo -> wireshark (btle= (default in...
Hi all,
Is there any example how can I communicate with 51822 device with SD110 on Windows 8.1 desktop? I successfully paired the device but I have no idea where can I...
Hi, I am trying to implement Secure Connection for my application, because using PIN I noticed some problems with the bonding in iOs, in fact using the device manager from...
I've writen a BLE program for a company,they reqire me to certificate the circuit and the program through a Fixed frequency program,what is the hell?Where to get it?
Hello,
[Device: nRF18522 S110 Softdevice 8.0.0 SDK10]
I've referred to this post:
devzone.nordicsemi.com/.../
Does it mean the maximum value is 512 seconds...
hi,For the bluetooth certification, but requires a fixed frequency is 2402 2442 2480 test, could you tell me need how to set up 2442 under the fixed frequency?
I'm trying to make one of the examples in the SDK v9, but I'm stuck on the following error;
L:\NR - nRF firmware\Nordic SDK\V9\examples\ble_peripheral\ble_app_template...
Hi,
I use s110_6.0.0 and sdk_5.2.1 in my old product. I found that I can't write flash sometimes. Timer1 and Timer2 are used, and their interrupt priority level is 1(high_priority...
