Blog

NFC-Badge - Update your badge with your smartphone - Using the ST X-NUCLEO-NFC02A1

bernhardmayer

My first prototype used a ST M24LR-Discovery board where some traces were cut and the M24LR was connected to a Arduino Uno. This was an advanturous construction and not very solid. So I decided to use a ST X-NUCLEO-NFC02A1 (https://www.st.com/content...
- 11 Sep 2019
NFC-Badge - Update your badge with your smartphone - Design data of the HMI shield

bernhardmayer

During the last few days I put together all the design data of the HMI shield I used in this project and uploaded them to my website. The shield is called ArduHMI and all the information can be found on my website: ArduHMI - Graphic HMI fo...
- 29 Jun 2019
NFC-Badge - Update your badge with your smartphone - The right font for the display

bernhardmayer

Choosing the right font for the display is always a difficult task. Especially for small displays there is only a limited number of fonts available and often they come from the display manufacturer and have some restrictions on their library. On the ...
- 23 Jun 2019
Using Disney park tickets/keycards as NFC task triggers on Android phones

Matt

This video tip applies to any cards like this that use NFC, e.g. keycards from hotels, amusement parks, and wristbands from certain events. Just try scanning the card with your phone to see if it's NFC-based. If it is, you'll be able to use a...
- 20 Jun 2019
NFC-Badge - Update your badge with your smartphone - improvements

bernhardmayer

Today I want to give an update on my NFC badge with some improved functions. Unfortunately the code and the video are of low quality as this is work in progress. In my last blog post (NFC-Badge - Update your badge with your smartphone - NDEF and...
- 18 Jun 2019
NFC-Badge - Update your badge with your smartphone - NDEF and app

bernhardmayer

As already mentioned in my last blog post (NFC-Badge - Update your badge with your smartphone - Proof of concept ) the content of the ST M24LR or any NFC tg is usually formatted in the NFC Data Exchange Format (NDEF). I found it very hard to get the ...
- 16 Jun 2019
NFC and The Raspberry Pi

ipv1

NFC is very useful and is easy to use considering the availability of the parts. I made a project with NFC and Raspberry Pi as follows. Like many people, I work in a room with a workbench, lights, fans, Air-Conditioning and bench test equipme...
- 14 Jun 2019
NFC-Badge - Update your badge with your smartphone - Proof of concept

bernhardmayer

Introduction Badges are quite popular but updating their content often requires programming. Although some of them use Bluetooth or WiFi. I want to show that you also can use your smart phone and NFC to update the content. ST M...
- 14 Jun 2019
S.H.E.L.F. V2

milosrasic98

S.H.E.L.F. V2 1. Introduction S.H.E.L.F. V1 V1 Results 2. Plan How will it work? Features 3. Build ESP8266-07 Module Connection for the ESP8266-07 Uploading to ThingSpeak First Serial Test Scale Sensors Connection and Code Testi...
- 13 Jun 2019
LockNFC - front door

Fred27

I said this NFC/keypad lock was going to have a number of uses, and it is. The garage door was the easiest as all I needed to do was simulate a button press. A loftier goal was to make something that fitted my front door. There were a number of rules...
- 9 Jun 2019
NOVSIS: the NFC-based Office Visitor Sign-In System – PART 2 (Unpacking the POC demo)

BigG

Like so many other projects, this one started with someone saying to me “wouldn’t it be great if...” So, I thought the best place to start part 2 of my NOVSIS Proof of Concept (POC) project is with a video demo and then I will unpack the various...
- 6 Jun 2019
Blue Payment, paying for a vend via RFID card

michail

Introduction It was always interested in a device talking with another device, especially when you start seeing responses back. Talking to vending machine using MDB protocol is one of that amazing adventures. My goal is to prototype a simple p...
- 5 Jun 2019
LockNFC - garage door operation

Fred27

So, I have a number of potential locations where my NFC lock might be useful. I decided to start with the easiest - my garage door. Operating a lock is easy if the door is already motorized and I just need to simulate a button press! I did a little i...
- 30 May 2019
NFC-based Office Visitor Sign-In System for the non-iNDEF’ed** – PART 1 (Introduction & Installation)

BigG

** Indeffed (slang): Used to describe a user, account, or IP address that is indefinitely blocked or banned from certain or all actions. 1.0 Introduction We all know the drill. We arrive, smile at the rec...
- 26 May 2019
LockNFC - firmware

Fred27

Microcontroller-based hardware is just a PCB until you have some firmware running on it. Time to get it doing something. I'd already protyped both the capacitive touch keypad and the NFC reader firmware on a development board and I check that they ra...
- 16 May 2019
LockNFC - enclosure

Fred27

NFC RFIDEnter Your Electronics & Design Project for a chance to win a $100 Shopping Cart!Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll It's all very well deciding that the PCB itself will be the front panel fo...
- 16 May 2019
LockNFC - Does the PCB work?

Fred27

NFC RFIDEnter Your Electronics & Design Project for a chance to win a $100 Shopping Cart!Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll So, after waiting for the PCB to arrive from Seed, it was time to populate...
- 28 Apr 2019
IOT and RFID based medicine prescription

nishanchettri

NFC RFIDEnter Your Electronics & Design Project for a chance to win a $100 Shopping Cart!Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll Story behind the project:I believe that a project without a story is stale...
- 27 Apr 2019
LockNFC

Fred27

This project involves restarting an continuing with a project that I put to one side a few months ago. It should eventually be a lock that responds to the NFC tag implanted in my left hand. Or rather, it's the template for a number of locks. Full dis...
- 23 Apr 2019
LockNFC - PCB design

Fred27

NFC RFIDEnter Your Electronics & Design Project for a chance to win a $100 Shopping Cart!Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theme Poll Design requirementsThis PCB design is for my LockNFC project. I wanted an ...
- 23 Apr 2019
NFC antenna tuning without a VNA

Fred27

Recently I started work on a new board. This one will be a front door entry system, so I decided to go with something that could read my NFC implant but also had a numeric keypad for the kids (and anyone else) to use. Not everyone wants to be chipp...
- 7 Dec 2018