The new Raspberry Pi B Model B+ is here - Pick one up in the store and check our detailed guide!

Get it now on the App store! WARNING! This game teaches USEFUL SKILLS! Learn resistor values and have fun at the same time!

mho's resistance

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

mho's resistance

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!

mho's resistance

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, iPad mini, & iPod touch devices running iOS 4.3 or higher available now on the App Store. It's only $0.99 and there's a $0.99 off coupon for the Adafruit store included!

Mhosresistance