Gadgetronicx is an educational website and online community of electronics enthusiasts who share their creations, ideas, and tips and tricks for working with electronics and bringing ideas to life. Founded in April 2012 by Frank Donald and powered by many Enthusiasts around the world, members can learn from and share their projects with readers across…
Tag: electronics
A Beginner’s Guide to Microcontrollers
What do remote controllers, routers, and robots all have in common? Microcontrollers! These days, beginner-friendly microcontrollers are easy to build with and program using just a laptop, a USB cable, and some (free) open-source software. The catch? There are like, 4324302* different microcontrollers and it can be daunting to get started, especially if you’re just…
Raspberry Pi Impact Force Monitor
How much impact can the human body handle? Whether it’s football, rock climbing, or a bicycle accident, knowing when to seek immediate medical attention after a collision is incredibly important, especially if there are no obvious signs of trauma. This tutorial will teach you how to build your very own impact force monitor! Read…
Build an (easy) Floor Piano!
The household floor piano is a dream no more! The Makey Makey microcontroller makes it super easy (and affordable) to build your very own “foot-strument” out of common household materials. Grab a Makey Makey kit, some cardboard, and your musician shoes and let’s get building! Difficulty Level: Easy Estimated Build Time: 60 minutes Cost: $50 (for Makey Makey…
Micro:Bit Puppet “Text Message” System
Intro Nearly all of our wireless communication is done using radio waves*, including phone calls, text messages, and WiFi. With its built-in radio transmitters and receivers, the Micro:Bit microcontroller makes it super easy to build all sorts of projects with radio communication. This particular project is a simple & quick way to send text messages…
Build & Play Robot Mini Golf!
Introduction Create, build, and play an obstacle course for Brush Bots! This is an activity for all ages that teaches the basics of circuits and design thinking while encouraging and inspiring creativity, discovery, and collaboration. Most importantly, it’s super fun! (But seriously though, watch the video it’s adorbs and will make you smile) This tutorial…
Make Custom (& Inexpensive) Circuit Blocks!
Create, build, and play with your very own LEGO-inspired circuit blocks! Explore the basics of electricity and circuits, discover how sensors work and use ’em to design your own experiments, and incorporate upcycled materials to improve on your materials-sourcing & MacGuyver-ing skills! That old gum wrapper? Make it into a resistor or a switch! But…
IoT Pet Monitor!
Keep an eye (er, ear) on your beloved bbies while you are away! This project monitors the volume of sound in your home and if your pet gets too anxious and starts barking or making other loud noises, soothe their sad lil’ soul by turning on music or your own (pre-recorded) voice! This tutorial will…
Make a Sneaky Wearable ‘State Change Switch’!
Secretly change settings for your wearable outfits or use this button as a secret prank trigger! Here’s a quick & easy tutorial on how to build and program a “state change switch.” AKA a button that cycles through different settings. It’s super easy and has tons of practical applications! Read Time: ~ 5 min…
How to Use (and Choose) a Multimeter!
Checking your car battery life, debugging circuits, and finding that pesky short are all super useful functions that can be performed with just one awesome tool: the multimeter! First of all, what the heck is a multimeter?? Excellent setup question! It’s a handheld device with bunch of different electrical meters — hence, multi-meter! Measuring voltage,…










