Stats
Time: 3 hoursCost: About $85Difficulty: Medium
Tools + Materials
Teddy Ruxpin (make sure the jaw and eye motors still work)ScrewdriverWirecuttersSoldering ironC.H.I.P. computerSparkFun Motor Driver, Dual TB6612FNG3.5 mm audio cable3.7-volt single-cell Li-po battery
Instructions
This article was originally published in the May/June 2016 issue of Popular Science, under the title “Hack a Teddy Bear to Say Anything.”