LiquidCrystal_I2C lcd(0x27, lcdColumns, lcdRows); //Connect Pin SDA, SCL from LCD Display to Pin 21, 22 ON ESP32 #define RXD2 27 //Connect Pin Data to Pin 27 on ESP32 ...
Members can download this article in PDF format. In this design idea, you will learn how to interface two PIC microcontrollers using a wireless 433-MHz RF transmitter/receiver pair to control up to ...
This series of projects explore concepts of radio communications. We use LEDs to generate (very high frequency) radio waves and photo-resistors to take the place of radio antennas. These ideas are ...
The project is designed to send secured message by using a secret code from a computer keyboard connected to the transmitting unit via RF technology. The project helps sending secured message ...
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