Hi,
We're looking for a low-latency 2.4GHz solution (not BLE) and the nRF51822 is oft-quoted as providing low latency, but what are the typical ms figures we could achieve...
Hello all,
in my previous question (Switch between applications (multiple services.h)) I got the advice to merge my two services into one service, including a HID over...
I am trying to create an nRF8001 based application that will broadcast battery levels (pipes broadcast, set), and give out temperature data (pipe indicate - TX_ACK) to connected...
Hi,
I'm using redbearlab's nrf51822 board. It is a arduino compatible board and hence it is using 0,1 (mapped to 9 and 11 for nrf51822). How do I make printf print to this...
An external PA/LNA is used to extend range of nRF51822, and S110 is used for BLE, How to switch between PA and LNA? and how to disable PA/LNA when there isn't transceiving...
Hi...
Can anybody help me to run ble_peripheral example (ble_app_hrs for S130). I have build and load the code successfully but cant see the advertisement. But while debugging...
I am working with the nRF8001, and I'd like to create a services.h file that will let me broadcast battery level and as well as allow temperature to be read by a peer.
...
hello i want To use mbed for nrf51 dk. i used this link developer.mbed.org/.../ . i am following steps but i can't copy hex file into bootloader. i got error message "There...
Hi,all
my question is in the title.
i am making a project like NUS (sample in SDK).
i found that during the data transmission Situation，the write without response...
Hello,
I was using Nordic's Master Control Panel for a while to upload firmware to my nrf51822 BLE beacon for a while and now I want to move one step further. I want my...
HI,
In the BLE Spectification, both of the inquire and scan can find out the advertising slave role device.
what's the difference between them?
And Is it true that...
I am trying to emulate the case where a scanned peripheral goes offline before the connection was issued by the user by calling sd_ble_gap_connect() with a completely made...
Hi, Guys,
I have occured a wired thing. I use NRF51822 with softdevice S130 to do a BLE project. I use both spi and twi to get information from sensor(I use spi0 and twi1...
Hi,
In my application I need to keep both time and date so I need a real time clock & calendar (RTCC). I was planning to use on the nRF51 real time counter (RTC) to implement...
Hi.
I'm trying to declare an uint16_t array while programming on the NRF52 Development kit as follows :
uint16_t FinalSignalArray[225000];
However, I keep getting...
I want to read the nrf51 memory, I'm using nrfjprog.exe --memrd 0x0 --n 0x40000 > name.txt
but get something like
0x00000000: 20000C58 00000115 0000012F 00000131 |X....
Hi All,
I need to read the data written on RX characterstics of nrf_uart Service from my board using bluez.
I'm using interactive mode of gatttool with my Nordic sensor...
Hi,
I need to design a small nRF52 board, with a 3cm by 3cm size. I am very new to antenna design, so i have some questions, in order to avoid ruining it. The reference...
I'm trying to write 32bit word on flash memory every 25ms, but when I read the memory using nrfjprog I noticed that it write only 16 words (32 bits), in this code saveToFlash...
1,How do I send a data packet using BLE Peripheral? What API should I call? How should I prep that API? Do I have to care about the format of the data that will be sent, or...
