The World’s Smallest 4x4x4 RGB LED Cube

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https://www.electronics-lab.com/the-worlds-smallest-4x4x4-rgb-led-cube/

HariFun @ instructables.com has build the smallest 4x4x4 RGB LED cude which is less than 1 square inch in dimensions and uses 64 SMD RGB LEDs. The guide goes through the assembly and programming of the cude using an Arduino board. The World’s Smallest 4x4x4 RGB LED Cube – [Link]

How to use a Serial Voice Recognition Module

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https://www.electronics-lab.com/how-to-use-a-serial-voice-recognition-module/

by codebender_cc @ instructables.com: In this tutorial you will learn how to use a voice recognition – serial – module with the Arduino uno board. This module can store up to 15 voice commands. Those are divided into 3 groups, with 5 commands in each group. First we should train the module with voice instructions group […]