Get it now on the App store for iOS or Play Store for Android!

WARNING! This game teaches USEFUL SKILLS! Learn resistor values and have fun at the same time!

Mho's Resistance app running on an Apple iPad and iPhone. A blue flame monster is in front.

Complete real circuits & unlock a working electronic instrument - Mho's Resistance makes resistor color codes fun!

App example screens. An LED driver. A resistor color coding game.

Mho is a resistor who needs your help. Set Mho's color bands to the correct values in order to complete each circuit. But be careful, incorrect values will unleash the Blue Smoke Monster - not good!

App example screens, showing the competitive multiplayer resistor game

Or - go head to head with a friend in Versus mode to see who can complete the most values before time runs out!

  • Battle against time & complete circuits in Quest Mode
  • 2-player Versus Mode over Bluetooth
  • Sharpen your skills in Practice Mode w/ value labels & no time limit
  • Groove to an all analog-synth soundtrack
  • Learn a useful skill while playing a game!

"Really helps" 5 star reviews!
Educational and very pretty-looking!.

"Great way to learn the basics"5 star reviews!
Really great animations, and a fun way to memorize resistor color codes!

"Mho is the best!" 5 star reviews!
So cute! And I finally have the resistor rainbow memorized!

"I want mho!" 5 star reviews!
My 8yo really digs Mho's Resistance and now knows resistor values better than I do! Love the graphics, love the music, love the game!

mho's resistance
Mho's Resistance is available for iPhone & iPad on the App Store and for Android devices on the Google Play Store. It's only $0.99 and there's a $0.99 off coupon for the Adafruit store included!

Mho's Resistance logo