I made this Small RGB Cube | 384 pixels 🤩

In this video, I take you through the process of creating what might just be the world’s smallest RGB LED Cube, packing 384 LED pixels into an ultra-compact 8 cubic centimeters layout. Join me as I guide you step-by-step, from schematic design to PCB assembly, using the ATmega328 microcontroller and 1x1mm WS2812B addressable RGB LEDs.
I’ll show you how to handle these tiny components, solder them onto the board, and program the LED Cube to display vibrant animations. Along the way, you’ll get insights into PCB design, soldering techniques, and power management for small electronics projects.
Whether you're an electronics enthusiast or a DIY maker, this project is a perfect blend of challenge and creativity. Don’t forget to check out the project files linked below and let me know your thoughts in the comments!

Useful Links:
1. Check out the FREE Altium 365 potential and advantages: https://www.altium365.com/yt/diyguychris
2. JLCPCB (to order PCBs): https://jlcpcb.com/?from=TIP


👉 Old Cube Version:    • How to build Magic RGB LED Cube (with...  
👉 Learn ISP Programming:    • Microcontroller ISP Programming (gett...  
👉 Download Arduino code: https://www.mediafire.com/file/leai1r...
👉 Download GERBER: https://www.mediafire.com/file/i7jd8u...
👉 Cube Assembly aid STL File: https://www.mediafire.com/file/1g0l1z...


Chapter Titles:
0:01 Introduction
0:30 Quick technical details
01:05 Circuit schematic design
02:04 PCB Design and Manufacturing Process
03:08 Pixels assembly
05:10 Pixels inspection
05:40 MCU side Assembly
06:33 Bootloader and coding
07:23 Final test

Needed Parts :
➡️ Electronics Components:
⚡Atmega328p Microcontroller (SMD MLF version)
💡WS2812B-1010 RGB LEDs (384 pieces) : https://www.lcsc.com/product-detail/R...
⚛ 1.27mm SIL Headers (for Charging and ON/Off)
🔋3.7V Lithium Battery : https://www.amazon.com/COOINS-YDXL-Re...
⚡SS14 Sckottky diode
⚡22pF Cermic Capacitors (0402 Package)
⚡P-channel mosfet
⚡Crystal Oscillator (16MHz)

➡️ PCB and Soldering:
💠Custom PCB (ordered from JLCPCB)
💧 Solder Paste : https://www.amazon.com/Chipquik-SMD29...
⚙️PCB Stencil
💧 Flux Remover Solvent : https://www.amazon.com/ChemtronicsES8...
🔥 Hot Plate (or reflow oven) : https://www.amazon.com/Soldering-MINI...

➡️ Tools and Software:
🔬3D Printer : https://amzn.to/3ZaABsx
💿Altium Designer (for circuit design)
💿Arduino IDE :
🖋️Soldering Iron and Solder core wire
🔎Microscope (for inspecting solder joints) : https://amzn.to/3ZaRdAK
🔌USB-C Cable (for programming) : https://amzn.to/4e6gFvl


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Keywords
#diy #arduino #led #ledlights #learning #maker #circuit # #iot #battery #wireless #bluetooth #creative #ideas #PCBDesign #3dprinting