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nRF51822 realistic low latency using Gazell? 0

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...
- latency
- gazell
- nrf51822
1481 views

0 replies

Started over 10 years ago
by gap
Not Answered
HID over GATT (HOGP) and custom services on Android 0

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...
- hid overgatt
- android
- nrf8001
- hogp
- custom service
6730 views

0 replies

Started over 10 years ago
by bledev
Not Answered
Using lib_aci_connect vs. lib_aci_broadcast 0

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...
- nrf8001
548 views

0 replies

Started over 10 years ago
by Mahesh Venkitachalam
Not Answered
printf with redbearlab nrf51822 board 0

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...
- retarget.c printf
- printf
1129 views

0 replies

Started over 10 years ago
by RTR
Not Answered
How to switch between PA and LNA? and how to disable PA/LNA when there isn't transceiver? 0

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...
- nrf51822 pa lna s110 ble
2472 views

0 replies

Started over 10 years ago
by cenuser

Recent in Nordic blog

Beacon Kit - Mistake in Ref_Design_UG_v1.0

Salman

I connected the programming header as described in "nRF6930_Beacon_Ref_Design_UG_v1.0.pdf" 5.5.4 Programming interface. I was trying to program Beacon Kit but failed many times then I compared it with…
- 10 Oct 2014
SD card interfacing

Salman

Hi, I have written SD & SDHC card routine for reading, writing and erasing data from SD card. It used the hardware SPI of nRF51822. NOTE: 1)Define the PINs of SD card first before initialing. 2)Define…
- 10 Oct 2014
How different BLE packet types influence throughput

Stefan Birnir Sverrisson

There are several types of write operations, write request with authorization, write request without authorization and write command. You can see message sequence charts for those messages here and he…
- 9 Oct 2014
Measuring Lithium battery voltage with nRF51

Stefan Birnir Sverrisson

Here is an example of a hardware setup to measure the voltage on a Lithium battery with a voltage divider and a connected capacitor. The Lithium battery typically has a voltage range of 2.7 - 4.2 V and…
- 2 Oct 2014
Sniffer application for OS X

RK

I've put up on Sourceforge, a Mac OSX application which interfaces with the Nordic BTLE sniffer software and has some of the functionality of the Windows application Nordic ships with that software package…
- 1 Oct 2014
Getting started with nRF51 development on Mac OS X

Eirik Midttun

Update: Since this blog was originally written the nrfjprog tool has been ported to OS X (now macOS). This means that the flash programming is much simpler, and it is simply a matter of following the documentation…
- 1 Sep 2014