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, I have a PC communication interface for a bluetooth device (it's an Arduino with a bluetooth shield). I have bought the new arduino (or genuino) 101 with integrated BLE...
I already know the phone's Bluetooth address, I want to write the address directly into the device, the device - directed broadcast, how do I put the address in the program...
I know most developers follow the Apple guidelines for Connection Parameters. But our device will interact with Android phones, so I was wondering in the interest of power...
Hi All,
Im planing to use NRf51 as a BT Central mode device and to do some simple things (like Immediate Alert control). First i tried things with dongle and Master control...
Hello,
I started with the UART timeslot API but countering some problems.
It will be helpful if I could get any tips or solutions.
I am trying to sample every 2ms and...
Hello
I asked a follow up question on another user's posting on devzone.nordicsemi.com/.../ , but no one seems to respond, so I will try here.
The abovementioned posting...
I've run ble-sniffer_win_1.0.1_1111_Sniffer.exe and pressed CTRL-R, then I get:
Keyboard input error: [Error 2] The system cannot find the file specified..
The log file...
Hello
I am developing an application where the data troughput is very important.
As i understand, the data thoughput is dependent on the connection interval and the number...
Dear developers,
I have a problem with peer manager reporting PM_EVT_ERROR_UNEXPECTED right after it has reported PM_EVT_CONN_SEC_SUCCEEDED.
This is quite a long call...
We all know that PPI can have the same event to trigger other tasks.
But I couldn't find any official document explaining the priorities/timing of those tasks linked to the...
Hi
I am trying to put the nrf52 device to system off state, in order to get minimal current consumption.
When I don't use the soft device, and enter system off state by...
Hi.
I'm using PCA10028, SDK10.0.0, S130.
If i scan again when it is scanning, system goes halt and reset.
So i want to check it's scanning or not before I make it scan...