Blog

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

bernhardmayer — Wed, 11 Sep 2019 08:25:24 GMT

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...(read more)

NFC-Badge - Update your badge with your smartphone - Design data of the HMI shield

bernhardmayer — Sat, 29 Jun 2019 00:44:01 GMT

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...(read more)

NFC-Badge - Update your badge with your smartphone - The right font for the display

bernhardmayer — Sun, 23 Jun 2019 16:25:33 GMT

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 ...(read more)

Using Disney park tickets/keycards as NFC task triggers on Android phones

Matt — Thu, 20 Jun 2019 11:38:17 GMT

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...(read more)

NFC-Badge - Update your badge with your smartphone - improvements

bernhardmayer — Tue, 18 Jun 2019 00:40:18 GMT

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...(read more)

NFC-Badge - Update your badge with your smartphone - NDEF and app

bernhardmayer — Sun, 16 Jun 2019 08:12:04 GMT

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 ...(read more)

NFC and The Raspberry Pi

ipv1 — Fri, 14 Jun 2019 18:42:00 GMT

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...(read more)

NFC-Badge - Update your badge with your smartphone - Proof of concept

bernhardmayer — Fri, 14 Jun 2019 14:58:00 GMT

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...(read more)

S.H.E.L.F. V2

milosrasic98 — Thu, 13 Jun 2019 22:46:00 GMT

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...(read more)

LockNFC - front door

Fred27 — Sun, 09 Jun 2019 20:15:55 GMT

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...(read more)

NOVSIS: the NFC-based Office Visitor Sign-In System – PART 2 (Unpacking the POC demo)

BigG — Thu, 06 Jun 2019 15:22:29 GMT

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...(read more)

Blue Payment, paying for a vend via RFID card

michail — Wed, 05 Jun 2019 12:50:00 GMT

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...(read more)

LockNFC - garage door operation

Fred27 — Thu, 30 May 2019 19:45:01 GMT

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...(read more)

NFC-based Office Visitor Sign-In System for the non-iNDEF’ed** – PART 1 (Introduction & Installation)

BigG — Sun, 26 May 2019 16:46:01 GMT

** 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...(read more)

LockNFC - firmware

Fred27 — Thu, 16 May 2019 19:37:58 GMT

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...(read more)