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ADC reference 0

Hi, could you please tell me if my assumptions below correct? Measuring a (ratiometric to VCC) analog signal and selecting VDD_1_2_PS as the reference selecting AIN_NO_PS...

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Started over 10 years ago
by Yano
Not Answered
Odd behavior with SOFTDEVICE_HANDLER_INIT w/o Scheduler 0

When I initialize the SoftDevice with SOFTDEVICE_HANDLER_INIT(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, false); // Sets up Crystal Source to 20ppm 32.7628kHz The project I based...
964 views

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Started over 10 years ago
by Locky
Not Answered

API to see undiscoverable mode 0

I am trying to make a product with NRF8002B. I finally have the product prototyped. The user will connect to the device, beep, light up, and track. It will always stay on...

1025 views

0 replies

Started over 10 years ago
by Stavros Tsardounis
Not Answered
How is it possible to make a control flow during burst transfer with nRF24AP2-USB stick ? 0

Please, It seems that "Flow Control" signal is not available on nRF24AP2-USB. EVENT_TRANSFER_TX_START event message appears only one time after the first data packets...
- nrf24ap2-usb chip
1283 views

0 replies

Started over 10 years ago
by Flare77
Not Answered
Suggestions for cheapest Arduino basic real-time RFID localization - distance tracking solution? 0

I am looking for cheapest (up to few hundred USD) and simplest Arduino basic solution to track real-time RFID tags distance (also direction if possible) without additional...
- ble
- arduino
- rfid
- localization
1389 views

0 replies

Started over 10 years ago
by Binyamin

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