Get started with a Fingerprint Sensor Module using Arduino

Today we will see how to use a fingerprint sensor from Adafruit. It’s easy to incorporate into your Arduino projects. How to get started First, hook up all four wires to your favorite solderless breadboard and connect power and ground. Next, hook up the green and white wires to digital pins 2 and 3 on your Arduino board. Once you’ve got your library loaded in the Arduino IDE, open

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How to Print AT Commands with ESP8266 using USB TTL Converter

ESP8266 Wifi module is creating a buzz in the world of IoT. It is cost effective and can do wonders for developers especially the beginners who have just started building IoT projects. In this post, we are going to learn how to upload firmware to ESP8266 (ESP-01) and print AT Commands using a USB TTL converter. There are different ways to

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