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...
Hey folks,
I'm trying to modify the SPI Master loop back example into a 4 line SPI Master_Slave program. Whenever I change the Tx_Buffer_lenght from 10 to lsome other numbers...
I have some questions about DTM, can anyone help me ? thanks a lot!
1. I use DUT and nRF DK module to do the test. When nRF DK module enter tx test and DUT enter rx test...
Hi,
I'm using the PCA1040 with the SDK11.0.0. For now I'm trying to communicate with the TWI as the example twi_sensor indicates. The problem comes when I try to do two...
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...
