Blog

DIY EDTracker Bundle: Build Your Own Head Tracker

Assemble the DIY EDTracker Bundle step by step. Learn what's inside, how to solder and calibrate, and get your head tracker working in minutes.

How to Desolder with Desoldering Wick

Learn how to remove solder easily using desoldering wick. Step-by-step instructions, common mistakes, and practical tips for clean electronics repair.

Soldering Flux vs No Flux: When to Use Each

Learn when to apply soldering flux and when you can skip it. Compare flux paste vs plain solder wire, and see how helping hands improve your results.

N20 Mini DC Motor: Specs and Project Ideas

Learn the key specs of the N20 miniature DC motor and discover practical project ideas for robotics, gearboxes, and small mechanisms.

Mini Solar Cell Projects: Power Small Electronics

Learn how to choose and use a mini solar cell for small electronics. Get decision rules and trade-offs for projects using 5.5V 90mA panels.

How to Program ATmega Chips with a USBTinyISP AVR Programmer

Learn step-by-step how to use a USBTinyISP AVR programmer to program ATmega chips, reflash Arduino bootloaders, and avoid common pitfalls.

Power Projects with a USB to 12V Step-Up Cable

Learn how to use a USB to 2.1mm jack cable with built-in DC-DC step-up converter to power 12V electronics from any USB port. Includes setup tips and c...

Powering Arduino Projects: Battery Options and Wiring Guide

Learn how to choose and wire batteries for Arduino projects. Covers 9V clips, coin cells, and NiMH rechargeables with practical steps.

MicroSD Card Adapter vs SD Card Module: Which to Use?

Compare the MicroSD Card Adapter with Level Shifters and the SD Card Module for Arduino. Learn which suits your project's voltage, size, and logging n...

DS3231 vs DS1307 vs DS1302: Which RTC Module to Pick?

Compare DS3231, DS1307, and DS1302 RTC modules on accuracy, interface, and battery backup to choose the right one for your Raspberry Pi or Arduino pro...

USB to Serial Adapters: FTDI vs TTL Cable for Arduino

Compare the FTDI USB Serial Port Adapter and the USB to RS232 TTL Serial Interface Cable for Arduino programming. Learn the trade-offs in voltage, spe...

Raspberry Pi Zero vs Pi 2/3/3+ Enclosures: Which Fits?

Compare the ABS case for Pi 2/3/3+, the Pi Zero acrylic enclosure, and the stackable acrylic case with fan to find the right Raspberry Pi enclosure fo...