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Maker Advent Calendar 2025

From ITL Wiki

I am working my way through the Maker Advent Calendar

Project Date Video Show Notes Code Component
Day #1 14 Dec Getting Started Getting Started Getting Started Raspberry Pi Pico H
Day #2 15 Dec Let’s Get Blinky! Let’s Get Blinky! Let’s Get Blinky! 5mm Red LED; 5mm Amber LED; 5mm Green LED; 3x 330 ohm resistors
Day #3 16 Dec Bashing Buttons! Bashing Buttons! Bashing Buttons! 3x Tall Tactile Buttons (see JJ002)
Day #4 17 Dec Amazing Analog! Amazing Analog! Amazing Analog! 10k Potentiometer
Day #5 18 Dec Hear my Code! Hear my Code! Hear my Code! Custom pre-wired buzzer
Day #6 19 Dec Looking for Light! Looking for Light! Looking for Light! Photo Transistor w/ 10k Resistor
Day #7 20 Dec Monitoring Motion! Monitoring Motion! Monitoring Motion! Mini PIR Sensor
Day #8 21 Dec Tracking Temps! Tracking Temps! Tracking Temps! Custom waterproof temperature sensor w/ 4.7k resistor
Day #9 22 Dec Full Tilt! Full Tilt! Full Tilt! Tilt sensor/switch
Day #10 23 Dec Breaking Beams! Breaking Beams! Breaking Beams! Custom Break Beam Sensor (emitter and receiver) w/ 10k resistor
Day #11 24 Dec OMG OLED! OMG OLED! OMG OLED! Pre-soldered 0.96" OLED I2C display (128x32)
Day #12 25 Dec RGB LED Strip! RGB LED Strip! RGB LED Strip! NeoPixel LED strip

Projects

My code is here: https://github.com/jj5/advent-2025

Getting Started

Here is my code for Day #1:

Let’s Get Blinky!

Here is my code for Day #2:

Bashing Buttons!

Here is my code for Day #3:

Amazing Analog!

Here is my code for Day #4:

Hear my Code!

Here is my code for Day #5:

Looking for Light!

Here is my code for Day #6:

Monitoring Motion!

Here is my code for Day #7:

Tracking Temps!

Here is my code for Day #8:

Full Tilt!

Here is my code for Day #9:

Breaking Beams!

Here is my code for Day #10:

OMG OLED!

Here is my code for Day #11:

RGB LED Strip!

Here is my code for Day #12: