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Line Follower Robot with OpAmps

Old school robotics with LM358, LDRs, and no microcontroller needed

Build a line follower robot using LM358 OpAmps and LDR sensors without microcontrollers. Complete tutorial with circuit design, PCB files, and assembly instructions for robotics beginners.

ProtoStack Atmega32A Dev Board

Australian engineering excellence with complete microcontroller development kit

Review of ProtoStack Atmega32A Development Board - complete AVR microcontroller kit with 32KB flash, external crystal, and comprehensive peripherals for embedded projects.

AD5204 Digital Potentiometer Breakout Board

Taming 4-channel 8-bit SPI resistance with Arduino and OSH Park PCBs

Design and build an AD5204 digital potentiometer breakout board for Arduino projects. Complete tutorial with Eagle CAD files, SPI communication code, and PCB manufacturing guide.

Terminal Tip: Removing hidden files recursively

Clean up .DS_Store and other hidden files with powerful find command

Learn how to remove hidden files recursively using terminal commands. Efficient methods for cleaning .DS_Store files and other system-generated hidden files across directories.

Raspberry Pi Using Whole SD Card Memory

Expand filesystem to utilize full SD card storage capacity with fdisk and resize2fs

Learn how to expand Raspberry Pi filesystem to use the entire SD card memory. Complete tutorial using fdisk and resize2fs to maximize available storage space on your Pi when Minibian creates small partitions.

Script to organize Dropbox's Camera Upload folder

Automated photo organization with bash scripting magic

Automate Dropbox Camera Upload folder organization with bash script. Sort photos by date, create folder structure, and maintain organized photo library automatically.

Mounting a Filesystem via SSH on OSX Mavericks

Access remote servers as local drives with SSHFS and OSXFuse

Learn how to mount remote filesystems via SSH on macOS Mavericks using SSHFS and OSXFuse. Complete tutorial for secure remote file access and network storage mounting.

Embedding Instagram content on your website

Learn how to embed Instagram photos and content directly on your website

Complete guide to embedding Instagram content on your website using Instagram API and embed codes. Learn how to integrate Instagram photos and posts for enhanced social media presence.

Bartop MAME Cabinet

DIY arcade nostalgia with wood cutting, USB controllers, and retro gaming bliss

Build your own bartop MAME arcade cabinet with 17" LCD, custom wood cutting, and USB controller modification. Complete DIY guide for creating the ultimate retro gaming experience at home.

ATmega8A Development Kit Review

Chinese kit delivers surprising value with ISP programmer and LCD display

Complete review of ATmega8A development kit from China. Includes ISP programmer, 16MHz crystal, LCD display, breadboard, and jumper wires. Great value for embedded development beginners.