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Hundreds of projects from beginner to advanced — schematics, code, and videos.
Basic project that reads the digital value given by the reed relay sensor in the presence of a magnetic field in Serial Monitor. Teaches the principle of magnetic detection.
Door open/close detection project with reed relay that lights green LED when the magnet approaches and red LED when it moves away. Teaches how to display status with magnetic sensor.
Basic usage project that sequentially turns on and off the red, green and blue colors of the RGB LED. Teaches common cathode RGB LED control.
A project that creates a soft rainbow effect by gradually transitioning the colors of an RGB LED with analogWrite. Teaches the logic of color mixing and transition animation with PWM.
Project showing numbers from 0 to 9 in sequence on a 7 segment display. It teaches the logic of creating numbers by controlling the segment pins.
Project showing numbers from 0 to 99 with a double digit 7 segment display. Teaches bit operations (bitRead) and one-digit-by-ten digit parsing logic.
Counter project that increases, decreases and resets the number on the 7 segment display with 3 buttons. Teaches boundary control and user interactive counter logic.
Project that measures the ambient temperature with NTC thermistor and displays it in Celsius on I2C LCD screen. It teaches how to calculate temperature from analog value with Steinhart-Hart equation.
Setup project to set the time and date of the DS1302 RTC module and display it on the Serial Monitor. Teaches how to use a real time clock module.
Digital clock project showing time, date and day information read from DS1302 RTC module on I2C LCD screen. Teaches RTC and LCD integration.
Project that shows numbers from 0 to 9999 on a 4-segment 7-segment display with SevSeg library. It teaches multi-digit display logic with multiplexing (scanning) method.
Digital clock project showing hours and minutes with DS1302 RTC module and 4-segment 7-segment display. It combines real-time clock data and segment display.
