2 Stroke Engine

Made a two Stroke engine the show my students how the 3 induction ports work.
Used Neopixels

Youtube:
https://www.youtube.com/watch?v=QjrzcVYxDso&t=34s

Code:
https://github.com/xenaxara/Two-Stroke_Engine

Parts:
Bringsmart DC Gear Motor 12 Volt Reductor Engine High Speed High Torque Reversible 24V DC Reversible Reduction Geared JGB37-3157
12 volt 90 RPM
https://www.aliexpress.com/item/32893309566.html?spm=a2g0s.9042311.0.0.cefe4c4dWvLeFg

POWGE 80 Teeth 2GT Timing Pulley Bore 5/6/6.35/8/10mm Fit Width 6/10mm GT2 Timing Belt 3D Printer 80Teeth 80T GT2 Timing Pulley
1 x 6 mm shaft for encoder
2 x 10 mm shaft for crankshaft
https://www.aliexpress.com/item/32808804964.html?spm=a2g0s.9042311.0.0.cefe4c4dWvLeFg

5PCS aluminum electrolytic capacitor 6.3V 1000UF 10V 1500UF 16V 2200UF 25V 3300UF 35V 50V 400V 4700UF 680UF 35V 1UF 2.2UF 3.3UF
Only need 1 1000UF 6.3 volt for Neopixels and 3 x 470 ohms resistors for signal wire.
https://www.aliexpress.com/item/32889717918.html?spm=a2g0s.9042311.0.0.cefe4c4dWvLeFg

2GT-K Timing Pulley 20Teeth 5/6/6.35/8mm Bore 7/10mm Teeth Width GT2 Synchronou Wheel Fit GT2 Belt Width 7&10mm 3D Printer Parts
Only need 1 for drive motor
https://www.aliexpress.com/item/4000290945745.html?spm=a2g0s.9042311.0.0.cefe4c4dWvLeFg

NBZH sale price 10pcs/ lot The high quality ABEC-5 Z2V2 of deep groove ball bearings 61700Z 6700ZZ 63700ZZ 10154 mm
Need 6 for big end bearings (2 each)
https://www.aliexpress.com/item/1259393926.html?spm=a2g0s.9042311.0.0.cefe4c4dWvLeFg

Addressable LED SK6812 RGBW RGB mini Board RGB + Warm white Neutral White WWA Heatsink 5050 RGB LED pixels 5V similar WS2812B
100 pcs SK6812 RGBW Board
https://www.aliexpress.com/item/32664325219.html?spm=a2g0s.9042311.0.0.27424c4dXMdxo8

Replace L298P Dual Channel DC Motor Driver Shield Expansion Board L298NH Module Driving Module for Arduino UNO R3 MEGA2560 One
https://www.aliexpress.com/item/32832947601.html?spm=a2g0s.9042311.0.0.27424c4dXMdxo8

Arduino Mega 2560
(need the memory)

38mm outer 6mm shaft Contactless 4096 1024ppr 10bit 12bit SSI interface single ture angle measurement absolute rotary encoder
https://www.aliexpress.com/item/32782896414.html?spm=a2g0s.9042311.0.0.27424c4dosZF5R

LED Switch Power Supply Adapter Transformer DC5V 12V 24V 1A 2A 3A 5A 6A 7A 8A 10A For 5V WS2812B APA102 12V 24V led strip light
12-volt 5 amp
https://www.aliexpress.com/item/32868783689.html?spm=a2g0s.9042311.0.0.27424c4dosZF5R

gangbei-0826B Wholesale Pull Type Linear Solenoid Electromagnet JF-0826B DC 6V 12V 24V 350mA Force 20N travel 10mm
12 volts
https://www.aliexpress.com/item/32778584537.html?spm=a2g0s.9042311.0.0.27424c4dmUi8hz

1 2 4 8 channel 5V relay module with optocoupler. Relay Output 1 2 4 8 way relay module In stock For ARDUINO
1 channel
https://www.aliexpress.com/item/32274260444.html?spm=a2g0s.9042311.0.0.27424c4dmUi8hz

42 x 20 x 12 bearings x 6
Belts :
2GT 280 for drive motor
2GT 320 for encoder