Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and GND to the ground rail. For the data connections, wire SDA to Pin 10, SCK ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

Since I had a spare ESP32 lying around, I tried building a smart dashboard that pulls metrics from the other smart devices in ...

What is the H19 fiber-optic shield? How the platform helps streamline the design process. The custom options offered. OMC's ...

This library is still in early development. It is my intention to overhaul it so that the methods and usage more closely resemble the standard LiquidCrystal library (including inheriting from the ...

The Arduino Mega's PWM pins are digital output pins located on D2 to D13 and D44 to D46, coming to a total of 15. While they function as normal digital pins that can switch a component either ...

Arduino library for the I2C LCD display, typical 20x4 characters ... Furthermore there is an optimization if the pins are in ascending order, as then it is far easier to get the nibble (half bytes) to ...

In this article, I have added three sensors with Arduino UNO and user can choose ... I used the toggle pin here to indicate the motion, so whenever the toggle is turned ON (value is 1) LCD shows the ...

LED_BUILTIN is defined as "13" in pins_arduino.h: #define LED_BUILTIN 13 This ... Alternately, you can find a temporized one with a countdown timer LCD also on PCBWay. In our example, we'll ...

For that connect the D4, D5, D6 and D7 pins from the LCD to the D5, D4, D3 and D2 pins of the Arduino. Here is the actual circuit. It is built as per the connection diagram provided. All the ...