In this post we are going to learn how to build a RFID based attendance system using Arduino development board, RC522 RFID reader module and external EEPROM. We will take a brief look at RC522 RFID module, external EEPROM and other circuit modules that makes this proposed RFID attendance system work. RFID card based…
I started this as an academic exercise, but ended up with a very accurate clock. After running for 5 days, it had not lost or gained any time. The main issue with using just an Arduino is that its internal clock speed is not 100% accurate. Hence if you just rely on this then…
In this project we are going to learn how to build an infrared based non-contact thermometer which can be utilized for screening people at schools, offices, shopping malls etc. for abnormal body temperature which could be a sign of contagious diseases. The proposed non-contact thermometer can measure body temperature of a person at forehead…
This instructable video is all about how to monitor the Quality of water, interns of monitoring the level of water, the temperature of the water and its surrounding, the turbidity of the water (how clean the water is) as well as the PH levels of the Water. So this system monitors all of these…
Stars appear to stand still, but wait a few minutes and they won’t be in quite the same place. This means that if you want to take a long-exposure image of the sky with your DSLR you’ll have to either embrace the streaks, or use tracking hardware to compensate for this movement. Naturally, this specialized equipment…
To keep a eye on the current Corona-Virus numbers I created this Programm wich displays the current stats to the Display. More info
Easily pick colors from physical objects with this Arduino based RGB color picker, enabling you to recreate the colors you see in real life objects on your pc or mobile phone. Simply push a button to scan the color of the object using a cheap TCS34725 colour sensor module and you’re given the RGB…
Making a great many things is very easy with Arduino microcontrollers. This Instructable tells you how to create a simple 1-button video game made from a handful of parts and Tinkercad Circuits. It is a side-scrolling jumping game. This serves as a good starting point for creating your own games from simple maker electronics. …
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